Alarm Text ......................................................................................................................................... 36
Edit Event Text ................................................................................................................................... 36
User Calibration ................................................................................................................................. 61
Full Calibration ................................................................................................................................... 62
Aux Input Module Offset Correction ................................................................................................ 64
Section 3 – 9120 Web Pages .................................................................................................... 66
Appendix A - PID Loop Factory Default Configurations ............................................................. 71
Appendix B – Changing the Date/Time on the Touchscreen ..................................................... 74
Appendix C - Typical Electrical Drawing ................................................................................... 75
Appendix D - Spare Parts ......................................................................................................... 76
Appendix E – Installing SD Recorder ........................................................................................ 77
Appendix F – Flash Card Management .................................................................................... 79
Revision History ...................................................................................................................... 80
4586 – 9120 With Touch Screen Interface Page 4 of 80
SSi 9120 Touchscreen Interface
Section 1 – 9120 Touchscreen Interface
Safety:
•
Safety Symbols
meaning:
•
Grounding of the temperature sensor shield
replace the temperature sensor while the controller is still powered up. Under these
conditions, as additional protection against electric shock, it is recommended that the shield of
the temperature sensor be grounded.
of the machine
•
Installation requirements for EMC
certain installation precautions are necessary. When using relay or triac outputs, it may be
necessary to fit a filter suitable for suppressing the emissions. The filter requirements will
depend on the type of load. For typical applications, it is recommended to use Schaffner
FN321 or FN612.
•
Routing of wires
be routed away from high-current power cables. This will minimize the pick-up of electrical
noise. When it is impractical to do this, use shielded cables with the shield grounded at one
end.
- Various symbols are used on the instrument. They have the following
!
Caution (refer to the accompanying documents)
- In some installations, it is common practice to
Do not rely on grounding through the framework
.
- To ensure compliance with the European EMC directive,
- The wiring for the low voltage DC, and particularly the sensor, input should
4586 – 9120 With Touch Screen Interface Page 5 of 80
SSi 9120 Touchscreen Interface
9120 Wiring Terminals
4586 – 9120 With Touch Screen Interface Page 6 of 80
SSi 9120 Touchscreen Interface
About the Model 9120:
The SSi 9120 is a single or dual loop blind controller/signal conditioning/data concentrating device
that can be used in carbon, oxygen, millivolt, SSi redundant probe, simple nitriding and universal
dual loop applications. The 9120 is supplied with Ethernet communications capability and has a
limited web server for thin client control and supports ModbusTCP host communications. Serial
I/O includes two (2) RS-232 ports and three (3) RS-485 ports. As a data concentrator, the 9120
is capable of communication to SSi's analog input modules as well as up to 25 slave serial
instruments and supports host communications via Modbus over RS232 or RS485 or ModbusTCP
communications.
The SSi 9120 Controller is a single or two loop device that can be configured to be used for
control of:
% Carbon
Dew Point
Oxygen
Millivolt
Redundant Probe
Simple Nitrider
Dual Loop
Temperature Mode
Electrical Installation:
The Model 9120 comes mounted on a DIN rail, pre-wired and tested. AC power needs to be
connected to the 24VDC power supply. See the section
required connections.
Typical Electrical Drawing
for other
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SSi 9120 Touchscreen Interface
Main Overview Screen
Using the operator interface shown below you can configure the Model 9120.
The Main Overview screen will be the initial screen that is displayed when the Touchscreen is first
started up. The Main Overview screen will display each loop’s: type, setpoint, current value,
output mode, output, the activated/deactivated inputs and outputs, any messages, as well as the
Menu button and the Chart button. Any activated inputs or outputs will be lit up. In the picture
above, no inputs are activated, and outputs 0 and 7 are activated.
Note on Inputs and Outputs –
The numbering on the display starts at 0 instead of 1, so input 2 shown above is actually input 3,
and output 4 is actually output 5
unit. The red bar will display any messages.
The list of runtime messages displayed depends on the setup of the 9120 instrument.
Nitrider:
•
H2 cell communications failure – There is a problem with the communications with
the H2 cell
% C:
•
Next burnoff in XX hours XX minutes – This will display the time left until the next
burnoff is performed. The screen will also display any burnoff messages, such as the
current remaining time of a burnoff, if a burnoff is being performed.
Redundant Probe:
•
Probe n active – indicates which probe is selected. This message may be followed by:
o
Selection n forced by digital input – Indicates that the selected probe has
been forced by digital input. Digital input 1 selects probe 1; input 2 selects probe
2.
o
User controlled – Indicates that the probe has been manually selected by the
operator.
. Any activated output will also be lit up on the Touchscreen
4586 – 9120 With Touch Screen Interface Page 8 of 80
SSi 9120 Touchscreen Interface
o
Out of band condition detected – Indicates that the current probe has just
gone out of band
o
Changing to probe n in
selected in the time frame provided. The message will count down while the timer
is active.
•
Both inputs less than 950 mV – Neither probe can be selected when both inputs are
less than 950 mV.
•
Input n over 1300 mV – The indicated input is over range.
•
Both inputs over 1300 mV – Both inputs are over range.
•
Probe Deviation – The selected alarm is active. See the alarms section for instructions
on setting up the alarms.
The list of error conditions is:
•
Alarm 1, Alarm 2, or Alarm 3 – The selected alarm is active. See the alarms section for
instructions on setting up the alarms.
alarm is active regardless of the 9120’s setup
The Menu button will display the menu options that will allow the user to configure the 9120
unit. The Chart button will display the chart screen. See the
instructions on the menus and the Chart Screen.
sss
seconds – Indicates that the specified probe will be
Note: The alarm text will always be displayed if an
.
Menus Screens
sections for
4586 – 9120 With Touch Screen Interface Page 9 of 80
SSi 9120 Touchscreen Interface
Menu Screens
The menu screen will allow the user to configure the 9120 unit, based on the login level. When
the menu list is first displayed, the
user will be automatically logged in at
the Operator-level. The number of
menus will vary based on the login
level. The default login for
Supervisor is a 1. The default login
for Administrator is 2. The Operator–
level will have the following menu
items:
•
System Information
•
Alarm Log
•
Event Log
•
Shut down interface
•
Burnoff
•
Slave Communications
Status
•
Auxiliary Analog Input
The Supervisor-level will have the following menu items:
•
Alarm Log
•
Event Log
•
Shut down interface
•
Burnoff
•
Slave Communications Status
•
Auxiliary Analog Input
•
PID Loop Setup
•
Burnoff Setup
•
Relay Assignments
•
Redundant Probe Setup
The Administrator-level will have the following items:
•
Alarm Log
•
Event Log
•
Shut down interface
•
Burnoff
•
Slave Communications Status
•
Auxiliary Analog Input
•
PID Loop Setup
•
Burnoff Setup
•
Relay Assignments
•
Redundant Probe Setup
•
Communications Setup
•
Furnace Setup
•
Instrument Assignments
•
Analog Input Setup
•
Analog Output Setup
4586 – 9120 With Touch Screen Interface Page 10 of 80
SSi 9120 Touchscreen Interface
•
Alarm Setup
•
Aux Analog Input Setup
•
Calibration
•
Tuning Assistant
•
Configuration
There is also an SSi-special-level that can only be accessed with the passcode that can be
provided by Super Systems Inc at 800-666-4330. Currently, the menu list for this level is the
same as the list for the Administrator-level. To select a menu item, highlight the item by clicking
on it and pressing the Detail button. The Login button will allow the user to login as a different
access level. The Return button will allow the user to return to the main screen.
System Information
This screen will display some general system
information about the 9120 Touchscreen. This screen
will be useful for troubleshooting when communicating
with an SSi representative. This screen will display the
9120 instrument’s version number, the Touchscreen
software’s version number, SSi’s phone number, and a
link to the SSi website.
Alarm Log
This screen will display any
active alarms, as well as
any historical alarms. When
the “Active” check box is
checked, the screen will
display only the active
alarms. When the checkbox
is unchecked, the screen
will display historical alarms.
The historical alarms can be
displayed by day using the date control and the green arrow buttons.
Event Log
This screen will display any
active events, as well as any
historical events. When the
“Active” check box is checked,
the screen will display only the
active events. When the
checkbox is unchecked, the
screen will display historical
4586 – 9120 With Touch Screen Interface Page 11 of 80
SSi 9120 Touchscreen Interface
events. The historical events can be displayed by day using the date control and the green arrow
buttons.
Shut down interface
This option will shut down the 9120 unit interface.
This option should be used before turning off the
power to the 9120 unit to verify that all the
information has been saved. The user will need to
verify the shutdown process. Once the interface
has been shut down, it can be restored simply by
cycling power to the unit, or by pressing the reboot
button on the screen, circled in red on the picture.
Burnoff
When a probe is in a furnace, soot will collect in the
end of the probe, which will have a negative effect on
the performance of the probe. Burnoffs are used to
clean out the built-up carbon by burning it off of the
probe. This screen will display: the current millivolts,
T/C temperature reading, the start millivolts and start
T/C temperature reading, the date of the last burnoff,
the last minimum millivolts reading, and the last
maximum T/C temperature reading. The last line will
display the status of the burnoff. The options can be:
Burnoff, Burnoff Recovery, or Idle. The burnoff
settings can be modified in the
option.
Slave Communications Status
This page is a display of the current process variables
of each of the slave instruments communicating with
the 9120 controller.
be modified on this screen
be set up in the
Note – None of these values can
. The slave instruments can
Instrument Assignments
menu option.
Burnoff Setup
menu
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SSi 9120 Touchscreen Interface
A [N/A] displayed means that the slave instrument has not been set up yet. A Bad means that
communications are not functioning properly or that the instrument has been set up improperly.
Note: Twenty-five (25) slave instrument statuses will be displayed on this screen
.
Auxiliary Analog Input
This menu option shows the process variables for the
auxiliary analog inputs of the 9120 controller.
None of these values can be modified on this screen
The auxiliary analog inputs can be set up in the
Analog Input Setup
menu option.
Note –
.
Aux
PID Loop Setup
PID is the tuning parameters entered for each Process Variable loop.
Prop Band (0 for On/Off)
This is the proportional band field. This
represents the P in PID. P = Proportional.
This is a field in which you want the process
variable to stay around the setpoint. Clicking
on the value will allow the user to change the
value. The range for the proportional band
value is 0 – 9999.0.
Reset
This is the reset field. This represents the I in
PID. I = Integral. This is the actual
temperature being monitored over a period of
time and then averaged to keep within the
Proportional band. The reset is in repeats per minute. This helps to eliminate offset. Clicking on
the value will allow the user to change the value. The reset range 0 – 10000.00.
Rate
This is the rate field. This represents the D in PID. D = Derivative. This is the sudden change or
rate in the temperature. This rate is in minutes. This affects the controller output which is
proportional to the rate of change of the measurement and will control the amount of output by
time restraints. Thus derivative takes action to inhibit more rapid changes of the measurement
than proportional action. Derivative is often used to avoid overshoot. Clicking on the value will
allow the user to change the value. The range for the rate is 0 – 10000.00. The rate is not
typically used for heating/carbon.
Mode
This is the mode of the loop. Clicking on the value will allow the user to change the value.
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SSi 9120 Touchscreen Interface
The following is an explanation of the dual/single and direct/reverse properties:
Dual – This has two output relays which can increase and decrease to achieve your SP.
Single – This has one relay which works in only one direction to achieve your SP.
Direct - If the PV - SP is a positive number and the output would bring the PV down toward
setpoint, then that is direct.
Reverse – If the PV - SP is a negative number and the output would bring the PV up toward
setpoint, then that is reverse
Example: If a 12 mA output drives a 0 degree F temp. (PV) up to a 1200 degree F temp. (SP),
this would be REVERSE, and since this would take a SINGLE output from the controller, the Mode
for the Temperature Loop is Single Reverse.
The mode values can be:
Dual Reverse
Single Reverse
Dual Direct
Single Direct
Integral Preset
This field provides an offset for the starting point for PID control, also referred to as “Load Line”
or “Manual Reset”. Clicking on the value will allow the user to change the value. The range for
the integral preset is -100 to 100.
Cycle Time
Clicking on the value will allow the user to change the value. This field is typically set to the valve
travel time multiplied by 1.5. The cycle time range can be 0 – 500.
Setpoint Change Limit
This is a smart time feature that allows the Process Loop to use PB only without Reset until the
Process Variable drops below the percent output set under this category.
It is used to eliminate overshoot.
The Output percentage selected under this category
must
be above the normal operating output
percentage of the furnace at heat.
Clicking on the value will allow the user to change the value.
Example – if the furnace runs at 40% output at heat for the maximum load, the setpoint change
limit should be set to 60%
.
The value can be:
OFF
80 %
70 %
60 %
50 %
40 %
30 %
20 %
Low Limit
This is the low limit field. Clicking on the value will allow the user to change the value. The range
is –100 to 100.
4586 – 9120 With Touch Screen Interface Page 14 of 80
SSi 9120 Touchscreen Interface
High Limit
This is the high limit field. Clicking on the value will allow the user to change the value. The
range is –100 to 100.
0 Setpoint Stops Control
If the Setpoint is zero, then all outputs are turned off. Clicking on the value will allow the user to
change the value. The option is either Yes or No.
IN1 high stops control
If input 1’s high limit is reached, then all outputs are turned off. The value can either be Yes or
No.
IN2 high stops control
If input 2’s high limit is reached, then all outputs are turned off. The value can either be Yes or
No.
IN3 high stops control
If input 3’s high limit is reached, then all outputs are turned off. The value can either be Yes or
No.
PID Auto Switch
This is the PID auto switch field. The value can either be Yes or No.
Switch Point PID 1 -> 2
This is the PID Switch Point field. The range is –500 to 4000.
Switch Point PID 2 -> 3
This is the PID Switch Point field. The range is –500 to 4000.
Overshoot Limit Gain
This is the Overshoot limit gain field. When calculating the control action sometimes the
calculation would call for more than 100%, which is not possible. The output is limited to 100%,
or whatever was set in the High Limit field. The difference of the unlimited minus the limited is
multiplied by the overshoot limit gain and divided by 100. This is subtracted from the control
output. If the gain is 0 there is no effect. Under normal control, the unlimited equals the limited
and there is no effect. If there is a big change where the control loop drives hard, then the effect
is to limit the drive as it approaches setpoint and limit the overshoot.
The limited is the values set in the upper and lower limits fields. The unlimited would be what is
calculated before limiting. For a big setpoint change, the calculations may compute 150%
output, but the true output is limited to the upper limit. The range is 0 to 9999.
Setpoint Lower Limit
This is the setpoint lower limit for the loop. The range is -500 to 4000.
Setpoint Upper Limit
This is the setpoint upper limit for the loop. The range is -500 to 4000.
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SSi 9120 Touchscreen Interface
Use Input 3 as remote SP
This will allow the user to use input 3 as a remote setpoint. The options are: yes or no.
Control Input
This will allow the user to view the input that will act as a control T/C. This setting is fixed and cannot be
changed by the user.
Burnoff Setup
This menu option allows the user to
modify the settings that are associated
with the probe burnoff (menu option
Burnoff
).
Burnoff Time (sec)
The amount of time from the beginning of
the burnoff to the end of the burnoff
measured in seconds. The range is 0 to
600.
Burnoff Recovery Wait Time (sec)
The amount of time allotted to allow the
probe measurements to return to a stable,
accurate range after the burnoff is
complete. This is measured in seconds.
The control output is held until this time is
elapsed. The range is 0 to 300.
Burnoff Interval (min)
The amount of time between the beginning of one burnoff and the beginning of the next scheduled burnoff
measured in minutes. The range is 0 to 10080.
Burnoff Minimum Millivolts
The minimum measured millivolt tolerance of the probe required to start a burnoff. If the millivolts value is
exceeded
The range is 0 to 2000.
the burnoff will stop
. This is done to help maintain the life and the accuracy of your probe.
Burnoff Maximum Temperature
The maximum measured temperature allowed during a burnoff. If the temperature value is
exceeded
the burnoff will stop
. This is done to help maintain the life and the accuracy of your
probe. The range is 0 to 4000.
Relay Assignments
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SSi 9120 Touchscreen Interface
This screen will display a description of
the eight relay assignments. The eight
“Outputs” on the front of the unit
represent the eight relay assignments,
where Output #1 = Relay Assignment 1,
etc. Most of the relay assignments are
fixed in the unit. Relay 1 is the loop 2
control relay. Relay 2 is the input 2 high
limit relay. Relay 3 is the loop 1
increase relay. Relay 4 is the loop 1
decrease relay. Relay 6 is the probe
burnoff relay. Relay 8 is the any alarm
relay. Relay 7 is the only relay that can
be assigned.
Redundant Probe Setup
This menu option will allow the user to configure the 9120 for RPS functionality.
Alarm band (mV)
This is the millivolt difference that must be observed for the RPS to change probes. For example,
when the RPS is selecting the highest
probe with probe 1 as 1055 mV and a
band of 20 mV, and if probe 2 hits 1076
mV, the RPS will start counting down the
Alarm Delay timer (below). When the
delay times out, probe 2 would be
selected. If probe 2 comes back in band
(drops to 1075), the timers starts over
again. The range is 0 to 600.
Alarm delay (min)
This is the number of minutes that the
RPS waits to switch probes when an outof-band condition is detected.
Note There is a 950 mV low limit for an alarm.
This condition is typically found during a
burnoff, so the alarm will not be active
when the input drops below 950 mV
The range is 0 to 9999.
Selected Probe
Indicates which probe is selected.
(below) is set to no auto switch
based, so “0” = probe 1 and “1” = probe 2
.
Note – This field is only editable when the Probe select mode
. The options are: 0 or 1.
.
Note – The number of the probe is 0-
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SSi 9120 Touchscreen Interface
Probe select mode
This determines how the specified probe is selected. The options are: highest mV, lowest mV,
or no auto switch (manual mode).
Communications Setup
This menu option will allow the user to
configure the communications settings
for the 9120 unit.
It is strongly
recommended that none of these
settings be modified without
assistance from Super Systems at
800-666-4330
RS-232B Baud
This will allow the user to set the RS232B baud rate.
Slave 2 Mode
This will allow the user to set the Slave 2 mode. The options are: MMI, Modbus, ADAM, SSi
Analog Input Board, or Yokogawa.
.
This setting is fixed to Modbus for the
IP Address
This option will allow the user to modify
the IP address of the
only. The address must be supplied in a
999.999.999.999 format, or it will not be
accepted. Contact Super Systems at 800666-4330 or your IT department before
changing any of the IP addresses. Note –
Communications may go down once the IP
address has been changed and before the
rest of the settings, i.e. the
menu
have been updated.
Communication Setup
9120 Instrument
Configuration
menu,
4586 – 9120 With Touch Screen Interface Page 19 of 80
SSi 9120 Touchscreen Interface
Subnet Mask
This option will allow the user to modify the IP subnet mask of the
address must be supplied in a 999.999.999.999 format, or it will not be accepted. Contact Super
Systems at 800-666-4330 or your IT department before changing any of the IP addresses.
Gateway
This option will allow the user to modify the IP gateway of the
address must be supplied in a 999.999.999.999 format, or it will not be accepted. Contact Super
Systems at 800-666-4330 or your IT department before changing any of the IP addresses.
Furnace Setup
This screen will allow the user to
configure the furnace settings. Do not
make any adjustments on this screen
without first contacting Super Systems
Inc at 800-666-4330.
Date and Time
This option will allow the user to
change the current date and time
the 9120 controller
screen.
The date and time that is
, not the touch
on
9120 Instrument
9120 Instrument
only. The
only. The
recorded on the flash card (and,
therefore, the datalog data) is the
date and time of the Advantech
display, not the 9120 instrument.
To change the date and time of
the touch screen, see
– Changing the Date/Time on the Touchscreen.
will be the system time of the Touchscreen, not the current time on the 9120 instrument
PVT Type
The PVT type is the mode the device runs in (Carbon, Dewpoint, etc.). The mode selected
determines the calculations and scaling for the Process Variable.
The values for the PVT type are:
This value determines the specific temperature scale to be used. Clicking on the value will allow
the operator to change the value. It can be either Degrees
Web Level 1 Code
Appendix B
Note – The initial date and time displayed
.
°°°°
F or degrees
°°°°
C.
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SSi 9120 Touchscreen Interface
This value is the supervisor-level passcode for any web-based operations with the 9120
controller. Clicking on the value will allow the operator to change the value. The range for the
passcode is -32767 to 32767.
Web Level 2 Code
This value is the administrator-level passcode for any web-based operations with the 9120
controller. Clicking on the value will allow the operator to change the value. The range for the
passcode is -32767 to 32767.
Web Change Enable
This will either enable or disable the web change feature, which will allow changes to be made
over the web page for the 9120 controller. Clicking on the value will allow the operator to change
the value. Select either a 0 (Web Change Disable) or a 1 (Web Change Enable).
O2 Mode
This value will allow the operator to select the oxygen mode.
Clicking on the value will allow the operator to change the value.
The options are:
% with control
Monitor
Offset log with control
Sample Pump Mode
This menu option will allow the user to turn the sample pump On or Off. For the HP PVT types
(% Carbon, Dewpoint, Oxygen, Millivolt, and Redundant Probe), there is the option to set
a minimum temperature in order for the pump to run. See the “Minimum Temp/Pump Run”
description below.
Minimum temp/pump run
This option will set the minimum temperature for the pump to run, if that feature is used. A 0
value will disable the minimum temperature feature.
Note - The furnace that is being sampled
must have its temperature connected to input 3 for the pump minimum temperature feature to
. The range is 0 to 32767.
work
Remote Setpoint
This option will allow the user to select where the remote setpoint will come from. The options
are:
Remote Setpoint Hysteresis
This option will allow the user to enter the remote setpoint hysteresis. The range is 0 to 32767.
Loop 2 PV source
4586 – 9120 With Touch Screen Interface Page 21 of 80
SSi 9120 Touchscreen Interface
This option will allow the user to select the loop 2 PV source. The options are: Input 3 or Input
2.
Instrument Assignments
This menu option will allow the user to
set up the slave instruments for the
9120.
** All devices on the same slave port
must utilize the same protocol
** An address of zero (0) will disable
the instrument**
Some controllers (AC20, for example)
can provide dual functions (atmosphere
and events) and must have the same
address assigned for both.
Instruments
The 9120 unit breaks down the
instruments into three different types:
atmosphere, temperature, and event.
The atmosphere instruments are listed with a blue background. The temperature instruments are
listed with a pink background. The event instruments are listed with a yellow background. The
following is the list of instruments available as slave instruments:
4586 – 9120 With Touch Screen Interface Page 22 of 80
SSi 9120 Touchscreen Interface
Dualpro LP2 MMI Eurotherm 2704 LP3 Yokogawa UP350
Eurotherm 2402 VC Base 1 Honeywell DCP551
Eurotherm 2500 VC Base 2 Ascon 08
Unipro v3.5 VC Base 3
Unipro v3.0 VC Base 4
Carbpro v3.5 Slave AIPC
Carbpro v3.0 Slave SSi 7SL
10Pro AEC Flow Board
Dualpro IN C UMC800 LP1
Event Instruments
SSi AC E
Yokogawa 750E
Mod Mux
Dualpro E Modbus
Dualpro E MMI
Carbpro E v3.5
Carbpro E v3.0
Eurotherm 2500
SSi 8-8
SSi 9200 E
Micrologix PLC
MCM Module
PLC5 DF1
SLC DF1
Address
This value allows the user to select the address that corresponds with the controller selected, with a range
of 0 to 255.
Port
This is the port that the slave instrument will use. The options are: Slave 1 or Slave 2.
Slave 1 – terminals 5(-), 6(+)
Slave 2 – terminals 22(+), 23(-).
Analog Input Setup
The 9120 controller has two analog
inputs. Each of the inputs comes with
a factory default configuration
dependent on the application (refer to
PVT type under the
Furnace Setup
section). It can be modified prior to
shipment to your facility or in the field
by a technician or qualified/trained
person with the proper security code.
Analog Input Terminals:
Analog Input 1 – terminals 31 and 32
Analog Input 2 – terminals 29 and 30
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SSi 9120 Touchscreen Interface
Input Type
The thermocouple type for most applications can be modified depending on your specific needs.
Please note that in some applications, some of the inputs DO NOT allow the user to modify the
Input type.
necessary
input type to a 10:1 setting (non-thermocouple types)
which input you want to change by selecting it in the pull-down menu at the top of the screen.
Once selected, click
The following is a list of the options:
T/C B T/C S 12.5 volts ***
T/C C T/C T 781.25mv
T/C E 2.56 volts 195.3125 mV
T/C J 1.28 volts
T/C K 78.125 mV
T/C N 19.53125 mV
T/C NNM 4-20 mA ***
T/C R 25 volts ***
***
Note - Before changing the input type, make sure to set the appropriate jumpers, if
.
The jumper will need to be manually changed on the input board before changing the
. To change the Input type, first select
OK
and the displayed Input type under Value will be the current type.
When the specified input type is selected, a jumper located inside the case will
need to be placed on that specific input for reading this selection. If jumper is not
placed on input, then damage could occur to the board
Filter time
The filter time is a factory applied averaging tool used to help maintain steady control in high EMI
environments. The filter time should not be adjusted with consulting SSI. The range is 0 to
32767.
Initial Scale
This is the initial scale value. Clicking on this value will display an input box from which the user
can select a new value. This could also be referred to as the starting value. For example, the
initial value is the value when 0 volts is on the selected input; or on a 4-20 mA input, it would be
the value at the selected input of 4 mA. The range is –32768 to 32767.
Full scale
This is the full scale value. Clicking on this value will display an input box from which the user
can select a new value. The range is –32768 to 32767.
Decimal Point Location
This is the decimal point location value. Clicking on this value will display an input box from
which the user can select a new value. This will affect the PV value and the location of the
decimal when it is displayed. The range is 0 to 4.
Open TC behavior
This is the open TC value. The options are: up scale, down scale, one trip point, or two trip
points.
Input Offset
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4586 – 9120 With Touch Screen Interface Page 24 of 80
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