Spectrum Controls 1756sc-OF8H Series A - Manual (Page 149)

1756sc-OF8H Module Specifications 1756sc-OF8H Module Specifications 1756sc-OF8H Module Specifications 1756sc-OF8H Module Specifications 1756sc-OF8H Module Specifications
This appendix lists the specifications for the 1756sc-OF8H Analog Input
HART Module.
Specifications
1756sc-OF8H
Parameter Specification
Number of Outputs 8 voltage or current outputs
Module Location ControlLogix or ProcessLogix chassis
Power Consumption 200mA @ 5.1 V
230mA @ 24 V
Power Dissipation within Module
Output Range Current 0 to 21mA
Output Range Voltage +/- 10.4V
Resolution 15 bits across 21mA - 650nA/bit
16 bits across –10.4V to +10.4V
Data Format Floating point IEEE 32 bit
Open Circuit Detection Current output only (Output must be set to ³0.1mA)
Output Overvoltage Protection ±24V dc
Output Short Circuit Protection Current outputs—Electronically current limited to 21mA or
less with no damage.
Voltage Outputs Current limited to 35mA or less with no damage.
Drive Capability 50 to 750 ohm with short circuit survival.
Voltage Outputs— ³2K ohm at 10.4V
Load Reactance 10uH max (Current)
1uF max (Voltage)
Output Settling Time
Current Output (No Hart) <23ms to 95% with resistive loads
Current Output (With Hart) <37ms to 95% with resistive loads
Voltage Output <8.5ms to 95% with resistive loads
Calibrated Accuracy at 25°C Better than 0.1 % of range for voltage outputs
.15% of range for current outputs
Calibration interval 12 months typical.
Module Error over Full Temp. Range 0.15% of range - voltage
0.3% of range - current 4 to 21mA
Output Offset drift with temperature. 100uV per degree C typical
200nA/degree typical
Gain drift with temperature 20ppm/degree C voltage maximum
35ppm/deg C current maximum
Appendix B