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SL AT E
™
Limit Control Module
R8001L8001
INSTALLATION INSTRUCTIONS
Page 2
Scan for more information
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Application
SLATE™ brings configurable safety and programmable logic
together into one single platform. The platform can easily be
customized for almost any requirement or application–offering
virtually limitless development opportunities with far less
complexity.
The R8001L8001 SLATE Limit Control Module is part of the
SLATE Combustions System. The SLATE Limit Control Module
provides the ability to bring in any type of analog signal and
create limits on either pressure or temperature without needing a
UDC Controller.
Features
• 12 limit blocks with each block monitoring any sensor or pair
of sensors
• One limit module for multiple burner controls
• 4 sensors available for Limit Block use (2 sets of redundant
safety inputs)
• Unused Analog Cells available for general purpose I/O
configuration
• Redundant limit relay output
Specifications
Electrical Ratings:
See Table 3–Table 7.
Environmental Ratings
Ambient Temperature:
Operating: -20°F to +150°F (-29°C to +66°C).
Shipping: -40°F to +150°F (-40°C to +66°C).
Humidity: 95% continuous, noncondensing.
Vibration: 0.5G environment
Dimensions: See Fig. 1
: 2 lb 1 oz (0.94 Kg)
Weight
SLATE™ LIMIT CONTROL MODULE 3
R8001L8001
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Approvals
M35382
Underwriters Laboratories Inc. Listed, File: MP268
IRI Acceptable
Federal Communications Commission: Part 15, Class A
Must be mounted inside a grounded metal enclosure.
Mounting
DIN Rail (See Fig. 2)
Required Components
R8001A1001 SLATE Base Controller
R8001S9001 SLATE Sub-Base Module
R8001B2001 SLATE Burner Control Module
7-3/32
(181)
2-11/16 (68)
4-19/32 (117)
Fig. 1.
Dimensions in in. (mm).
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LED Array
There are four LEDs on the front of the Limit Control Module
that provides quick identification of the system status and any
problems that might occur. The status is broadcast to other
modules on the platform bus in case they are affected by the
inoperable modules.
The LEDs on the module are for the sensors, the inputs and
outputs, and for the Reference V.
Terminals 18 and 19 are the limit contacts.
Terminals 20 and 22 are reference voltage terminals to indicate to
the Limit Module what reference voltage it’s operating at.
LED Color Description
Power
CPU
Fault
Table 1. LED Descriptions.
No light System does not have power
Green System has power
Red No wire sheet or problem with the
wire sheet
Green Running
Red Fault
No light Running
LED Display
The SLATE system modules have a seven-segment, threeposition LED display used for indicating the module number of
the SLATE system. The LED colors indicate the terminal state as
shown in Table 2.
Color Description
Green Terminal is on
Red Fault
No light Not in use
Table 2. Terminal LED Meanings.
SLATE™ LIMIT CONTROL MODULE 5
R8001L8001
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Select and Reset Buttons
The SLATE system modules have a Select and Reset buttons
located on the front of the module and beneath the segment
display. The Reset button is used to clear a lockout and reset the
module. The Select button is used to scroll through the segment
display information.
Installation
WARNING
Fire or Explosion Hazard
Can cause severe injury, death, or property damage.
Verification of safety requirements must be performed
each time a control is installed on a burner to prevent
possible hazardous burner operation.
When Installing This Product
1. Read these instructions carefully. Failure to follow them could
damage the product or cause a hazardous condition.
2. Check the ratings given in the instructions and on the product
to make sure the product is suitable for your application.
3. After installation is complete, check out the product operation
as provided in these instructions.
4. The SLATE module must be mounted in an electrical
enclosure with adequate clearance for servicing, installation
and removal of modules.
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WARNING
Electrical Shock Hazard.
Can cause severe injury, death or equipment damage.
1. Disconnect the power supply before beginning installation to
prevent electrical shock and equipment damage. More than
one power supply disconnect can be involved.
M35383
Fig. 2.
Installing the Limit Control Module on the Sub-Base Module.
2. Wiring must comply with all applicable codes, ordinances and
regulations.
3. Wiring must comply with NEC Class 1 (Line Voltage) wiring.
SLATE™ LIMIT CONTROL MODULE 7
R8001L8001
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IMPORTANT
1. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance
with these instructions, may cause interference for radio
communications. It has been tested and found to comply
with the limits of a Class A computing device of part 15
of FCC rules, which are designed to provide reasonable
protection against such interference when operated in a
commercial environment. Operation of this equipment in a
residential area may cause interference; in which case, the
user, at their own expense, may be required to take whatever
measures are required to correct this interference.
2. This digital apparatus does not exceed the Class A limits for
radio noise, set out in the Radio Interfeence Regulations of
the Canadian Department of Communications.
3. For combination gas-oil burner applications, a double pole,
double throw (dpdt) fuel select switch is required.
4. Cable shield must be terminated to ground at both ends. If
shielded cable is NOT used, use three-wire twisted cable.
Wiring
WARNING
Electrical Shock Hazard.
Can cause severe injury, death, or equipment
damage.
Disconnect the power supply from the main disconnect
before beginning installation to prevent electrical shock
and equipment damage. More than one disconnect can
be required.
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M35285
LIMIT MODULE
4 SENSORS
12 LIMIT BLOCKS
2 DUAL LIMITS
SAFETY RELAY
A
UNIVERSAL
LOW VOLTAGE
CELL
1
2
+
_
3
4
SAFETY
RELAY
LOAD
RELAY
Wiring diagram for Limit Control Module.
Fig. 3.
B
UNIVERSAL
LOW VOLTAGE
CELL
C
UNIVERSAL
LOW VOLTAGE
CELL
D
UNIVERSAL
LOW VOLTAGE
CELL
BIAS
5
6
+
_
7
8
9
10
+
_
11
12
13
14
+
_
15
16
FROM
17
POWER
18
TO
19
LOADS
20
VREF+
21
22
VREF–
SLATE™ LIMIT CONTROL MODULE 9
R8001L8001
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Terminal Description Rating
1 Cell A (T1) See Table 4–7 for conguration options
2 Cell A (T2) See Table 4–7 for conguration options
3 Cell A (T3) See Table 4–7 for conguration options
4 Cell A (T4) See Table 4–7 for conguration options
5 Cell B (T5) See Table 4–7 for conguration options
6 Cell B (T6) See Table 4–7 for conguration options
7 Cell B (T7) See Table 4–7 for conguration options
8 Cell B (T8) See Table 4–7 for conguration options
9 Cell C (T9) See Table 4–7 for conguration options
10 Cell C (T10) See Table 4–7 for conguration options
11 Cell C (T11) See Table 4–7 for conguration options
12 Cell C (T12) See Table 4–7 for conguration options
13 Cell D (T13) See Table 4–7 for conguration options
14 Cell D (T14) See Table 4–7 for conguration options
15 Cell D (T15) See Table 4–7 for conguration options
16 Cell D (T16) See Table 4–7 for conguration options
17 Unused ---
18 Safety Relay
(dry contacts)
9.8 FLA, 58.8 LRA @ 120VAC,
4A (0.5 PF), 20A inrush @ 240VAC,
2A cont, 10A inrush @ 24VDC
19 Safety Relay
(see Terminal 18 above)
(dry contacts)
20 Vref+ 24VDC (0.1mA),
24VAC (0.1mA),
85-264VAC (0.2mA)
21 Unused ---
22 Vref- (see Terminal 20 above)
Table 3. Terminal Ratings.
Note: only one conguration option per cell is allowed for cells
congured as a Limit Block.
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Basic Functions Min Typical Max Units
In Range 0.0 - 15.0 VDC
Resolution
- 2.43 - mV DC
Null -25.0 - 25.0 mV DC
Accuracy -25.0 - 25.0 mV DC Whichever is
Voltage
Out Range 0.0 - 15.0 VDC
-1.0 - 1.0 %
greater
Resolution - 4.0 - mV DC
Null 100.0 - 100.0 mV DC
Accuracy -50.0 - 50.0 mV DC Whichever is
T1
-1.5 - 1.5 %
In Range 0.0 - 25.0 mA DC
greater
a
Resolution - 7.4 - uA DC
Null -0.5 - 0.5 mA DC
Accuracy -1.5 - 1.5 % 0 to 25 mA
Current
b
Range 0.0 - 25.0 mA DC Max Load =
Out
Resolution
- 4.0 - mA Ω
500 Ω
Null -0.5 - 0.5 mA DC
Accuracy -300.0 - 300.0 uA DC 0 to 25 mA
-50.0 - 50.0 uA DC 4 to 20 mA
In Amplitude 0.0 - 15.0 VDC
Trip Point - 3.0 - VDC Comparator
T2 Voltage
Hysteresis
Resolution
- 0.25 - VDC
- 0.37 - mV DC
Only
Null -25.0 - 25.0 mV DC
Accuracy -25.0 - 25.0 mV DC
In Range 0.0 - 15.0 VDC
Voltage
T3
Current
Resolution
Null -25.0 - 25.0 mV DC
Accuracy -25.0 - 25.0 mV DC
In Range 0.2 - 25.0 mA DC
Resolution - 3.7 - uA DC
Null -0.5 - 0.5 mA DC
- 0.37 - mV DC
Accuracy -1.5 1.5 % 0 to 25 mA
a
T1 input terminal is held at constant 2.5VDC over allowable current
range.
b
Accuracy specification given is for 100 Ω load. Resolution specification
can be converted to mA by dividing out load.
Table 4. Specifications for Basic Cell Functions.
Specifications based on worst case over ambient temperatures.
SLATE™ LIMIT CONTROL MODULE 11
R8001L8001
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Complex Functions Min Typical Max Units
Thermocouple
T2 & T3Type J Range -200.0 1025.0 °C
Resolution - 0.1 - °C
Accuracy -5.0 - 5.0 °C
Type K Range -150.0 - 1000.0 °C
Resolution - 0.1 - °C
Accuracy -5.0 - 5.0 °C
T3 &
T4
RTD
Type PT100
a
Range -135.0 - 250.0 °C 3 wire, 100 Ω
Resolution - 0.5 - °C
Accuracy -2.0 - 2.0 °C
Type PT1000 Range -135.0 - 250.0 °C 3 wire, 1000 Ω
Resolution 0.5 °C
Accuracy -2.0 - 2.0 °C
NTC
T3 & T4Type 10K Range
b
- 175.0 °C T4 rated to 0 °C
-40.0
Resolution - 0.1 - °C
c
Accuracy
-2.0 - 2.0 °C -40 °C to 25 °C
-1.0 - 1.0 °C 25 °C to 125 °C
-1.5 - 1.5 %
-3.0 - 3.0 °C 125 °C to 175 °C
a
Shielded cable required for reliable operation in noisy environment.
b
NTC on terminal T4 is rated down to 0 °C.
c
Temperatures refer to sense range.
Table 5. Specifications Cell Complex Functions.
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Frequency / PWM
Functions
PWM Out
T1 Amplitude 5.0 - 10.0 VDC Low output state = 0V
Frequency 100.0 - 1000.0 Hz
Duty Cycle 2.0 - 98.0 %DC Allowable output %DC
Resolution - 1.0 - %
Accuracy -0.5 - 0.5 %DC 10V amplitude
Frequency In
T2 Amplitude 5.0
Range 2.0 - 1000.0 Hz
Min. “on” pulse width
(low %DC)
Min. “off” pulse width
(high %DC)
Duty
Cycle
Resolution
Accuracy -5.0 - 0.0 % Whichever is greater
PWM In
T2 Amplitude 5.0
Frequency 125.0 - 500.0 Hz
Min. “on” pulse width
(low %DC)
Min. “off” pulse width
(high %DC)
Duty
Cycle
Resolution
Accuracy 125 Hz -1.5
Table 6. Specifications for Cell Frequency Functions.
2 – 100 Hz2.0 - 98.0 %DC 10V amplitude
1000 Hz 5.0
125 – 500 Hz5.0
500 Hz -7.5
Min Typical Max Units
10.0 15.0 VDC
- 50.0 - usec 10V amplitude
- 130.0 - usec 10V amplitude
- 85.0 %DC 10V amplitude
- 1.0 - Hz
-1.0 - 0.0 Hz
10.0 15.0 VDC
- 50 - usec 10V amplitude
- 130 - usec 10V amplitude
- 90.0 %DC 10V amplitude
- 1.0 %DC
- 1.5 %DC 10V amplitude
- 7.5 %DC 10V amplitude
SLATE™ LIMIT CONTROL MODULE 13
R8001L8001
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Configuration Min Optimum Range for Performance Max
Thermocouple J -50°C
K -50°C
RTD -135°C
NTC 25°C
Current Out 4 mA
Voltage: In / Out 2 V
Table 7. Suggested Sensor Selection based on Application.
1025°C ± 4 °C
1000°C ± 4 °C
250°C ± 2 °C
125°C ± 1°C
20 mA ± .05 mA
10 V 0.3 %,
typical
Application Recommended Wire
Size
Line voltage
terminals
14, 16 or 18 AWG copper conductor, 600 volt
insulation, moisture-re-
Recommended
Part Numbers
TTW60C,
THW75C,
THHN90C
sistant wire.
Other terminals
18 AWG wire insulated for voltages and
temperatures for given
TTW60C,
THW75C,
THHN90C
application.
Table 8. Recommended Wire Sizes and Part Numbers.
Recommended Grounding Practices
Use an Earth ground or a signal ground as described below.
Earth ground (Base, Rectification Flame Amp Module,
other modules optional)
1. Use to provide a connection between the base and the
control panel of the equipment. Earth ground must be capable
of conducting enough current to blow the breaker in the event
of an internal short circuit.
2. Use wide straps or brackets to provide minimum length,
maximum surface area ground conductors. If a leadwire is
required, use 14 AWG copper wire.
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3. Make sure that mechanically tightened joints along the ground
path are free of nonconductive coatings and protected against
corrosion on mating surfaces.
Signal ground
Note the 18V system ground is not electrically connected to earth
ground. Follow local codes and appliance recommendations to
determine if this should be connected to earth ground.
Be sure loads do not exceed the terminal ratings. Refer to the
labels or terminal ratings in Table 2.
The SLATE system must be mounted in an electrical enclosure.
When mounting in an electrical enclosure, provide adequate
clearance for servicing, installation and removal of SLATE
modules.
The maximum leadwire length is 300 feet to terminal inputs
(Control, Running/Lockout Interlock).
SLATE™ LIMIT CONTROL MODULE 15
R8001L8001
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Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
customer.honeywell.com
® U.S. Registered Trademark.
© 2014 Honeywell International Inc.
32-00007—03 M.S. Rev. 12-14
Printed in U.S.A.
For more information and detailed instructions on the R8001L8001
and the entire SLATE system please refer to the SLATE User Guide
located on our website at http://combustion.honeywell.com/SLATE
32-00007-03
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