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ControlLogix Voltage/Current Output Module
15
Publication 1756-5.42 - September 1999
1756-OF4 Specifications
Number of Outputs
4 current or 4 voltage output channels
Module Location
1756 ControlLogix Chassis
Backplane Current
150mA @ 5.1V dc & 120mA @ 24V dc
(Total backplane power 3.65W)
Power Dissipation within Module
Thermal Dissipation
3.25W - 4 channel current
11.08 BTU/hr
Output Current Range
0 to 21mA
+/- 10.4V
Current Resolution
15 bits across 21mA - 650nA/bit
15 bits across 10.5V - 320
µ
V/bit
Data Format
Integer mode (Left justified, 2s complement)
Floating point IEEE 32 bit
Open Circuit Detection
Current output only (Output must be set to >0.1mA)
Output Overvoltage Protection
24V ac/dc
Output Short Circuit Protection
Electronically current limited to 21mA or less
Drive Capability
>2000
Ω
- voltage
0-750
Ω
- current
Output Settling Time
<2ms to 95% of final value with resistive loads
Calibrated Accuracy at 25°C
Calibration Interval
Better than 0.05% of range from 4mA to 21mA, -10.4V to 10.4V
Twelve months typical
Output Offset Drift with Temperature
50µV/ degree C typical
100nA/degree C typical
Gain Drift with Temperature
25 ppm/degree C maximum - voltage
50 ppm/degree C maximum - current
Module Error over Full Temp. Range
0.15% of range - voltage
0.3% of range - current
Module Scan Time for all Channels
12ms minimum floating point
8ms minimum integer
Isolation Voltage
User to system
100% tested at 2550V dc for 1s
Module Conversion Method
R-Ladder DAC, monotonicity with no missing codes
Module Keying (Backplane)
Electronic
RTB Screw Torque (NEMA)
7-9 inch-pounds (0.8-1Nm)
RTB Keying
User defined
RTB and Housing
20 Position RTB (1756-TBNH or TBSH)
1
Environmental Conditions
Operating Temperature
Storage Temperature
Relative Humidity
0 to 60°C (32 to 140°F)
-40 to 85°C (-40 to 185°F)
5 to 95% noncondensing
Conductors
Wire Size
Category
22-14 gauge (2mm
2
) stranded maximum
1
3/64 inch (1.2mm) insulation maximum
2
2, 3
Screwdriver Width for RTB
5/16 inch (8mm) maximum
Summary of Contents for 1756-ENBT ControlLogix
Page 38: ...18 ControlLogix DC 10 31 2V Input Module Publication 1756 IN031D EN P February 2003 Notes ...
Page 39: ...ControlLogix DC 10 31 2V Input Module 19 Publication 1756 IN031D EN P February 2003 Notes ...
Page 63: ...ControlLogix Voltage Current Input Module 23 Publication 1756 IN039D EN P February 2003 Notes ...
Page 151: ...ControlLogix Voltage Current Output Module 19 Publication 1756 5 42 September 1999 ...