Rockwell Automation 1755-OF8 GuardPLC Controller Systems - Manual (Page 292)

292 Publication 1753-UM001C-EN-P - March 2010
Appendix A Specifications
1753-IF8XOF4 Analog Combination Module
Attribute 1753-IF8XOF4
GuardPLC Ethernet
interfaces 2 x RJ-45, 10/100BaseT (with 100 Mbps) with integrated
switch
Operating voltage 24V DC, -15%… +20%, w
ss
15% from a power supply with
protective separation, conforming to IEC 61131-2
requirements
Response time
≥
20 ms
Battery backup none
Current consumption 0.8 A max (with max load), idle current 0.4 A @24V
Wiring category category 2 on communication ports, signal ports, and power
ports
Wire size
I/O – 1.5 mm 2 (16 AWG)…0.14 mm 2 (26 AWG) solid or
stranded copper wire rated at 75 °C (167 °F) or greater with
3/64 inch (1.2 mm) insulation max
Power – 2.5 mm
2
(14 AWG)…0.34 mm
2
(22 AWG) solid or
stranded copper wire rated at 75 °C (167 °F) or greater with
3/64 inch (1.2 mm) insulation max
Terminal block torque 0.51 Nm (4.5 in-lb)
Analog Inputs
Number of inputs
8 (not electrically isolated)
Input signal range, nom Voltage: 0…10V DC
Current: 0…20 mA
(1)
Input signal range, service Voltage: -0.1…11V DC
Current: -0.4…23 mA
(1)
Shunt resistor, external 500
Ω
(for current input)
Impedance, analog input >2 M
Ω
Analog input signal, source
impedance
≤
500
Ω
Input resolution 12 bits
Effective resolution 9 bits @ 10V
Sensor supply selectable 26V/8.2V
200 mA, short-circuit-proof
Accuracy 0.5%
Safety accuracy 2%
Calibration error zero point ±1%
Calibration error terminal
point ±0.4%
Channel error ±0.5%
Temperature error zero
point ±0.5%/10 K
Temperature error terminal
point ±0.5%/10 K
Linearity error ±0.5%
Long-term drift ±0.5%