Figure 3 - Model 7400 Front Panel Push Buttons
CPU/Power Supply Boards
Figure 4 - Terminal Strip Layout
INSTALLATION
Selecting the Physical Location
Methods of Physical Mounting
Figure 5 - Mounting Dimensio
Directions for Wiring
Figure 6 - Terminal Block Arrangement on Main I/O – Power Supply Board
Figure 7 – Transmitter Wiring to Model 7400
Figure 8 - Wiring of Normally Open Field Contact into Model 7400
General
Display Readings
Visual Indications
Current Loops
Current Loop Outputs
Alarm and Re
Figure 10 - Alarm Set For Increasing or Decreasing Gas Concentrations
Latching Alarms
Energized Relays (Fail Safe)
The following symbols are used in this manual to alert the user of important instrument ope
This symbol is intended to alert the user to the presence of important operating and maintenance
(servicing) instructions.
Shock Hazard – Disconnect or turn off power before servicing this instrument.
Do not open the case when the uni
Notify all personnel that the unit is out of service before removing from service
Unpacking
All QuadScan II Receivers/Controllers are individually packaged. If the optional remote relay an
it will also be packaged with the receiver/controller. If the optional battery back-up unit is purchased, it will be
packaged separately.
rating issues:
t is powered. Do not open the case in a hazardous environment.
d cable is purchased,
Open each box carefully and remove the items. Identify all items shown in
list for completeness. Examine each item for external damage. If there is any damage or if any item is missing, notify
the factory at:
Scott Health & Safety Customer Service
4320 Goldmine Rd. Monroe, NC 28110 USA
Phone: (704)291-8300
For web and email :
www.scotthealthandsafety.com
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Fax: (704)291-8340
Figure 1
and check yo
ur order and packing
Page 7
General Description
The QuadScan II Receiver/Controller provides the electronic interface with the remotely located gas transmitters
(oxygen, or combustible). It also provides a conti
alarm displays, and alarm functions which can initiate corrective actions when any undesirable gas concentration is
detected
The receiver/controller is offered in a unique configuration, p
or 3 channels to be purchased within the 4 channel unit. Only the number of channels purchased will be activated for
monitoring in this unit.
If you wish to activate additional channels when less
to purchase the activation codes.
A NEMA-4X wall mounted enclosure contains the microprocessor controlled electronics, displays, and terminal blocks
used for the power input, transmitter 4-20 mA current loop inputs and outputs, relay contact outputs, and remote relay
outputs.
nuous digital display of each monitored gas concentration, various
roviding a complete four channel unit, but will allow 1, 2,
than 4 are purchased, contact the Scott Health & Safety factory
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Page 8
gures 10 & 11 for Mounting Details &
Model 7400 QUAD-SCAN II
(See Fi
Remote Relay Box P/N 096-2691
Comes with 10 feet of Cable
Wiring Interconnect)
Battery Backup P/N 096-0719
(See Figure 14 for Mounting Details & Wiring
Interconnect)
Figure 1 - Model 7400 QUAD-SCAN II Complete Assembly
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Page 9
Quick Start
1. Install per the physical installation information found in this ma
mounting requirements.
2. The 7400 can be powered with either 100-270VAC or 24VDC. Refer to Electrical drawings for information
about the power input wiring. Wire according to National Electric Code
Do not apply p
transmitters.
3. Connect your gas transmitter(s) to the 7400. Refer to
into your system at this stage
4. Touch the
through 4. Press the
display next to the channel identification number.
5. Follow the menu trees menus [refer
pre-configured for your specific application, refer to “
save your programming and finish press the
ENTER
must be completely programmed before you can proceed to another channel.
Setup
key and this will complete your programming. When programming other channels, each channel
key to enter t
ENTER
ower until you have finished wiring the complete system, including
Figure 7
)
he programming mode. Use the
key once the correct channel is in “Setup” mode. This is seen on the LCD
to “
Setup & Programming
Factory Default Settings
Escape
key until
nual. Refer to Installation drawings for
. (
No relay contacts should be hard wired
Up
or
Down
key to program channels 1
” for complete details]. Unless your unit was
” for factory default values. To
SAVE SETTIN
GS?
is displayed. Press the
Model 7400 Function Keys
6. Connect common relays [refer “Terminal Block Arrangement” figure for connections]. Refer to “
Relay Operation
7. If optional remote relays are to be used, connect per the “Optional Remote Relays” section of this manual.
8. For proble
Scott Health & Safety representative or the Scott Customer Support team.
ms in startup, refer to the “Troubleshooting” section of this manual. Otherwise contact your local
” for further details on relay functionality.
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Alarm and
Page 10
Quick Start Programming Menu Tree
5
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Page 11
System Menu
Touch Enter Key
Version 1.# (1)
Move through options with
UP/Down Key
Adjust Contrast
Inhibit
: None/All
Set Local Relays
Relay: Common Fail
Failsafe: Yes (3)
F1
Relay: Common Warn
Failsafe: Yes/No
W1
Relay: Common Alarm
Failsafe: Yes/No
A1
Relay: Common Horn
Failsafe: No (3)
W1
Press Escape Key then UP key to
advance to next menu
Set Remote Relays
Remote Relay 1 – 8
Move through all 8 relays with UP
key. Press ENTER to adjust.
Failsafe: Yes/No
W1 (4)
Press Enter k
relay 1 - 8
Time:
##:##
Date:
## / ## / ####
(6)
(2)
Units
F2
F3
F4 (4)
W2 W3 W4 (4)
A2 A3
A1
A4 (4)
... W4
ey to step back to
A4 (4)
(5)
Cal Loop Input
Channel Menu
Touch Enter Key
ON/OFF/IHB: ON
Move through options with
UP/Down Key
Sensor
Full Scale:
Tag:
Damping (S):
Zero DB (%FS): 0 – 5
Inhibit(mA):
Fault(mA):
Setup Warning
Warn Set: ###
Warn Reset: ###
Warn Delay: 0 –10 sec.
Warn Hold: 0 – 7200 sec.
Warn Latch: Yes/No
Setup Alarm
Same values available under
Warning
Cal Loop Output
: 4-
: %/PPM / PPB /None
Six character name
20mA (1
###
0 -10
2.0 – 20.0
0.1 – 20.0
(2)
(2)
)
Security Menu
Touch Enter Key
Security Options
Move through options with
UP/Down Key
Change Password
Lock System
Notes:
1. These values are factory set and cannot be adjusted.
2. To access the submenu associated with these parameters, press the ENTER key. To bypass the
parameters, press the UP/DOWN
key to go back to the main menu.
3. The common fail relay can only be programmed as failsafe. The common horn relay can only be
programmed as non-failsafe (otherwise the horn enunciator woul
continue with the programming.
key. Once a submenu value has been programmed, press the ESCAPE
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d always be on). Press the ENTER key to
Page 12
4. The relays can be configured for any configuration desired. W = warn, A = alarm, F = fail and the numbers 1
–
4 designate channel number. & = And logic,
“
Remote Relay Operation” for additional information. Press the ENTER key when the programming is
complete and the UP/DOWN key to go to a different menu.
= Or logic and ( ) are use
d to group channels. Refer to the
5. The SET REMOTE RELAYS menu is only available if this option is phys
controller. Otherwise the menu is not displayed.
6. The CONTRAST menu is selected by pressing the ENTER key and then adjusting the contrast with the
UP/DOWN key.
ically connected to the 7400
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Page 13
Receiver/Controller
General
The QuadScan II Receiver/Controller i
transmitter. The unit has 3 major components:
All setup functions are completely programmable usi
internal alarm horn is mounted within the enclosure providing 85 db at 1 ft.
Four 5A SPDT relays are included which are common to all 4 channels. Relays provide the following:
FAIL
WARN
ALARM Activates on a programmed set point corresponding to an increasing or decreasing gas
s a 4 channel gas receiver designed to operate with any 2, 3, or 4 wire gas
ng the switches located on the display/function assembly. An
Activates on
power loss.
Activates on a programmed set point corresponding to an increasing or decreasing gas
concentration, flame signal or any other analog signal.
concentration, flame signal or any other analog signal.
a failure of the current loop signal from the field device or an internal failure such as
Note:
setpoint when monitor
a decreasing gas concentration application such as oxygen, the alarm set point is set lower (e.g. 16%
v/v) than the warn set point (e.g. 19.5% v/v). Although, the alarm set po
detect rising oxygen concentration and the warn setpoint programmed to detect decreasing oxygen
concentration.
HORN
Programmed to activate on for warn, alarm or both.
An optional remote relay assembly in a NEMA-4X wall mount encl
outputs are required. There are six 5A SPDT and two 5A DPDT relays. These relays can be assigned or zoned to
any input channel.
The Quadscan II receiver controller will not operate with out a source of electri
for short term outages either provide another source of electricity such as a battery backup. An optional battery
backup assembly is also available providing 2.5 amp-hours of DC power to the unit. Factory suppl
Health & Safety P/N 004-0002) is a Sonnenschein Part No. A212/35, 12 volt 2.5 amp hour battery.
Warning: Replace the battery only with the same type and rating.
Alarm set points are typically programmed for a higher gas concentration than the warn
ing an increasing gas concentration, including toxic and combustible gases. For
int can be programmed to
osure can be provided when individual alarm
city. If you require an electricity source
ied battery (Scott
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Page 14
Failure to do so may be dangerous. Dispose of batteries per applicable
Scott Health & Safety or your local Scott authorized distributor.
NEMA-
The enclosure measures 9.32 inches high x 9.19 inches wide x 5.38 inches deep (233 mm x 203 mm x 136 mm). It
provides a watertight, dust tight and corrosion resistant enclosure for outdoor or indoor mounting.
4X Wall Mounted Enclosure
A door covers the digital/function front panel and can open to the left or
right for easy mounting in restricted areas. All displays; gas
concentration,
through the clear opening in the enclosure door. A cover plate is
located at the bottom front area of the enclosure and when it is
removed, access is available for all the terminal strips used for input
an
d output wiring. See Figure 2A
cover plate.
Figure 2- Model 7400 QuadScan II
alarm LEDs, and the function switches, are visible
local, state and federal regulations or contact
for correct installation of bottom
Figure 2A – Enclosure Side View
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Page 15
Display/Function Assembly
The individual visual display of absolute value of the gas c
active channels provides the status of the gas/flame detection system.
Operator intervention and/or automatic alarm corrections can be made from the information displayed by this unit.
Gas Concentrat
of the four.
Individual Channel Status is displayed by a 2 color LED for each active channel:
Channel OK
Current Loop Fault Flashing yellow (flashin
ion is displayed on a LCD in units of PPM, PPB, % and none (flame applications) in any combination
Green
yellow).
oncentrations, alarm status, and channel status for all
g until the reset button is pressed, and then it becomes solid
Channel Inhibited
Individual alarm statuses are displayed for warn and alarm events by a yellow (warn) and re
each active channel. The individual alarm LEDs flash when an alarm condition is detected and remain flashing until
acknowledged by the reset button.
The function section of the unit is used for all programming and setup requirements. Five tactile feel switches are
provided to implement the following functions:
SETUP
the right on the LCD each time the switch is activated.
UP To scroll up through the various channels or programming options
DOWN
ENTER
Flashing yellow/green (an inhibited channel cannot be set to steady color)
d (alarm) colored LED for
To activate programming entry to the system. This also moves the alphanumeric selection one position to
.
To scroll down through the various channels or programming options.
To enter the required programmed option selected from the UP or DOWN switches.
ESCAPE
eventually return to the gas concentration display.
To return to a prev
ious menu or selection each time the switch is activated. This will
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Page 16
NOTE: During the programming mode, if a switch is not activated for 20 minutes, the display automatically returns to
the gas concent
ration display and all previous programming will be lost.
Figure 3 - Model 7400 Front Panel Push Buttons
CPU/Power Supply Boards
The power supply board is located on the inside back surface of the enclosure. The CPU/display board is located
directl
y behind the display/function panel. They are connected together via a ribbon cable.
The CPU board is used to store the system configuration, operation data and all parameters entered from the function
switches on the display/function assembly.
All inform
allows all information to remain stored during a power disconnect.
The power supply board accepts AC and DC power inputs to the system and supplies the va
and the transmitter loops. The system will operate on any AC voltage between 90 to 280 VAC, 50/60 Hz. or DC
voltage between 10 to 30 VDC (nominal 24 VDC). When a battery backup system is connected to the unit and if the
AC power
There are 4 common relays located on the power supply board providing SPDT 5A contacts. The warn and alarm
relays can be programmed for normally energized (fail safe) or normally de-energized operation as well as
latching/non-latching. The fail relay operates in a normally energized (failsafe) mode only. The horn relay operates in
a normally de-energized mode only.
ation is stored in non–volatile electronically erasable programmable read only memory (EEPROM), which
should fail, the system will automatically switch over to DC power without interruption.
rious circuit requirements
When any of the following conditions exist, the relay
Fail – When the 4-20 mA loop from the transmitter falls to the programmed fault level.
Warn – When a gas concentration exceeds a pre- set programmed level (set point), this is normally not a
hazardous condition. When this happen,
monitored.
Alarm – When a gas concentration exceeds a pre-set programmed level (set point) which is set higher or lower
for oxygen monitoring than the warn relay. When this happens,
Horn – This relay provides a contact for a remote horn and will change state on either/or warn or alarm condition.
The local buzzer will also activate. The horn relay will de-energize (turn off) once the silence/rese
pushed
EVEN WHEN A WARN/ALARM EVENT IS STILL OCCURRING.
contacts change state:
the increasing or decreasing gas level concentration needs to be closely
corrective action should take place.
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t button is
Page 17
Terminal blocks are provided for the following input and output requirements:
TB1 – 2, 3, or 4 wire 4 – 20 mA inputs for Channels 1 and 2
TB2 – 2, 3, or 4 wire 4 – 20 mA inputs for Cha
TB3 – AC power input
TB4 – Battery backup input
TB5 – 2 wire 4 – 20 mA outputs for 4 channels
TB6 – Remote relay outputs for 8 relays
TB7 – Contact outputs for fail, warn, alarm, and horn relays provide normally closed (NC), common (C) and
no
rmally open (NO) contacts for customer use.
WARNING
SHOCK
HAZARD:
RISK OF ELECTRICAL
SHOCK- DISCONNECT
OR TURN OFF POWER
BEFORE SERVICING
THIS EQUIPMENT.
nnels 3 and 4
Figure 4 - Terminal Strip Layout
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Page 18
Installation
The installation information is presented in three sections:
Selecting the appropriate physical location
Methods of physical mounting
Directions for wiring
N
ote: Remote relay installation is covered in a separate section.
Selecting the Physical Location
The specific location for the receiver/controller is the responsibility of the user.
Use the following guideline to determine the appropriate location for th
Do not exceed the temperature range of -13º F to 122º F (-25º C to 50º C)
Must be located in non-hazardous areas
Should avoid extreme vibration, dampness and temperature variations
Avoid direct sunlight or provide a sun screen
Should have easy vi
sibility and access for the operator
e unit:
Must allow sufficient clearance for wiring, maintenance, set up and programming
WARNING
reading may be low resulting in
Met
hods of Physical Mounting
The enclosure dimensions are 9.3 inches high x 9.2 inches wide x 5.4 inches deep and weighs 4 lbs. (237mm H x
233mm W x 137mm D and 1.75 Kg) Refer to
Locate the 6
the following steps before moving to the job site. The display/function assembly and bottom front cover plate will need
to be removed from the base
power hasn’t been wired in yet.
connector.
1. The display/function assembly can be removed
mounting holes at the desired location and drill for the proper bolt size. It may be advisable to perform
located on the
: If the equipment is not installed as prescribed by the manufacturer, the accuracy of the
Figure 5
enclosure to access the mounting holes. Unless this is an instrument relocation, the
Be sure power is removed from the unit before disconnecting the flat ribbon
right side,
closest to the back of the enclosure.
for recommended clearances and mounting hole locations.
by inserting a small blade screwdriver into the 3/8 "long slot
2. Insert the screwdriver into the slot and lever it outwards, dislodging the hinged section of the base enclosure.
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Page 19
3. Move t
4. Tilt the assembly away from the base enclosure and unplug the ribbon cable from the display circuit board.
5. On the
Use the following steps to attach the assembly to the base:
1. Position the display assembly over the base.
2. On the left side, move the hinge section out from the assembl
3. Push the top of the hinge section in towards the side of the assembly, locking the left side to the base.
he hinged section away from the side of the enclosure, disengaging it from the base.
Power must be off before removing ribbon cable.
left side, follow steps 1 – 3. The assembly will then lift clear of the base.
Caution: All circuit board components are now exposed. Extreme care must be taken not to
damage these components.
Using #8 mounting screws or bolts, mount the enclosure to
mounting holes in the enclosure.
the wall or other suitable structure via the 6
y and make sure it has engaged the hinge rod.
4. Pull the right side of the assembly away from the base and reconnect the ribbon cable.
5. On th
Note:
or conduits when mounting the enclosure. Use all NEMA-4X rated comp
rating of the enclosure.
e right side, follow steps 2 – 4 to complete closing the assembly to the base.
The bottom of the enclosure is pre-drilled for cable entry. Clearance should be allowed for the cables
onents for cable entry to maintain the
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Page 20
Figure 5 - Mounting Dimensions of Model 7400
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Page 21
Directions for Wiring
Remove the cover plate located at the front bottom of the enclosure; this will expose all terminal blocks. The
–
power supply board is labeled with the appropriate function and wire designation to implement correct wire hook up.
Refer to
holes in the
Incoming AC power to Termina
or circuit breaker and is to meet all requirements of applicable local and state electrical codes. The power switch
and/or circuit breaker are to have proper electrical r
switch/circuit breaker in close proximity to the 7400 Receiver. Power ON is to be so designated with an “I” and power
OFF with an “O”. Wiring from the power source to the 7400 receiver is to be service rated in accordance with local
and state electrical codes.
Refer to
and Controller.
Figure 6
Figure 7
for the terminal block layout. Route the power, ground, relay and signal wires through the entry
bottom of the enclosure. Note: Power, grounding and relay wiring must be separated from signal wiring.
CAUTION: Common relay contacts and optional remote relay contacts to be wired to external
devices should not be connected at this time. Programming must
are connected.
relays to activate. If alarm by pass systems are in place and can be activated, this caution can be
ignored.
for the current loop wiring from transmitter to Model 7400 Quad Scan II.- Four Channel Receiver
be completed before wires
Connecting the wires before programming is complete, may cause alarms and
l Block TB3 (See
Figure 6
) is to be connected from a certified/approved power switch
atings to operate as a mains disconnect device. Locate the power
main I/O
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Page 22
Figure 6 - Terminal Block Arrang
ement on Main I/O – Power Supply Board
CAUTION: All relay contacts are rated 5A Resistive Load. Any in-rush current above this value
can cause damage to the unit
Dry Contact Input Wiring
Dry-contact inp
smoke or fire detectors.
uts can be applied into the model 7400 analog input channel. This can be done, for example, for
Figure 8
illustrates how to wire a normally open dry contact into the analog input.
Figure 7 – Transmitter Wiring to Model 7400
.
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Page 23
IMPORTANT: This application requires 24VDC +2
case when the AC is used to power the 7400.
values significantly different than 24VDC.
To use this application, the full scale range i
approximately 100% of scale when the field contacts operate. Connect resistors and relay as in the figure.
s set to 0 – 100%. The reading will be 0 with no alarm condition and
% to be present between +24 and COM as is typically the
Operating the 7400 off of battery backup could provide voltage
Figure 8 - Wiring of Normally Open
Field Contact into Model 7400
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Page 24
Figure 9 - Battery Backup (P/N 096-0719)
Outline & Interconnection Wiring
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Page 25
System Operation
General
The QuadScan II allows up to 4 inputs of 0/4 - 20 mA and converts these inputs to digital displays on a LCD. An input
cu
rrent of 4 mA corresponds to a display of 0.00, and an input current of 20 mA corresponds to the programmed full
scale digital display. Displays are checked against programmed alarm levels (set points) to illuminate LEDs, activate
relays, and sound the in
current loops.
Display Readings
The LCD is capable of displaying digital ranges from 000 to 1999. A decimal point may appear in the digital display,
which is set aut
digital ranges are shown below.
omatically by the programmed channel full-scale display. Possible full-scale displays with respective
Full Scale
1.00 – 9.99
10.0 – 99.9
100 –
1999
ternal horn. The input current loops are also used to generate isolated 4 - 20 mA output
Decimal Precision
2 digits
1 digit
0 digits
-
The decimal point is fixed and does not change once set.
The LCD may be programmed for one of the three gas concentration units or none at all.
% Percent
PPM Parts Per Million
PPB Parts Per Billion
none
Contrast may be set for the LCD during setup and programming, which may provide a clearer view of the digital
display from various angles.
The LCD can be programmed with up to a maximum of six (6) alphanumeric characters to display specific customer
information such as transmitter location, area identification etc.
Visual Indications (LEDs)
The visual indications located on the digital/function assembly are divided into two distinct sections; channel status
and alarm status. These sections are l
--
ocated just below the LCD.
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Page 26
Channel Status
The channel status essentially provides a summary of the health of each active channel. Four LEDs are used,
one for each of the 4 channels. Each LED provides 3 functions:
Channel OK - Green
Channel in Fail - F
Channel Inhibited - Flashing yellow/green
Alarm Status
Each channel has 2 LEDs, warn (yellow), for low alarm status and alarm (red)
for high alarm status. The operation of these LEDs are contro
indication (gas concentration ) and the alarm settings(set points). During normal
operation these LEDs are not illuminated, when an alarm condition is detected,
its respective LED will illuminate in a flashing mode.
The warn LED can be
be illuminated at the same time, depending on the level of the gas concentration
detected. The LEDs will remain flashing until the alarm condition has passed or
until the alarm reset pushbutton is
pressed, the LEDs will remain illuminated but not flashing. If the alarm is programmed as latching, the LED will
extinguish only after pressing the alarm reset when alarm condi
point). Warn represents the first stage of alarm while alarm represents a more serious event.
illuminated by itself or both the warn and alarm LEDs can
pressed. If the alarm condition is still present after the alarm reset has been
lashing yellow, (solid yellow when reset button is pressed)
lled by the display
tions are not present (above or below the reset
Current Loops
During factory calibration, each current loop is exposed to a precise 4.00mA and 20.00mA input sig
stores as digital values in EEPROM. These values are then used to determine the unknown input current during
normal operation. The computed mA input value is then used for computing the digital display, where 4mA is
equivalent to 0.00, an
nal which the CPU
d 20.00mA is equivalent to the programmed full-scale display.
WARNING
the programmable fault level. The factory default level is 3.5mA but can be pr
Applications such as oxygen deficiency monitoring must have the FAULT level programmed below 4 mA.
When the input signal reaches the fault level, the relays are turned off after the alarm reset button is pressed.
Therefore sett
: In normal operation the 4
ing the alarm level below 4mA (0.0% v/v O2) will prevent the 7400 from shutting off the warn and
alarm relays accidentally.
-20mA input current loop is checked for a signal that falls down to or below
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ogrammed as low as 1.0mA.
Page 27
Oxygen applications monitoring both increasing AND decreasing oxygen
concentration must have the INHIBIT level programmed below 4
signal reaches the inhibit level, the relays are turned off. Therefore setting the alarm level
below 4mA (0.0% v/v O2) will prevent the 7400 from shutting off the warn and alarm relays
accidentally.
mA.
When the input
Current Loop Outputs
Each channel
following conditions:
Alarm inhibit:
Channel Off:
Input Under range (below 4mA):
Internal Faults:
provides a 2 wire isolated current loop output which follows the current loop input, except during the
C
Alarm and Relay Operation
When an increasing or decreasing toxic, explosive, or oxygen deficient gas condition or flame is detected, the
QuadScan II provides the means to alert to this potential ha
associated with toxic or combustible gas atmospheres, while decreasing concentrations are associated with oxygen
deficient atmospheres.
An alarm due to an increasing concentration is activated (changes sta
above the set point and is inactive when the digital indication is at or below the reset point. Flame detectors provided
by Scott Health & Safety provide an increased output analog signal when a flame is
Current loop output goes to programmed inhibit level.
Current loop output goes to programmed inhibit
Current loop output follows the current loop input until it reaches the
programmed fault level. At that stage, the value remains at the fault level no matter how
far down the current input goes.
urrent loop output goes to the programmed fault mA level.
level.
zard. An increasing gas concentration is normally
te) when the displayed digital indication is at or
detected.
An alarm due to a decreasing concentration is activated (changes state) when the digital indication is at or below the
set point and inactive when the digital indication is at or above the reset point.
Protection is provided by the activation (ch
devices such as deluge systems, shut down systems, horns, beacons, etc. Two common relays (warn and alarm)
each with 5A SPDT contacts provide this interface. An optional relay assemb
can be configured for any channel.
Set Point - A programmed numerical value that is compared to the actual gas concentration or percentage of full
scale. When the concentration is equal to this numerical value, the associated relay activates (changes state)
immediately. (See Set Delay).
Set Delay
concentration is established at or above the set point (toxic/ co
point (oxygen deficient applications) for that specific programmed period of time.
(Off Time) - A delayed relay activation can be programmed for a specific time delay until a constant gas
ange of state) of alarm relays, which can be used to activate protective
mbustible or flame applications) or at or below the set
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ly provides eight additional relays that
Page 28
This timed delay can prevent nuisance alarms that may occur due to such things as lightening storms, etc. The off
tim
until the time expires.
e delay can be programmed for up to 10 seconds, and once activated the timer is decremented once a second
If the channel is not inhibited (channel status LED flashing),
the associated relay(s) will be affected (non-energized
relays
will be energized, and energized relays will be de
energized). Timer activation can be set to 0 at which time
relay activation will be immediate as described under Set
Point.
Reset Point - A programmed numerical value, which is
compared to the actual ga
concentration is equal to this numerical value, the
associated relay de-activates (changes state) immediately
(See Reset Delay). This is sometimes referred to as
hysteresis.
s concentration. When the
-
Reset Delay
be programmed for a specific time delay to provide
additional on time for exhaust fans or other corrective
devices.
The on time delay can be programmed for up to 7200
seconds (2 hours) and once activated the timer is
decremented once a second until th
When the reset timer has expired, the alarm(s) are
deactivated and the channel warn and alarm LEDs are
turned off, unless the alarm(s) are programmed for latching.
Latching alarms require depressing the alarm reset in order
to deactivate t
while the reset timer is in the process of counting down will
automatically expire the timer. The alarm will be
deactivated. Timer activation can be set to zero (0)
disabling this feature.
(On Time) - A delayed relay de-activation
e time expires.
he alarm. Pressing the alarm reset button
can
Figure 10 - Alar
m Set For Increasing or Decreasing Gas Concentrations
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Page 29
Latching Alarms
Latching alarms describe the behavior of the software emulating a self latching relay. The coil is energized through
one of its own contacts, thereby holding itself energized. This typ
circuit for the relay to be de-energized. This is the function of the alarm reset button.
energized. This describes a non-failsafe relay. When an alarm relay is programmed to be fail
its coil remains energized in normal, no alarm condition, and de-energizes during an alarm. This
permits the relay contacts to be used to detect power failures as well as their assigned function.
Safety Suggestion!
relays, failsafe, so that power failures may be sensed. A separate power source is required for the
alarm devices, e.g. horns & lights, if used to detect power failures.
e of relay requires an interruption in the latching
This feature is implemented in software for alarms warn and alarms programmed with the latching
option. Once an
state even though the original alarm conditions have returned to normal. The LED and relay(s) will
not be returned to normal until the alarm condition has subsided and the alarm reset button has
been pressed.
Energized Relays (Fail Safe)
Normally, an alarm relay will remain de-energized until an alarm occurs, at which time the coil is
alarm has occurred, the associated LED and relay(s) will be held in their alarm
It is a safe practice to make all
optional remote relays programmed as fault
safe,
The common fault relay is energized (fai
The warn and alarm relays by factory default are set for de-energized operation but can be programmed otherwise.
Note: Any relay, programmed as energized (fail safe), will have contact operation reversed to the te
strip labeling. All labeled normally open (NO) contacts will operate as normally closed (NC) and all labeled
(NC) contacts will operate as (NO).
Common Alarm Relays
There are four SPDT common alarm relays located on the CPU/power supply board.
Faul
t Relay Activated when any channel fault is detected.
Warn Relay Typically activated when any channel low alarm set point is exceeded. This relay can be
programmed to activate off any one channel or group of channels for either warn and/or
alarm level.
A
larm Relay Typically activated when any channel high alarm set point is exceeded. This can be
programmed to activate off any one channel or group of channels for either warn and/or
alarm level.
Horn Relay This relay can be programmed to activate off any
warn and/or alarm level.
lsafe) and cannot be programmed otherwise
rminal
one channel or group of channels for either
24
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Page 30
All relay contacts are rated 5 A
250VAC.
The warn and alarm relays can be programmed for
energized (failsafe) or de-energized (non-failsafe). This
is done in the SYS
latching operation is programmed for each channel
input. This is done in the CHANNEL MENU. When
programmed for latching operation, the reset button
must be depressed to release the relay from this
condition, but will only rel
condition has passed. It is possible to have one or more
channels programmed as latching and one or more
programmed as non-latching. When this happens, if
channel inputs from both groups go into alarm/warn
then the latching pro
non-latching program.
Different corrective actions are normally required when
sensor/transmitters are located in dissimilar areas. Set
points could differ for the gases being monitored,
therefore, the common relays will not provide the
required results when this situation occurs. However
Scott Health & Safety has anticipated such situations
and can provide an optional remote relay assembly,
allowing alternative alarm combinations.
TEM MENU. The latching or non
gram takes precedence over the
Resistive
ease the relay if the alarm
24 VDC
-
-
Fail Relay
The common fail relay is provid
the energized state (failsafe). The remote relay
assembly allows for a relay to be configured as a non
failsafe fault output. There are no set or reset timers
associated with fail alarms. When a fault is detected,
fail alarms are ac
conditions are cleared, fail alarms are immediately de
activated.
When a fault condition is detected, the channel status
LED will change from a solid green to a flashing
yellow/green. It turns solid yellow if acknowled
state from energized to de-energized.
If a channel is in a warn or a warn and alarm condition when a fault occurs on that channel, Table 1 defines the
relay(s) state when in a latched or
ed only to be used in
-
Table 1 – Relay States
tivated immediately. When the fault
-
ged by pressing the reset button.) The common fail relay will change
unlatched programmed mode.
(when in a Latched or Unlatched
programmed mode)
25
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Page 31
By latching the existing alarm state, safety lights, horns and fans under control of the warn and alarm relays, they
continue to operate, even if the current loop has shorted or opened, or the transmitter has ceased to operate.
When an operator has determined that conditions are actually safe, the alarm reset may be pressed to de-activate
alarm LEDs, and warn and alarm relays on that channel. This can only be determined after the fault has been
corrected, as the channel displ
shorts or opens occurring on the current loop input will not cause false alarms. This works only if the short or open
causes the current loop input to drop below the pr
loop output drives the programmed fault mA level.
ay indicates –24 while the fault condition exists. By preventing new alarms, accidental
ogrammed mA fault level. During any fault conditions, the current
Horn and Horn Relay
An internal horn will sound when a warn or alarm condition exists IF THE HORN RELAY WAS PROGRAMMED FOR
THIS OPERATION.
the CPU/power supply board will change state. Pressing the alarm reset button, regardless of the gas condition,
silences the internal horn and changes the state of t
alarm condition subsides and then reoccurs, or a new alarm occurs.
Note: The horn and horn relay will not be active for an inhibited channel.
This programming is done in the SYSTEM MENU. At the same time, the horn relay located on
Inhibiting Alarms
All alarm relays, warn,
individually. There are several methods for inhibiting alarms:
Power On Reset-A timed inhibit mode of 65 seconds is initiated when the unit is first powered on
sensors to stabilize and prevent false alarms.
Reprogrammed Channel-The channel enters a timed inhibit period of 35 seconds upon exiting the
programming routine. The process of selecting and programming a channel automatically provides an in
condition when the channel is programmed
alarms for improperly configured changes. Note that alarms are not processed on a channel being programmed
and that the channel’s relays remain
alarm and fail for an entire channel can be inhibited, but it is not possible to inhibit alarms
he relay. The horn and horn relay will not activate again until the
. This permits
hibit
“ON”
from the Channel Menu. This provides immunity against false
in their current state until exiting the programming routine.
Programmed Channel Inhibit-A channel may be permanently programmed into an inhibit mode for an indefinite
period when the
even when power is removed and then restored. This is provided for performing maintenance on a specific
channel. Note: The associated remote relays will also be inhibited for this specific channel.
System Inhibit-All channels can be
Menu. This is provided for performing maintenance on the total system. Note: All remote relays are inhibited
when this selection is made.
“IHB”
is selected from the Channel Menu. Once programmed, the channel w
inhibited at one time by programming the
26
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“ALL”
ill remain inhibited
selection from the System
Page 32
Current Loop Input-A channel is inhibited when the current loop input is equal to the programmed inhibit level
(factory default is 3.6mA). The channel inhibit is immediately removed when the current loop input is outside the
tolerance of ±0.25mA.
Sensor Damping Constant
Provides a damping time con
of time it will take the unit to reach 63% of its final value when a step change occurs to a known concentration of gas.
The time to reach 95% of final value may be estim
time constant, the more unstable the reading may be.
Zero DB
Provides a dead band programmable from 0 to 5 % of full scale for a specific channel. The percentage of full scale
selected wi
ll not allow the “0” display (and 4mA output) to change until the selected percentage has been exceeded.
stant which allows the program selection from 0 to 10 seconds. Damping is the amount
ated by multiplying this setting by 3. Note: the lower the damping
27
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Page 33
Setup and Programming
Power Up
When power is applied to the QuadScan II the following LCD displays are shown, also the internal horn sounds for 2
seconds:
¦ ¦ ¦ ¦ ¦ ¦ ¦
¦ ¦ ¦ ¦ ¦ ¦ ¦
Shown for 2 seconds
Blank for 3 seconds
MODEL: 7400
VERSION *
Shown for 5 seconds
* Current Software Version will be displayed.
0
% LEL
0
% LEL
0
% LEL
0
% LEL
Active Default Gas Concentrations
All channels are inhibited for 65 seconds at power up, this includes all alarm LEDs, and
LEDs flash yellow and green while in the inhibit mode. After the 65 seconds times out the alarm LEDs and relays
become active. The channel status LEDs turns to a solid green. If an alarm condition exists at this time, the alarm
r
elays will change state and the internal horn will sound. Push the silence pushbutton, to silence the horn. Relay
contact wiring should not be connected at this time, therefore any external devices will not be effected.
The function switches shown below a
SETUP:
right in the programming of an alpha/numeric string.
UP/DOWN:
menus or menu options.
This key is used to enter into the programming mode. It is also used to move one position to the
These keys are used to change a value in an alpha
re used to program the instrument.
/numeric string or to step through the various
relays. The channel status
28
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Page 34
ENTER:
accepts a value and steps you back out of the programming of that particular menu.
ESC
eventually take you out of the programming mode and allow you to save (or not save) the programming.
SILENCE/RESET:
resets any latched relays and causes flashing fault, warn or alarm LEDs to go to steady state. Finally, in the
programming of an alpha/numeric string, this key will delete a character. The only exception is the
character in the string.
This key is used to enter in a particular menu to use the UP/DOWN keys. The ENTER key also
APE:
This key is used to step back one menu level. Pressing the ESCAPE key repeatedly will
This key is used to silence the local horn as w
ell as deactivate the horn relay. It also
very first
29
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Page 35
Programming Setup
The following Default Display is the starting point for
the initial system programming
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Pr
ess the
Press the
Channel 1 * SETUP *.
DOWN
DOWN
button.
button to return to
0 % LEL
0 % LEL
* SETUP *
0 % LEL
Press the
The following Display is shown for 2 seconds.
After the 2 seco
following Display is shown. NOTE: The
shaded area on the LCD denotes a
Display
SETUP
SYSTEM UNLOCKED
that requires
button to proceed.
0 % LEL
0 % LEL
0 % LEL
nds have timed out, the
Action
* SETUP *
0 % LEL
0 % LEL
0 % LEL
.
Flashing
0 % LEL
0 % LEL
0 % LEL
* SETUP *
Channel 1
sequences, all other channels are programmed in the
same manner.
Press
will be used for all programming
* SETUP *
0 % LEL
0 % LEL
0 % LEL
ENTER to move to the programming menus.
Push the UP or
channel. Press the
Press the
DOWN
DOWN
button.
button to scroll through each
DOWN
button.
0 % LEL
* SETUP *
0 % LEL
0 % LEL
30
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Page 36
SECU
After pressing
Note: Channel is now in the Inhibit mode.
LED is flashing yellow and green.
Press the UP or DOWN
function. Press the
RITY MENU
ENTER,
1
the following Display appears.
S
button to scroll through each
DOWN
ECURITY MENU
0 % LEL
0 % LEL
0 % LEL
button.
SYSTEM MENU
Press the
2
DOWN
but
ton.
0 % LEL
0 % LEL
0 % LEL
Press the
DOWN
4
Press the
button.
SECURITY MENU
0 % LEL
0 % LEL
0 % LEL
ENTER
button
.
SECURITY OPTS
5
0 % LEL
0 % LEL
0 % LEL
Press the UP or DOWN
through each function. Press the
button.
button to scroll
LOCK SYSTEM
6
0 % LEL
0 % LEL
0 % LEL
DOWN
3
CHANNEL MENU
0 % LEL
0 % LEL
0 % LEL
NOTE:
the
MENU,
Display
Pressing the
previous menu, therefor
ESCAPE
Channel Display.
The
to a previous function to make changes without
loosing all previous programming selections
From any programming point or function within
SECURITY MENU, SYSTEM MENU
you can revert back to the
by pr
ess
ing
ESCAPE.
ESCAPE
a number of times to reach the
ESCAPE
mode provides an easy means to revert
button always reverts to the
e, you may need to select
Active Channel
or
CHANNEL
Active
Press the
7
Press the
8
DOWN
DOWN
button.
CHANGE PSWD
0 % LEL
0 % LEL
0 % LEL
button.
LOCK SYSTEM
0 % LEL
0 % LEL
0 % LEL
31
of 116
Page 37
Press the
9
Press the UP or DOWN button to scroll
through numbers from
select a code number.
with a code 0000 displayed, the unit will report
NOT ACCEPTED and place you back in the
Security OPTS menu. A number from 0001
9999 must be entered if you wish
system.
use
factory.
ENTER
Remember this number for later
. If you forget your password, contact the
button.
ENTER CODE 0000
0 % LEL
0 % LEL
0 % LEL
0000 to 9999 to
If you press
to lock the
ENTER
-
Push the UP or
through the menu. Push the UP button.
13
To change the
ENTER
button.
DOWN
buttons to scroll
CHANGE PSWD
0 % LEL
0 % LEL
0 % LEL
PASSWORD
, press the
ENTER OLD: 0000
14
0 % LEL
0 % LEL
0 % LEL
Push the UP or
old number. Press the
displayed which is an incorrect number.
DOWN
buttons to select your
DOWN
but
ton, 9999 is
Press the UP button.
10
Press the
shown for 2 seconds.
ENTER
11
After the 2 seconds have timed out, this
display is shown.
12
ENTER CODE 0001
0 % LEL
0 % LEL
0 % LEL
button. This display is
SYSTEM LOCKED
0 % LEL
0 % LEL
0 % LEL
SECURITY OPTS
0 % LEL
0 % LEL
0 % LEL
ENTER OLD
15
Press the
shown for 2 seconds.
ENTER
button. This display is
INCORRECT
0 % LEL
0 % LEL
0 % LEL
: 9999
0 % LEL
16
0 % LEL
0 % LEL
After the 2 seconds have timed out, this
display is shown.
ENTER OLD: 0000
17
0 % LEL
0 % LEL
0 % LEL
32
of 116
Page 38
Press the UP button and 0001 is displayed.
ENTER OLD: 0001
18
Press the
shown for 2 seconds.
19
After the 2 seconds have timed out, this
display is shown.
ENTER
0 % LEL
0 % LEL
0 % LEL
button. This display is
CORRECT
0 % LEL
0 % LEL
0 % LEL
After the 2 seconds have timed out, this display is
shown.
SECURITY OPTS
23
Press UP or
SECURITY OPTS MENU.
button.
24
Press the UP button.
DOWN
0 % LEL
0 % LEL
0 % LEL
buttons to scroll the
CHANGE PSWD
0 % LEL
0 % LEL
0 % LEL
Press the
UP
ENTER NEW: 0000
20
Press the UP button and 0001will appear.
Press the
21
Press the UP button ag
Press the
shown for 2 seconds.
22
ENTER
ENTER
0 % LEL
0 % LEL
0 % LEL
button.
RE
button
PSWD CHANGED
- ENTER: 0000
0 % LEL
0 % LEL
0 % LEL
ain 0001 will appear.
.
This display is
0
% LEL
0 % LEL
0 % LEL
UNLOCK SYSTEM
25
Press the
26
Press the UP button.
27
ENTER
ENTE
ENTER CODE: 0001
0 % LEL
0 % LEL
0 % LEL
button.
R CODE 0000
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
33
of 116
Page 39
Press the
shown for 2 seconds
28
After the 2 seconds have timed out, this
display is shown.
29
Press the
ENTER
ESCAPE
button. This display is
SYSTEM UNLOCKED
0 % LEL
0 % LEL
0 % LEL
SECURITY OPTS
0 % LEL
0 % LEL
0 % LEL
button.
This is the starting point for programming the
SYSTEM MENU.
Go to the SYSTEM MENU SECTION.
SECURITY MENU
30
This concludes the
programming.
The System must be
programming the instrument. If the instrument is
locked during the programming sequence all
programming will be lost a
.
Press the
31
CAUTION
permitted.
DOWN
0 % LEL
0 % LEL
0 % LEL
SECURITY MENU
UNLOCKED
saving will not be
button.
SYSTEM MENU
0 % LEL
0 % LEL
0 % LEL
when
34
of 116
Page 40
SYSTEM MENU
The System Menu programs those settings common
to the wh
ole unit and not for individual channel inputs.
1
Press the
2
SYSTEM MENU
ENTER
button.
VERSION *
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the UP button.
INHIBIT: NONE
6
Press the
7
Push the UP or
through two choices:
the UP button.
ENTER
DOWN
button.
INHIBIT:
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
buttons to scroll
ALL
NONE
or
NONE
. Press
Press the UP button.
ADJUST CONTRAST
3
Press the
stops flashing. Press and hold either the
or
DOWN
your specific location.
4
Press the
ENTER
buttons to adjust the
ADJUST CONTRAST
ENTER
0 % LEL
0 % LEL
0 % LEL
button. Channel 1 Display
0 % LEL
0 % LEL
0 % LEL
button.
contrast for
UP
8
Press the
9
Press the
10
ENTER
INHIBIT: ALL
0 % LEL
0 % LEL
0 % LEL
button.
INHIBIT:
0 % LEL
0 % LEL
0 % LEL
ENTER
INHIBIT: ALL
0 % LEL
0 % LEL
0 % LEL
ALL
button
ADJUST CONTRAST
5
0 % LEL
0 % LEL
0 % LEL
35
of 116
Page 41
* Current Software Version will be displayed.
NOTE: All alarm relays and alarm LEDs will
be inhibited when the programming sequence
is returned to the active channel d
addition, the analog 4-20mA output is set to
the programmed inhibit level. This selection
would allow you to wire all external alarms or
shutdown devices without concern of false
alarms.
To change back to the
MODE,
Press the UP button.
11
press the
NONE INHIBIT
ENTER button
INHIBIT:
0 % LEL
0 % LEL
0 % LEL
ALL
isplay. In
Press the
15
Press the
16
The
other mo
17
ENTER
RELAY: CMN FAIL
ENTER
FAIL RELAY
des. Press the
button.
button.
FAILSAFE:
cannot be programmed to
F1 F2 F3
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
ENTER
0 % LEL
0 % LEL
0 % LEL
YES
button.
F4
INHIBIT:
12
Press the
13
Press the UP button.
14
ENTER
button.
INH
SET LOCAL RELAYS
NONE
0 % LEL
0 % LEL
0 % LEL
IBIT: NONE
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
The common fault relay is factory set to
activate if any channel detects a fault. Press
the
ENTER
18
Press the UP button.
19
button.
RELAY: CMN FAIL
0 % LEL
0 % LEL
0 % LEL
RELAY:
CMN WARN
0 % LEL
0 % LEL
0
% LEL
36
of 116
Page 42
Press the
20
Press the UP or DOWN
through the menu, NO or
select
21
“FAILSAFE: YES” configures the relay to be
normally energized. This is energized in a
non-alarm state. Press the
22
ENTER
button.
FAILSAFE:
0 % LEL
0 % LEL
0 % LEL
YES.
Press the UP button.
FAILSAFE:
0 % LEL
0 % LEL
0 % LEL
W1 W2
0 % LEL
0 % LEL
0 % LEL
NO
buttons to scroll
YES
. For example,
YES
ENTER
W3
button.
W4
Press
the
ENTER
23
button.
RELAY:
0 % LEL
CMN WARN
0 % LEL
0 % LEL
Press the UP button.
RELAY:
24
CMN ALARM
0 % LEL
0 % LEL
0 % LEL
Press the
ENTER
button.
FAILSAFE:
25
0 % LEL
0 % LEL
0 % LEL
Press the UP or DOWN
through the menu, NO or
select
YES.
Press the UP button.
NO
buttons to scroll
YES,
for example
W1 W2
setting for the common Warn relay. It
indicated if the Warn level is reached on any
channel (1-4), then the common warn relay
will activate. “
The warn relay can be user programmed to
ope
rate with any channel or group of
channels. In addition AND/OR logic can be
configured. Finally, the relay can be
programmed to activate off the Warn or Alarm
setpoint. See the programming examples in
the Appendix for additional information.
W3
W4 is the factory default
” indicates and “OR” logic.
37
of 116
26
Press the
27
FAILSAFE:
ENTER
A1 A2 A3
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
YES
A4
Page 43
A1 A2 A3
the common Alarm relay. It indicates if the
A
larm level is reached on any channel (1-4),
then the common alarm
relay will activate. The “
logic. Like the warn relay, the alarm relay can
be configured to activate off any channel and
with AND/OR logic. See the programming
examples in the Appendix.
A4 is the factory default setting for
” indicates an “OR”
If a REMOTE RELAY ASS’Y has been
provided with the Receiver/Controller. Refer
to Optional Remote Relay.
Press the UP button.
TIME: 14.45
31
Press the
ENTER
button.
0 % LEL
0 % LEL
0 % LEL
Press the
28
Press the
29
Press the
30
ENTER
ESCAPE
UP
button.
RELAY:
SET LOCAL RELAYS
button.
SET REMOTE RELAY
CMN ALARM
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
TIME: 14:46
32
Press the UP or DOWN
correct time. Press the ENTER
33
Press the UP button.
34
0 % LEL
0 % LEL
0 % LEL
buttons to select
TIME: 14:47
0 % LEL
0 % LEL
0 % LEL
DATE: 7/3/2001
0 % LEL
0 % LEL
0 % LEL
button.
the
This programmi
time.
ng mode will be passed at this
38
of 116
Press the
35
ENTER
button.
DATE:
0 % LEL
0 % LEL
0 % LEL
7/3/2001
Page 44
Press the UP or DOWN
correct Month, Day and Year.
buttons to select the
This is the starting point to start programming
the
CHANNEL MENU
DATE:
36
Press the
37
Press the UP button.
38
ENTER
button.
DATE: 8/16/2001
VERSION *
8/16/2001
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Go to the
*Current Software Version will be displayed.
CHANNEL MENU SECTION.
Press the
39
Press the
40
ESCAPE
DOWN
button.
SYSTEM MENU
0 % LEL
0 % LEL
0 % LEL
button.
CHANNEL MENU
0 % LEL
0 % LEL
0 % LEL
39
of 116
Page 45
CHANNEL MENU
The Channel Menu programs those settings specific to
an individual channel.
1
Press the
2
Press the
3
ENTER
ENTER
CHANNEL MENU
0 % LEL
0 % LEL
0 % LEL
button.
ON/OFF/IHB: ON
button.
ON/OFF/IHB:
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
ON
The analog output (4-20mA) will be set to the
programming inhibit level. No relay contacts
will activate from Channel 1. (Channel 1 was
used in this example.)
To select
6
Press the UP button.
7
Press the
OFF,
ENTER
press the
ON/OFF/IHB:
ON/OFF/IHB:
button.
ENTER
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
button
IHB
OFF
Press the UP or DOWN
menu.
Press
4
5
the
ENTER
ON/OFF/IHB:
0 % LEL
0 % LEL
0 % LEL
button.
ON/OFF/IHB: IHB
0 % LEL
0 % LEL
0 % LEL
buttons to scroll the
IHB
ON/OFF/IHB: OFF
8
Turning a channel
signal (4-20mA) to the programming inhibit
level. No relay contacts will activate from this
channel.
To select the factory default “ON”
ENTER
ON
button and toggle the UP button until
is displayed. Press the
0 % LEL
0 % LEL
0 % LEL
OFF
drives the analog
ENTER
, press the
button.
40
of 116
Page 46
ON/OFF/IHB: OFF
9
Press the
10
Press the UP button.
11
UP
button.
ON/OFF/IHB: ON
SENSOR: 4 – 20 mA
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the UP or DOWN
through the
Select the
example, use
14
Press the
15
FULL SCALE RANGES
1.00 to 10.00
10.0 to 100.0
100 to 1999
FULL SCALE
50.0
FULL SCALE: 50.0
0 % LEL
0 % LEL
0 % LEL
ENTER
button.
FULL SCALE
0 % LEL
0 % LEL
0 % LEL
buttons to scroll
required. For
: 50.0
This setting cannot be changed.
Press the UP button.
12
Press the
13
ENTER
FULL SCALE: 100
0 % LEL
0 % LEL
0 % LEL
button.
FULL SCALE: 100
0 % LEL
0 % LEL
0 % LEL
Press the
Press the UP button
16
ENTER
17
button.
.
UNITS: %
0 % LEL
0 % LEL
0 % LEL
UNITS:%
0 % LEL
0 % LEL
0 % LEL
41
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Page 47
Press the UP or DOWN
UNITS: NONE, PPB, PPM or %.
Note: If less than 4 Channels active
w
ould be selected for the inactive Channels.
For example, use
but
ton.
18
Press the
19
ENTER
buttons to scroll the
PPM.
Press the DOWN
UNITS:
button
UNITS: PPM
PPM
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
, NONE
To move from the #1 position to the right to #2
position, press the
Each time you press the
move 1 position to the right until you reach #6
position and then you revert back to #1
p
osition.
Use the
characters. When you have selected the
required
this example use
Press the
UP/DOWN
TAG
22
SETUP
SETUP
button to change
, press the DOWN
H2S
HEL
button.
button.
SETUP button, you
and select
0 % LEL
0 % LEL
0 % LEL
button. For
H
Press the UP button.
TAG: LEL
20
Press the
21
NOTE: A
Symbols or Numbers in any combination.
A –
ENTER
LEL
TAG
Z, ! " # $ % & ' ( ) * +
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
can list up to 6 Letters,
HEL
23
Press the
24
Pre
25
ss the
DOWN
H2L
SETUP
H2
0 % LEL
0 % LEL
0 % LEL
button to select 2.
0 % LEL
0 % LEL
0 % LEL
button.
L
0 % LEL
0 % LEL
0 % LEL
, - . / 0 – 9 : ; < = > ?
x x
42
of 116
Page 48
Press UP button to select
TAG: H2
26
Press the UP button.
27
Press the
28
Press the UP or DOWN
0 to 10
UP
button
ENTER
. For this example, select 3. Press the
S
0 % LEL
0 % LEL
0 % LEL
DAMPING (S): 2
0 % LEL
0 % LEL
0 % LEL
button.
DAMPING (S): 2
0 % LEL
0 % LEL
0 % LEL
buttons to select from
S
Press the UP button.
31
Press the
32
Press the UP or DOWN
0 to 5
Press the UP button.
33
ENTER
. For this example, select 2.
ZERO DB (%FS): 0
0 % LEL
0 % LEL
0 % LEL
button.
ZERO DB (%FS): 0
ZERO DB (%FS): 2
0 % LEL
0 % LEL
0 % LEL
buttons to select from
0 % LEL
0 % LEL
0 % LEL
29
Press
30
the
DAMPING (S): 3
ENTER
button.
DAMPING (S): 3
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
43
of 116
Press the
34
ENTER
ZERO
button.
DB (%FS): 2
0 % LEL
0 % LEL
0 % LEL
Page 49
Press the UP button.
35
Press the
36
Press the UP or DOWN
2.0 to 20.0
Press the
ENTER
. For this example, select
DOWN
INHIBIT (mA): 3.6
button.
INHIBIT (mA): 3.6
0 % LEL
0 % LEL
0 % LEL
button.
0% LEL
0 % LEL
0 % LEL
buttons to select from
2.5.
Press the
40
Press the UP or DOWN
0.1 to 20.0
Press the UP button
41
Press the
ENTER
. For this example, select
ENTER
button.
FAULT (mA) 1.0
0 % LEL
0 % LEL
0 % LEL
FAULT (mA): 2.0
0 % LEL
0 % LEL
0 % LEL
button.
buttons to select from
2.0
.
37
Press the
38
Press t
he UP button.
39
INHIBIT (mA): 2.5
0 % LEL
0 % LEL
0 % LEL
ENTER
button.
INHIBIT (mA): 2.5
0 % LEL
0 % LEL
0 % LEL
FAULT (mA):3.6
0
% LEL
0 % LEL
0 % LEL
FAULT (mA): 2.0
42
Press the UP button.
43
Press the
44
ENTER
0 % LEL
0 % LEL
0 % LEL
SETUP WARNING
0 % LEL
0 % LEL
0 % LEL
button.
WARN SET: 25
0 % LEL
0 % LEL
0 % LEL
44
of 116
Page 50
Press the
45
Press the UP or DOWN
1 to 120
Press the
applications should never set an alarm
level above 60% LEL.
46
ENTER
. For this example, select
DOWN
button.
WARN
button.
WARN SET: 22
SET: 25
0 % LEL
0 % LEL
0 % LEL
buttons to select from
0 % LEL
0 % LEL
0 % LEL
NOTE: LEL
22.
Press the
49
Press the UP or DOWN
1 to 120
the
For rising gas ala
below the
For falling gas alarms (oxygen deficiency), set
the reset value above the
50
ENTER
. For this example, select
DOWN
button.
WARN
button.
WARN RES: 20
0 % LEL
0 % LEL
0 % LEL
rms, set the reset value
value as in this example.
WARN RES: 18
0 % LEL
0 % LEL
0 % LEL
buttons to select from
18.
Press
WARN
value.
Press the
47
Press the UP button.
48
ENTER
button.
WARN SET: 22
WARN RES: 20
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the
51
Press the UP button.
52
ENTER
button.
WAR
WARN DLY: 0
N SET: 18
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
45
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Page 51
Press the
53
Press the UP or DOWN
0 to 10
Press the UP button.
54
ENTER button.
WARN DLY: 0
0 % LEL
0 % LEL
0 % LEL
seconds. For this example, select 2.
WARN DLY: 2
0 % LEL
0 % LEL
0 % LEL
buttons to select from
Press the
57
Press the UP or DOWN
0 to 7200
Press the UP button.
58
ENTER
. For this example, select
button.
WAR
0 % LEL
0 % LEL
0 % LEL
WARN HLD: 150
0 % LEL
0 % LEL
0 % LEL
N HLD: 0
buttons to select from
150
.
Press the
55
Press the UP button.
56
ENTER
button.
WARN DLY: 2
WARN HLD: 0
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the
59
Press the UP button.
60
Press the
61
ENTER
ENTER
button.
WARN HLD: 150
0 % LEL
0 % LEL
0 % LEL
WARN LAT: NO
0 % LEL
0 % LEL
0 % LEL
button.
WARN LAT: NO
0 % LEL
0 % LEL
0 % LEL
46
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Page 52
Press the UP or DOWN buttons to select
Press the UP button.
62
Press the
63
Press the
ENTER
ESCAPE
WARN LAT:
0 % LEL
0 % LEL
0 % LEL
button.
WARN LAT: YES
0 % LEL
0 % LEL
0 % LEL
button.
YES
YES
.
Press the
67
Press the UP or DOWN
1 to 120
the UP button.
should never set an alarm level above 60%
LEL.
68
ENTER
. For this example, select
button.
ALARM SET: 50
NOTE: LEL applications
ALARM SET: 52
0 % LEL
0 % LEL
0 % LEL
buttons to select from
0 % LEL
0 % LEL
0 % LEL
52.
Press
SETUP WARNING
64
Press the UP button.
SETUP ALARM
65
Press the
66
ENTER
button.
ALARM SET: 50
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the
69
Press the UP button.
70
ENTER
button.
ALARM SET: 52
ALARM RES:45
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
47
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Page 53
Press
the
ENTER
button.
ALARM RES: 45
71
Press the UP or DOWN
1 to 120
Press the
For rising gas alarms, set the reset value
below the
For falling gas alarms (oxygen
the reset value above the
72
. For this example, select
DOWN
WARN
0 % LEL
0 % LEL
0 % LEL
buttons to select from
button.
value, as in this example.
ALARM RES: 42
WARN
0 % LEL
0 % LEL
0 % LEL
42.
efficiency), set
value
Press the
75
Press the UP or DOWN
0 to 10
Press the UP button.
76
Press the
77
ENTER
seconds. For this example
ENTER
button.
ALARM DLY: 0
0 % LEL
0 % LEL
0 % LEL
ALARM DLY: 5
0 % LEL
0 % LEL
0 % LEL
button.
ALARM DLY: 5
0 % LEL
0 % LEL
0 % LEL
buttons to select from
, select 5.
Press the
73
Press the UP button.
74
ENTER
button.
ALAR
ALARM DLY: 0
M RES: 42
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the UP button.
ALARM HLD: 0
78
Press the
79
ENTER
button.
ALARM HLD: 0
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
48
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Page 54
Press the UP or DOWN
0 to 7200
Press the UP button.
80
Press the
81
Press the UP button.
82
. For this example select
ALARM HLD:100
0 % LEL
0 % LEL
0 % LEL
ENTER
button.
ALARM HLD: 100
0 % LEL
0 % LEL
0 % LEL
ALARM LAT: NO
0 % LEL
0 % LEL
0 % LEL
buttons to select from
100
.
Press the
85
Press
86
Press the UP button.
87
the
ENTER
ESCAPE
button.
ALARM LAT: YES
SETUP ALARM
CAL LOOP INPUT
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the
83
Press the UP or DOWN
Press the UP button.
84
ENTER
button.
ALARM LAT:
ALARM LAT:
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
NO
buttons to select
YES
YES
49
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.
Press the
NOTE: The following message scrolls on the
Channel 1 display area
Input 4 mA at TB1 6,7
88
ENTER
button.
SCROLL
0 % LEL
0 % LEL
0 % LEL
Page 55
Press the
appears for 3 seconds.
89
After the time out, the following scrolls on the
Channel 1 display area
90
ENTER
OKAY
button. This display
0 % LEL
0 % LEL
0 % LEL
Inp. 20mA at TB1 6,7.
SCROLL
0 % LEL
0 % LEL
0 % LEL
SCROLL
0 % LEL
93
Note: Channels 2, 3, and 4 have different
TB5
designations.
Press the
NOTE: The following message scrolls on the
Cha
Use UP/DN: Adjust to 4.00 mA
ENTER
nnel 1 display area.
0 % LEL
0 % LEL
button.
Note: Channels 2, 3, and 4 have different
TB1
and
TB2 designations.
Press the
91
Press the UP button.
92
ESCAPE
C
AL LOOP INPUT
CAL LOOP OUTPUT
button.
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
SCROLL
0 % LEL
94
Press the
NOTE: The following message scrolls on the
Channel 1 display area.
Use UP/DN: Adjust to 20.00 mA.
95
ENTER
0 % LEL
0 % LEL
button.
SCROLL
0 % LEL
0 % LEL
0 % LEL
Pres
s the
ENTER
NOTE: The following message scrolls on the
Channel 1 display area
button.
MA out = TB 5 3, 4.
50
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Page 56
Press the
96
Press the
97
Press the
98
ENTER
button.
CAL LOOP OUTPUT
0 % LEL
0 % LEL
0 % LEL
ESCAPE button.
CHANNEL MENU
0
% LEL
0 % LEL
0 % LEL
ESCAPE
button.
SAVE SETUP? YES
0 % LEL
0 % LEL
0 % LEL
NOTE:
At this point all ALARMS are active.
Press the
ENTER
button.
* SETUP *
0 % LEL
101
0 % LEL
0 % LEL
Press the
program
DOWN
Channel 2.
button. This is the start to
102
0 % LEL
* SETUP *
0 % LEL
0 % LEL
All Channels are programmed in the same
manner as Channel 1.
For this example select
ENTER
2 seconds.
button. This display is shown for
YES.
Press the
SYSTEM SAVED
99
0 % LEL
0 % LEL
0 % LEL
After the time out period, the display
reverts to the default display.
0 % LEL
0 % LEL
100
0 % LEL
0 % LEL
When the programming is completed for all
active channels, the following can be
implemented.
At this time if you wish to setup a
CODE,
Wiring can now be completed to all external
alarm and/or shutdown devices.
When the wiring is completed, refer to The
Inh
ibit section in the System Menu to remove
the
INHIBIT
LCD is flashing
refer to the Security Menu.
from all channels, if the inhibit
.
SECURITY
51
of 116
Page 57
Optional Remote Relays
General
The optional remote relay assembly offers a unique alarm system for all alarms generated from the
QuadScan II, which include warn, alarm and fail. Warn refers to the first level of alarming while alarm
refers to the second level (more serious) of alarming. The unit inputs the alarm signals, which can be
programmed to provide a variety of relay configurations to change th
alarm condition exists. A terminal strip provides the interface between the relay contacts and the
customer shut down or corrective devices. All the relay configurations are programmed from the
display/function assembly. B
evaluating backup power sources.
Specific
The QuadScan II remote relay assembly (P/N 096-2691) has 3 major components:
NEMA-4X enclosure
Circuit board
Interface cable
e state of the 8 relays, when an
e sure to consider the additional current requirements for all optional when
NEMA-
The enclosure measures 4-3/4" H x 6-23/32 " W x 3-3/16 "D. It provides a watertight, dust tight and
corrosive resistant enclosure for indoor or outdoor mounting.
Circuit Board
The circuit board (P/N 096-2688) provides terminal blocks and 6 – SPST
The 7400 provides the power required to switch the relays. The circuit board, relays and terminal blocks
can be reached by removing 4 inset Phillips head screws from the cover and it lifting off. TB 9 provides
the terminal i
TB 10 provides the terminal interface between the remote relay assembly and the required customer
shutdown or corrective action devices. E
4X En
closure
nterface between the remote relay assembly and the QuadScan II.
Terminals 1 – 4
5 Ground
6
Signal inputs.
+ Volts
nclosure orientation for the terminal strip and relay description is
relays and 2 – DPDT relays.
52
of 116
Page 58
with the cable or conduit entry at the bottom of the enclosure. TB 10 terminals number from 1 to 30 from
left to right and provide NC, C and NO relay contacts. Relays are numbered 1 to 8
from right to left.
Cable
Ten feet of 6 conductor (24AWG) wire (P/N 069-0065) is supplied standard with the relay assembly (P/N
069-2651). Additional cable may be ordered separately. A maximum of 50 feet of cable can be used
between the remote relay and
the 7400.
Figure 11 - Remote Relay Enclosure – Front View
Installation
Location
The location of the remote relay assembly has the same requirements as the QuadScan II. Refer to the
Installation section. The unit is mounted in the general area of
separation of 50 feet (16 meters). A 10 foot (3 meter) cable is supplied standard with the unit. Note:
Other cable lengths are available up to 50 feet. Contact Scott Health & Safety for pricing information.
Mounting
The e
nclosure dimensions are 4-3/4" H x 6-23/32" W x 3-3/16" D and weighs 1 pound. Refer to
for mounting hole locations. Within the cable length, locate the 4 mounting holes at the desired location
and drill the holes for the proper screw size. Usin
suitable structure.
the QuadScan II with a maximum
Figure 12
g #8 screws, mount the enclosure to the wall or other
Remove the enclosure cover exposing the terminal blocks.
appropriate function and wire designation to implement correct wire hook up. Refer to
terminal block layout.
The supplied 10-foot cable should be cut to the correct length and stripped to make the ter
connections. The cable wires are connected, point-to-point. Refer to
wiring, cabling and conduit runs must meet local electrical codes and meet the National Electrical Code.
The terminal blocks are labeled with the
Figure 12
Figure 13
for wiring information. All
for
minal
54
of 116
Page 60
Figure 13 - Interconnect Wiring
Between 7400 & Remote Relay Assembly
55
of 116
Page 61
Remote Relay Operation
The remote relays operate from the alarm signals from the QuadScan II. Each of the 1 through 8 relays
can be programmed for various combinations of alarm inputs. The progra
configurations for zone applications as well as many others. Refer to
the remote relay settings
.
mming allows AND / OR
Figure 14
for the factory default of
Figure 14 - Remote Relay Settings Factory Default
The remote relays can be programmed to
from each other. The unit is shipped with factory default settings in place for each relay. The defaults are
as follows:
Relay 1 – W1
Relay 4 – A2
Relay 7 – W4
Relay 2 – A1
Relay 5 – W3
Relay 8 – A4
any specific alarm condition and are activated independently
56
of 116
Relay 3 – W2
Rela
y 6 – A3
Page 62
If the default setting is not changed for a specific relay(s), then that relay will be activated when the
default alarm condition exists. For example if Relay 1 is programmed to activate when a specific
combination of a
these relays will also be activated if the alarm combination for Relay 1 includes that specific relay or
relays.
larms exist and Relays 2 through 8 have not been changed from the default settings then
For the customer to customize a specific relay, that r
requirements. The basis for the programming procedure for a specific relay are the alarms warn (W),
alarm (A) and fail (F) which are generated within the QuadScan II for each channel when a gas or fail
condi
tion is detected on that channel.
The programming functions available for each relay are:
W, A, F, 1, 2, 3, 4, &, , (, ).
The following explains the letters, numbers and symbols.
W, A, F
1, 2, 3, 4 Refers to the channel number
&
(, )
Alarm conditions Warn (low alarm), Alarm (high alarm) and
or shorted)
AND Function: i.e W1 & W2
OR Function i.e. W1 W2
To separate one group of functions from another group of functions
elay must be programmed for the desired customer
Fail
(input loop open circuit
The following examples explain the var
If RMT RLY 1 is programmed as
1 must be in alarm
If RMT RLY 3 is programmed as
(A) from Channel 1 must be in alarm
from Channel 3 must be in alarm
AND
Warn (W) from Channel 2 must be in alarm.
ious functions.
W1 & W2,
( A1 & A2 ) (W3 & A4 ),
AND
AND
alarm (A) from Channel 4 must be in alarm.
to change the state of RMT RLY1, warn (W) from Channel
to change the stat
alarm (A) from Channel 2 must be in alarm OR warn (W)
57
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e of RMT RTL3, alarm
Page 63
All remaining channels are programmed
Remote Relay Setup and
Programming
The following defau
programming the Remote Relays.
1
Press the
seconds.
SETUP
2
lt display is the starting point for
0 % LEL
0 % LEL
0 % LEL
0 % LEL
button. This display is shown for 2
SYSTEM UNLOCKED
0 % LEL
0 % LEL
0 % LEL
Press the
Press the
Press the UP button to scroll to this display. Note:
This menu is only displayed if the remote relay
assembly is physically hooked up to the 7400.
5
6
7
DOWN
ENTER
button
SYSTEM MENU
SET REMOTE RELAY
0 % LEL
0 % LEL
0 % LEL
button.
VERSION *
0 % LEL
0
% LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
After the 2 seconds timed out, this display is shown.
3
Press the
4
* SETUP*
0 % LEL
0 % LEL
0 % LEL
ENTER
button.
SECURITY MENU
0 % LEL
0 % LEL
0 % LEL
Press
the
ENTER
8
Note:
in the same manner as Channel 1.
button.
RELAY:
0 % LEL
0 % LEL
0 % LEL
REM RLY 1
58
of 116
Page 64
Press the
ESCAPE
must press
Press the UP or DOWN
*Current Software Version will be displayed
ENTER
button to back
9
10
YES
can be selected by pressing the
button, but for this example the default NO will be
used.
button. Note: You can not use the
out of this submenu. You
ENTER.
FAILSAFE:
0 % LEL
0 % LEL
0 % LEL
button.
FAILSAFE :
0 % LEL
0 % LEL
0 % LEL
NO
YES
ENTER
.
Note 1:
the following letters, numbers and symbols are
used: W (Warn), A (Alarm), F (Fail),
1,2,3,4
and
Note2:
or symbols out of 32 at one time on the LCD.
Each time the
pressed, the program position moves 1 flashing
position to the right. The flashing position will wrap
around to the first position.
Note3: If a mistake is made during entry of the
selection, press the RESET/Silence button to
delete a character.
without using the
c
If you wish to change the W to A or F, press the
UP
example, use the Factory Default
To program any relay for specific alarms,
(Channel numbers), &
)
(used to separate groups of alarms).
The LCD can display 16 letters, numbers
SETUP
haracter in the string cannot be deleted.
button to select your requirement. For this
button is
Corrections can then be made
ESCAPE
(AND
), (OR),
button. Note: The first
W.
(
Press the UP or DOWN
FAILSAFE
0 % LEL
11
Press the
12
ENTER
W1
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
button.
: NO
Press the
13
If you wish to change the 1 to another ch
number, press the UP or DOWN
wish to add additional alarms or
functions, press the UP or
SETUP
right on the CD display.
The default 1 will be used for this e
SETUP button
W1
0 % LEL
0 % LEL
0 % LEL
button to move to the next position to the
Down
button. If you
AND
and OR
buttons and the
xample.
annel
59
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Page 65
Press the
14
Press the UP button.
15
Press the
16
ENTER
RELAY:
RELAY:
ENTER
button.
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
button.
FAILSAFE:
0 % LEL
0 % LEL
0 % LEL
REM RLY 1
REM RLY 2
NO
Press the
19
Press the UP or DOWN
20
SETUP
A1
¦
A1
&
Press the
button.
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
SETUP
button to select &.
button.
As we are using the default setting,
press the
17
The factory default A1will be used but additional
program
Press the
18
ENTER
A1
ming will be added for this example.
SETUP
A1
button.
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
NO,
A1
&¦
0 % LEL
21
Press the UP or DOWN
the
SETUP
A1&A¦
22
button.
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
button to select A.
Pres
s
60
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Page 66
Press the UP or DOWN
Press the
22
Press the
23
To return to the Factory Default settings A1, press
the
wraps around to the position after
A1.
SETUP
A1&A4
SETUP
A1
SETUP
&A4
¦
button until the program position
button to select 4.
button.
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
You have finished programming relay
activate when Channel 1 goes into alarm.
For another example we will show Remote
Relay 3 programmed to operate if either
Channel 1 or Channel 2 goes into warn.
Press the
26
Press the UP button.
27
Press the
ENTER
RELAY:
RELAY:
ENTER
button.
REM RLY 2
0 % LEL
0 % LEL
0 % LEL
REM RLY 3
0 % LEL
0 % LEL
0 % LEL
button.
1 to
A1&A4
24
Press the
delete &, A and 4. After pressing the
SILENCE/RESET
will be displayed.
A1
25
0 % LEL
0 % LEL
0 % LEL
SILENCE/RESET
button three times, this screen
0
% LEL
0 % LEL
0 % LEL
button three times to
FAILSAFE
28
Press the
29
The Factory Default is W2. Press
30
ENTER
W2
W2
¦
: NO
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
SETUP
twice.
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Press the
31
Press the
32
Press the
33
DOWN
W2
SETUP
W2
¦
UP
button.
W2
W
button 4 times.
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the
to the Save Setup Screen to save the setup.
36
Press the
2 seconds.
37
After the 2 seconds has
display is shown.
ESCAPE
SAVE SETUP?
ENTER
SYSTEM SAVED
button times. To return
0 % LEL
0 % LEL
0 % LEL
button. This display is shown for
0 % LEL
0 % LEL
0 % LEL
timed out, the default
YES
Press the
34
Press the UP button 4 times.
35
SETUP
W2
W¦
W2 W1
button
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
.
0 % LEL
0 % LEL
38
You have now returned to run/active mode. Any
WARN setpoint that is activated on either
Channels 1 or 2 will cause Remote Relay 3 to
activate.
0 % LEL
0
% LEL
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System Maintenance
General
Due to the unique micropro
maintenance schedule is not required. However, a visual alarm and relay check can be performed at
customer selected intervals to verify proper system operation.
Alarm/Relay Check
cessor circuitry design and proven reliability of the QuadScan II, a set
CAUTION: CORRECTIVE
CONTACTS MUST BE DISABLED BEFOR PERFORMING THE FOLLOWING TESTS
UNLESS IT IS INTENDED TO ALSO VERIFY THE OPERATION OF THE REMOTE
ANNUCIATORS.
DEVICES CONNECTED TO THE ALARM RELAY
1. Remove the cover plate located on the lower bottom sect
2. Identify the Channel 1 current loop input wires located on TB1 and disconnect. The fail LED
will illuminate and the fail common relay will activate (change state). The internal horn will not
activate.
3. Connect a current generato
and (–) IN
if the output is set to 4ma or above.
r with a range of 0 to 20 mA, (observe correct polarity), to the (+) IN
terminals on TB1. The fail LED will extinguish and the fail relay will return to normal
ion of the enclosure.
For toxic or combustible monitoring channels,
deficiency monitoring channels, follow steps 9 through 13.
4. Set the current generator for 4 mA and input to the system. The LCD will
indicate 0.0.
5. Set the current generator for 20mA to simulate a high toxic or
input to the system. The LCD will indicate the programmed full scale for a specific gas. The
warn and alarm LEDs will be illuminated and flashing, warn and alarm common relays will
activate (change state). The internal horn
also be activated. The fail LED and relay will not be activated.
6.
Reset the current generator to 4mA and input. The LCD display will return to 0.0. If the LEDs
and relays are still activated press the re
activate.
7. Set the current generator to the programmed fault level to simulate an fault condition. The
Status LED will illuminate and flash yellow, the LCD will indicate a negative value
will be activated and the common horn relay will
set button and the LEDs and relays will now de
follow steps 4 through 8. For oxygen
combustible gas condition and
-
63
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Page 69
corresponding to th
user to do so. Pressing the silence/reset button will cause the LED to stop flashing and remain
steady.
8. Reset the current generator to 4mA and input. The LCD display will return
and relays are still activated press the reset button the LEDs and relays will now deactivate.
Note: The following test assumes an oxygen range of 0% to 25%.
9. Set the current generator for 17.4 mA and input to the system. The LCD will indicate
approximately 20.9 %, which is a normal oxygen atmosphere and the QuadScan II will indicate
normal operation. Alarm LEDs or alarm relays will not be activated.
10. Reset the current generator to 12.0 mA and input. The LCD will indicate 12.5%.
and alarm LEDs will be illuminated and flashing, the warn and alarm common relays will
activate (change state). The internal horn will be activated and the common horn relay will also
be activated. The fail LED and fail relay will not be activat
11. Set the current generator to the programmed current of 18.7 mA to simulate an inhibit
condition. The LCD will display approximately 23 %. The Channel Status LED will illuminate
and flash yellow. The internal horn will not activate. Reset the cu
and input. The LCD will indicate 20.9 % if the LEDs and relays are still activated. Press the
reset button and the LEDs and relays will now deactivate.
e mA input. The internal horn will not activate unless programmed by the
to 0.0. If the LEDs
The warn
ed.
rrent generator to 17.4 mA
12. Disconnect the current generator. Reconnect the loop wires and move to
Note: If any of the conditions described do not function, refer to the Troubleshooting
Section.
channel 2 through 4.
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Troubleshooting
General
Troubleshooting the QuadScan II can be accomplished by isolating the CPU/power supply boards or the
displa
Reference the appropriate transmitter manual for specific transmitter troubleshooting procedures. If the
problem exists in the receiver/controller and n
common to all channels or just a specific channel. The following procedure can be used to help isolate
the problem area.
Channel Test Setup
y/function assembly. In most cases, the problem will be isolated to a sensor or transmitter failure.
ot the sensor or transmitter, then determine if the problem is
CAUTION: CORRECTIVE DEVICES CONNECTED TO THE ALARM RELAY
CONTACTS M
UST BE DISABLED BEFOR PERFORMING THE FOLLOWING TESTS.
1. Remove the cover plate located on the lower bottom section of the enclosure.
2. Identify the Channel 1 current loop input wires located on TB1 and disconnect. The Fail LED
will i
lluminate and the fail common relay will activate (change state). The internal horn will not
activate.
3. Connect a current generator with a range of 0 to 20 mA, (observe correct polarity), to the (+) IN
and (–) IN
For additional details on the testing procedure, refer to System Maintenance.
Refer to Table 2 for additional help in isolating or locating the malfunction.
Once the problem area has been diagnosed, because of the complexity of the circuit board design, all
repairs should be limited to interchanging circuit boards. Circuit boards are available as spare parts or
can be purchased as required from Scott Health & Safety.
terminals on TBI. The fail LED will exti
nguish and the fail relay will return to normal.
65
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The following table will hel
Problem
Fail LED flashing
Continuous high alarm
condition
Function switches not
operating correctly
LCD not indicating
correc
t data
No visible displays
on front panel
p identify and locate possible malfunctions in the event of a system failure.
Possible Cause
Transmitter failure
Loop open or shorted
Transmitter failure
H
igh gas condition
Alarms in latched mode
Function switches
Ribbon cable
CPU PS board failure
Ribbon cable
Display board
No power input
Ribbon cable
CPU/PS board
Possible Remedy
Check transmitter manual
Check transmitter manual
Normal
Press Reset button
Replace Display/Function
Assembly
Replace/tighten Ribbon cable
Replace CPU/PS boards
Replace/tighten cable
Replace Display board
Check input voltage
Replace/tighten cable
Replace CPU/PS
Blown fuse on power supply
boards
All programming functions
inoperable
Common relays inoperable
Common Warn, or Alarm,
or Fail or Horn relays
inoperable
Internal Horn not functional
No current output
Ribbon cable
CPU/PS boards
CPU/PS boards
Relay
CPU/PS boards
Horn
Horn connector
CPU/PS boards
Display board
No current
66
input
of 116
Replace/tighten Ribbon cable
Replace CPU/PS boards
Replace CPU/PS boards
Replace Relay
Replace CPU/PS boards
Replace Horn
Reconnect or Replace
Replace CPU/PS boards
Replace Display board
Check transmitter manual
Page 72
Alarm LEDs operational
but Status LEDs inoperable
Status LEDs operational
but Alarm LEDs inoperable
Individual Alarm or Status
LED inoperable
Inhibit function d
All Remote Relays not
Relay 1,2,3,4,5,6,7 or 8
do not operate
Table 2 - Identify and Locate Possible Malfunctions During System Failure
oes not operate
operational
CPU/PS boards
Display board
Ribbon cable
CPU/PS boards
Display board
Ribbon cable
CPU/PS boards
LED
Display board
CPU/PS board
Cable or wire connection
Remote Relay board
Relay
Cable or wire connection
Replace CPU/PS boards
Replace Display board
Replace/tighten Ribbon cable
Replace CPU/PS boards
Replace Display board
Replace/tighten Ribbon cable
Replace CPU/PS boards
Replace LED
Replace Display board
Replace CPU/PS board
Replace or re-strip cable
Replace Relay board
Replace R
Replace or re-strip cable
elay
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Spare Parts
QuadScan II
Description
Power Supply Main I/O Board
CPU & Display Board
Touch Pad/Function Ass
Display Circuit Board Assembly Only (attaches to CPU board)
Enclosure Rear Section Only
Enclosure Center Section Only
Enclosure Hinge Covers Only (pair)
Enclosure Display Front Cover with Cle
Interconnecting Ribbon Cable (Power Supply to Display Board)
Horn Assembly (Internal)
086-0004
Power Supply Module located on Power Supply board
Terminal Strip Connector for TB1,TB2,TB5 and TB6
Terminal Strip
Terminal Strip Connector for TB4
Terminal Strip Connector for TB7
Remote Relay Assembly
Description
Complete Relay Assembly less cable
NEMA 4X Enclosure with drilled holes
Connector for TB3
028-0035
037-0104
037-0103
037-0102
037-0105
Part Number
096-2691
096-2729
-2
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Circuit Board Assembly - Complete
Ten ft. Interconnecting 6 Conductor Cable –specify length required
Up to 50 ft. maximum
096-2688
069-0065
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Page 75
Scott Health & Safety Warranty
General Policy Coverage
The manufacturer warrants to the original p
any part(s) thereof (except for those listed below) prove(s) to be defective in material or workmanship within 18
months from the date of shipment or 12 months from the date of start-up, whichever comes first. Such defective
part(s) will be repaired or replaced free of charge if shipped prepaid to the factory in a package equal to (or) original
container.
Exceptions to this general warranty policy are:
Gas Sensors
Gas sensors wh
occur within 12 months of shipment, the sensor will be replaced at no charge, providing the sensor has
been used and installed in accordance with O&M Manual recommendati
COCI2 has a warranty of six months.
Terms and Conditions
All products will be returned freight prepaid and allowed if it is determined by the manufacturer that the
part(s) failed due to defective materials or workmanship. The sell
damages of any kind, and the buyer by acceptance of this equipment will assume all liability for the
consequences of its use or misuse by the buyer, his employees, or others. A defect within the meaning
of this wa
renewed, repaired, or replaced, operate to condemn such piece of equipment. This warranty does not
cover consumable items, batteries, or wear items subject to period
fuses. This warranty is in lieu of all other warranties (including without limiting the generality of the
foregoing warranties of merchantability and fitness for a particular purpose), guarantees, obligations, or
liabilit
warranty is void if the instrument has been subject to misuse or abuse, or has not been operated in
accordance with instructions, or if the serial number has been removed.
ich are part of certain products are covered by a 12-month warranty. Should a failure
rranty in any part of any piece of equipment shall not, when such part is capable of being
ies expressed or implied by the seller or its representatives and by the statute or rule of law. This
urchaser and /or ultimate customer of the manufacturer’s products that if
ons. The Phosgene sensor
er assumes no liability for consequential
ic replacement including lamps and
SCOTT HEALTH & SAFETY MAKES NO OTHER WARRANTY EXPRESSED OR
IMPLIED EXCEPT AS STATED ABOVE.
Year 2000 Compliance
The QuadScan II accepts all dates in the years after 1999 as valid dates. The instrument’s functionality,
performance, an
irrespective of the century.
d accuracy will not be affected as a result of the run date or dates being processed,
70
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Page 76
Contacting Scott Health & Safety
Scott Health & Safety
4320 Goldmine Rd
Monroe, North Carolina 28110 USA
Phone (704)291-8400
www.scotthealthsafety.com
FAX (704)291-8340
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Technical Specifications
QuadScan II
Configurations:
Enclosure:
Weight:
Power Requirements: 90-260 VAC, 50
1,2,3,or 4 Channels
NEMA 4X Wall Mount Noryl plastic with stainless steel screws and hinges
4 lbs. (1.8 Kg)
or 24VDC, 400mA max.
Maximum Four 4-20 mA current loops, 2, 3 or 4 wire. Dry contact inputs
also available.
Four isolated analog 0-20mA (max) self powered (do not apply 24VDC to
outputs) common & optional remote relays
LCD, backlit, with 4 individual 16 character alphanumeric displays.
Individual channel LED indication for OK, fail, inhibit, low alarm and high
alarm
Low alarm, high alarm, fail and horn
–
24VDC SPDT 5A resistive
± 2% full
± 0.5% full scale
13° F to 122°F (-25°C to 50°C)
0 to 99% R.H.
85dB @ 1 foot
Classified to CSA 22.2 No. 1010.1 and ISA-S82
scale
/60 Hz, 80W.
Optional Remote Relay
Con
figuration:
Enclosure:
Temperature
Weight:
Inputs:
-
Eight (8) programmable Relays
6 relays SPDT, 5 A, 30 VDC – 277 VAC
2 relays DPDT, 5 A, 30 VDC – 277 VAC
NEMA 4X polycarbonate 94V-2 (wall mount)
40° F to 176°F (-40°C to 80°C)
1 lb. (.5 Kg)
10 ft. - 6
(Cable lengths are available up to 50 ft.)
conductor cable
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Factory Default Settings
All 4 channels have the same factory default settings. Sometimes the factory will perform
custom setups.
The following
are working on for example,
numbers and symbols, in any combina
numbers, letters and symbols will be used to identify a specific gas being monitored on the channel you
A –
Z, ! " # $ % & ' ( ) * +
, - . / 0 – 9 : ; < = > ?
0
0
0
0
PPB
. Identification can also be listed for sensor/transmitter locations. Six letters,
NO
50
45
NO
tion, can be used.
x x
0 to 10
0 to 7200
NO/YES
.01 to 1999
.01 to 1999
0 to 10
0 to 7200
NO/YES
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LISTING PROGRAMMING SELECTIONS Channel 2
SETTINGS
SYSTEM INHIBIT
FULL SCALE
UNITS %
TAG
DAMPING(S)
ZERP DB(%FS)
2
0
FACTORY
DEFAULT
NONE
100
LEL
PROGRAMMING
OPTIONS
NONE/ALL
1.00-
10.00
10.0-
100.0
100-1999
%, PPM, PPB NONE
UP TO 6 LETTERS,
NUMBERS
OR SYMBOLS
( see footnote 1)
0 to 10
0 to 5
CUSTOMER
SELECTION
INHIBIT(mA)
FAULT(mA)
CHANNEL INHI
COMMON FAIL RLY
-
FAILSAFE
COMMON WARN RLY
FAILSAFE
COMMON ALARM RLY
FAILSAFE
COMMON HORN RLY
FAILSAFE
WARN SET POINT
WARN RESET
WARN DELAY
WARN HOLD
BIT
0
0
3.6
3.5
ON
YES
NO
NO
NO
25
20
2.0 to 20
0.1 to 20.0
ON/OFF/IHB
PROGRAMMABLE
NO/YES
NO/YES
NO/YES
.01 to 1999
.01 to 1999
0
0 to 7200
NOT
to 10
WARN LATCH
ALARM SET POINT
NO
50
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NO/YES
.01 to 1999
Page 82
ALARM RESET
ALARM DELAY
ALARM HOLD
ALARM LATCH
The following numbers, letters and symbols will be used to identify a specific gas being monitored on the channel you
are working on, for example,
numbers and symbols, in any combination can be used.
0
0
PPB
. Identification can also be listed for sensor/transmitter locations. Six letters,
A –
Z, ! " # $ % &
, - . / 0 – 9 : ; < = > ?
45
NO
' ( ) * +
.01 to 1999
0 to 10
0 to 7200
NO/YES
x x
77
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Page 83
LISTING PROGRAMMING SELECTIONS Channel 3
SETTINGS
SYSTEM INHIBIT
FULL SCALE
UNITS %
TAG
DAMPING(S)
ZERP DB(%FS)
2
0
FACTORY
DEFAULT
NONE
100
LEL
PROGRAMMING
OPTIONS
NONE/ALL
1.00-
10.0100-1999
%, PPM, PPB NONE
UP TO 6 LETTERS,
NUMBERS
OR SYMBOLS
( see footnote 1)
0 to 10
0 to 5
10.00
100.0
CUSTOMER
SELECTION
INHIBIT(mA)
FAULT(mA)
CHANNEL INHIBIT
COMMON FAIL RLY
-
FAILSAFE
COMMON WARN RLY
FAILSAFE
COMMON ALARM RLY
FAILSAFE
COMMON HORN RLY
FAILSAFE
WARN SET POINT
WARN RESET
WARN DELAY
WARN HOLD
0
0
3.6
3.5
ON
YES
NO
NO
NO
25
20
2.0 to 20
0.1 to 20.0
ON/OFF/IHB
PROGRAMMABLE
NO/YES
NO/YES
NO/YES
.01 to 1999
.01 to 1999
0 to 10
0 to 7200
NOT
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WARN LATCH
ALARM SET POINT
ALARM RESET
ALARM DELAY
ALARM HOLD
ALARM LATCH
The following numbers, letters and symbols will be used to identify a specific gas being monitored on the channel y
are working on, for example,
numbers and symbols, in any combination can be used.
0
0
PPB
. Identification can also be listed for sensor/transmitter locations. Six letters,
A –
Z, ! " # $ % & ' ( ) * +
, - . / 0 – 9 : ;
NO
50
45
NO
< = > ?
NO/YES
.01 to 1999
.01 to 1999
0 to 10
0 to 7200
NO/YES
x x
ou
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LISTING PROGRAMMING SELECTIONS Channel 4
SETTINGS
SYSTEM INHIBIT
FULL SCALE
UNITS %
TAG
DAMPING(S)
ZERP DB(%FS)
2
0
FACTORY
DEFAULT
NONE
100
LEL
PROGRAMMING
OPTIONS
NONE/ALL
1.00-
10.0100-1999
%, PPM, PPB NONE
UP TO 6 LETTERS
NUMBERS
OR SYMBOLS
( see footnote 1)
0 to 10
0 to 5
10.00
100.0
,
CUSTOMER
SELECTION
INHIBIT(mA)
FAULT(mA)
CHANNEL INHIBIT
COMMON FAIL RLY
-
FAILSAFE
COMMON WARN RLY
FAILSAFE
COMMON ALARM RLY
FAILSAFE
COMMON HORN RLY
FAILSAFE
WARN SET POINT
WARN RESET
WARN DELAY
WARN HOLD
0
0
3.6
3.5
ON
YES
NO
NO
NO
25
20
2.0 to 20
0.1 to 20.0
ON/OFF/IHB
PROGRAMMABLE
NO/
NO/YES
NO/YES
.01 to 1999
.01 to 1999
0 to 10
0 to 7200
NOT
YES
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WARN LATCH
ALARM SET POINT
ALARM RESET
ALARM DELAY
ALARM HOLD
ALARM LATCH
The following numbers, letters and symbols will be used to identify a specific gas being monitored on the channel you
are working on, for example,
numbers and symbols, in any combination can be used.
A –
Z, ! " # $ % & ' ( ) * +
, - . / 0 – 9 : ; < = > ?
0
0
PPB
. Identificati
NO
50
45
NO
on can also be listed for sensor/transmitter locations. Six letters,
The following will familiarize you with actual examples.
Programming Example 1
Two sensor/transmitters, one for chlorine and one
hydrogen sulfide are installed, operating and
calibrated. A four channel QuadScan II has been
purchased to interface with these transmitters. The
chlorine sensor/transmitter is wired to channel 1 and
the hydrogen sulfide sensor/transmitter is wired to
channel 3. Channels 2 and 4 will not be used at this
time. Security/password will not be used. Remote
relays will not be connected to the QuadScan II. The
starting point for the programming sequence will be
the LEL default display:
for
1
Press the SETUP
2
Press the
3
ENTER
0 % LEL
0 % LEL
0 % LEL
0 % LEL
button.
* SETUP*
0 % LEL
0 % LEL
0 % LEL
button.
SECURITY MENU
0 % LEL
0 % LEL
0 % LEL
The
SECURITY MENU
Press the
4
Press the
5
will not be programmed.
DOWN
ENTER
button.
SYSTEM MENU
button.
VERSION *
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
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Page 90
Press the UP or DOWN
LOCAL RELAYS.
been pre
Press the
viously setup or not used.
6
ENTER
7
All other functions have
SET LOCAL RELAYS
0 % LEL
0 % LEL
0 % LEL
button.
RELAY: CMN FAIL
0 % LEL
0 %
0 % LEL
button to scroll to
LEL
SET
10
Press the UP button.
11
Press the
12
RELAY:
RELAY:
ENTER
button.
FAILSAFE
CMN WARN
0 % LEL
0 % LEL
0 % LEL
CMN ALARM
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
: NO
Press the
8
The
mode. Press the
9
ENTER
Fail Relay
cannot be set in any other
RELAY: CMN FAIL
button.
FAILSAFE:
ENTER
0 % LEL
0 % LEL
0 % LEL
button
0 % LEL
0 % LEL
0 % LEL
YES
Press the UP or DOWN
YES.
FAILSAFE:
13
Press the
14
ENTER
RELAY:
button and select
0 % LEL
0 % LEL
0 % LEL
button.
CMN ALARM
0 % LEL
0 % LEL
0 % LEL
YES
Press the UP button.
85
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Page 91
Press the UP button.
15
Press the
16
*Current Software Version displayed.
Press the
RELAY:
ESCAPE
SET LOCAL RELAYS
ESCAPE
CMN HORN
0 % LEL
0 % LEL
0 % LEL
button.
button.
0 % LEL
0 % LEL
0 % LEL
19
Press the UP button.
20
Press the UP button.
21
ON/OFF/IHB: O
0 % LEL
0 % LEL
0 % LEL
SENSOR: 4 – 20 mA
0 % LEL
0 % LEL
0 % LEL
FULL SCALE: 100
0 % LEL
0 % LEL
0 % LEL
N
17
Press the
18
Press the
SYSTEM MENU
0 % LEL
0 % LEL
0 % LEL
DOWN
ENTER
button.
CHANNEL MENU
0 % LEL
0 % LEL
0 % LEL
button.
Press the
22
Press the
10.0
. Press the
23
ENTER
DOWN
button.
FULL SCALE: 100
button and hold to scroll to
ENTER
FULL SCALE: 10.0
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
86
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Page 92
P
Press the UP button.
24
ress the
25
UNITS: %
ENTER
button.
0 % LEL
0 % LEL
0 % LEL
UNITS: %
0 % LEL
0 % LEL
0 % LEL
Press the
28
Press the
29
ENTER
LEL
DOWN
button.
button to scroll to the
0 % LEL
0 % LEL
0 % LEL
CEL
0 % LEL
0 % LEL
0 % LEL
C.
Press the
Press the
26
Press the UP button.
27
DOWN
ENTER
button and scroll to
button.
TAG: LEL
UNITS: PPM
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
PPM
.
Press the
30
Pr
ess the
31
SETUP
UP
button.
CEL
button and scroll to L.
CLL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
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Page 93
Press the
32
Press the
33
SETUP
CL
L
DOWN
CL
2
button.
button and scroll to
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
2.
Note: The
the display is fou
UP
button
36
Press the UP button.
37
DAMPING
nd to be unstable. Press the
ZERO DB(%FS): 0
INHIBIT(MA): 3.6
may require increasing if
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the
34
Press the
35
ENTER
ENTER
button.
TAG: CL2
button.
DAMPING(S): 2
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the UP button.
38
Press the UP button.
39
SETUP WARNING
FAULT(MA): 2.0
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
88
of 116
Page 94
Press the
40
Press the
41
ENTER
ENTER
button.
WARN SET: 2.5
button.
WARN SET: 2.5
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the
44
Press the
0.4
. Press the
45
ENTER
DOWN
ENTER
button.
WARN RES
button and hold to scroll to
WARN RES: 0.4
0 % LEL
0 % LEL
0 %
LEL
button
0 % LEL
0 % LEL
0 % LEL
: 2.0
Press the
Press the ENTER
42
Press the UP button.
43
DOWN
button to scroll to
button.
WARN SET: 0.5
WARN RES: 2.0
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0.5
.
Press the
46
Press the UP button.
47
ENTER
button.
WARN RES: 0.4
WARN DLY: 0
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
89
of 116
Page 95
Press the UP button.
48
Press the UP button.
49
WARN HLD: 0
WARN LAT: NO
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
52
Press the
53
ENTER
SETUP ALARM
0 % LEL
0 % LEL
0 % LEL
button.
ALARM SET: 5.0
0 % LEL
0 % LEL
0 % LEL
Press the UP button.
50
Press the
51
ESCAPE
WARN SET: .5
SETUP WARNING
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
Press the
54
Press the
the
55
ENTER
ALARM SET: 5.0
DOWN
ENTER button.
ALARM SET: 1.0
button.
button to scroll to
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
1.0. Press
Press the UP button.
90
of 116
Page 96
Press the UP button.
56
Press the
57
ALARM RES: 4.5
0 % LEL
0 % LEL
0 %
ENTER
button.
ALARM RES: 4.5
0 % LEL
0 % LEL
0 % LEL
LEL
60
Press the UP button.
61
ALARM HLD: 0
0 % LEL
0 % LEL
0 % LEL
ALARM LAT: NO
0 % LEL
0 % LEL
0 % LEL
Press the
Press the
58
Press the UP button.
59
DOWN
ENTER
button to scroll to
button.
ALARM RES: 0.8
ALARM DLY: 0
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press
the
ENTER
0.8
.
62
Press the UP or
YES.
Press the
63
button.
ALARM LAT
DOWN
ENTER
ALARM LAT:
0 % LEL
0 % LEL
0
% LEL
button to scroll to
button.
0 % LEL
0 % LEL
0 % LEL
: NO
YES
Press the UP button.
91
of 116
Press the
64
ENTER
button.
ALARM LAT: YES
0 % LEL
0 % LEL
0 % LEL
Page 97
Press the UP button.
65
Press the
66
ALARM SET: 1.0
ESCAPE
SETUP ALARM
0 % LEL
0 % LEL
0 % LEL
button
0 % LEL
0 % LEL
0 % LEL
Press the
69
Press the UP button.
70
ESCAPE
button.
CAL LOOP INPUT
CAL LOOP OUTPUT
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
Press the UP button.
67
Press the
Input 4 mA at TB1 2,3
68
ENTER
CAL LOOP INPUT
butto
Input 4mA at TB1 2,3
0 % LEL
0 % LEL
0 % LEL
n. The display scrolls
0 % LEL
0 % LEL
0 % LEL
92
of 116
Press the
mA out = TB5 1,2
71
Press the
72
ENTER
mA out = TB5 1,2
ESCAPE
CAL LOOP OUTPUT
button. The display scrolls
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
Page 98
Press the UP button.
73
Press
74
the
ON/OFF/IHB: ON
ESCAPE
CHANNEL MENU
0 % LEL
0 % LEL
0 % LEL
button.
0 % LEL
0 % LEL
0 % LEL
77
Press the
78
SETUP
0.0 PPM CL2
0 % LEL
0 % LEL
0 % LEL
button.
* SETUP *
0 % LEL
0 % LEL
0 % LEL
Press the
75
Press the
76
ESCAPE
ENTER
button.
SAVE SETUP?
button.
SETUP SAVED
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
0 % LEL
YES
Press the
79
Press the
80
DOWN
ENTER
S
button.
button.
ECURITY MENU
0.0 PPM CL2
* SETUP *
0 % LEL
0 % LEL
0.0 PPM CL2
0 % LEL
0 % LEL
93
of 116
Page 99
Press the UP button.
81
Press the
82
ENTER
0.0 PPM CL2
CHANNEL MENU
button.
0.0 PPM CL2
ON/OFF/IHB: ON
0 % LEL
0 % LEL
0 % LEL
0 % LEL
85
Press the
86
Press the
ESCAPE
ESCAPE
0.0 PPM CL2
ON/OFF/IHB: OFF
0 % LEL
0 % LEL
button.
0.0 PPM CL2
CHANNEL MENU
0 % LEL
0 % LEL
button.
Press the
83
Press the
84
ENTER
DOWN
button.
ON/OFF/IHB:
button.
ON/OFF/IHB:
0.0PPM CL2
ON
0 % LEL
0 % LEL
0.0PPM CL2
0 % LEL
0 % LEL
OFF
87
Press the
88
ENTER
0.0 PPM CL2
SAVE SETUP?
0 % LEL
0 % LEL
button.
0.0 PPM CL2
SYSTEM SAVED
0 % LEL
0 % LEL
YES
Press the
ENTER
button.
94
of 116
Page 100
89
Press the
90
SETUP
0.0 PPM CL2
CHANNEL OFF
0 % LEL
0 % LEL
button.
* SETUP *
CHANNEL OFF
0 % LEL
0 % LEL
93
The
SECURITY MENU
programmed. Press the UP button
95
0.0 PPM CL2
CHANNEL OFF
SECURITY MENU
0 % LEL
will not be
0.0 PPM CL2
CHANNEL OFF
CHANNEL MENU
0 % LEL
Press the
91
Press the
92
DOWN
DOWN
button.
button.
CHANNEL OFF
0.0 PPM CL2
* SETUP *
0 % LEL
0 % LEL
0.0 PPM CL2
* SETUP *
0 % LEL
Press the
FULL SCALE: 100
95
Press the
96
ENTER
ENTER
button and scroll UP to
0.0 PPM CL2
CHANNEL OFF
FULL SCALE: 100
0 % LEL
button.
0.0 PPM CL2
CHANNEL OFF
FULL SCALE: 100
0 % LEL
Press the
ENTER
button.
95
of 116
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