162 Rockwell Automation Publication 1791ES-UM001G-EN-P - November 2016
Appendix D Specifications
Output types Current sourcing/current sinking – bipolar pair
Output current rating 2 A max per point
8 A total module at 40 °C (104 °F) (see temperature versus current derating)
6 A total module at 60 °C (140 °F)
Voltage and current ratings IN PWR (No Load): 19.2-28.8 Vdc, 190 mA @ 24 Vdc typ. No load
Inputs: 11-30Vdc, 3.5mA
Test Outputs: 19.2-28.8Vdc, 700mA
Sum of P and M Currents: 8 A at 40 °C (104 °F), 6 A at 60 °C (140 °F)
P & M Outputs: 19.2-28.8Vdc, 2A; 2.5A Inrush.
Max. Current (Input plus Output): 8A@40C, 6A@60C.
Operating Temperature: -20 °C to +60 °C (140 °F)
On-state voltage drop +/- 0.6V
Leakage current +/- 1.0 mA
(1)
Internal resistance from P to M terminal 3.25 kΩ
Short circuit detection Yes (short high and low and cross-circuit fault detection)
Short circuit protection Electronic
Aggregate current of module 8 A at 40 °C (104 °F), 6 A at 60 °C (140 °F)
(see product temperature versus current derating)
Pilot duty rating 2.5 A inrush for 1791ES-IB8XOBV4 module
Number of outputs 4, dual-channel
(1) Includes the presence of one P stuck-high or M stuck-low short.
Table 71 - 1791ES-IB16 and 1791ES-IB8XOBV4 Modules – Technical Specifications (Continued)
Attribute Value
Table 72 - 1791ES-IB16 and 1791ES-IB8XOBV4 Modules – General
Attribute Value
North American temp code 1791ES-IB8XOBV4: T4A
1791ES-IB16: T5
Enclosure type rating Meets IP20
Communication current consumption 250 mA at 24V DC
Operating voltage range 19.2…28.8V DC (24V DC, -20…20%)
Isolation voltage 1791ES-IB16 - 50V (continuous), basic insulation - type tested at 800V DC for 60 s between input channels and
network
1791ES-IB8XOBV4 - 50V (continuous), basic insulation - type tested at 800V DC for 60 s between input and output
channels and between I/O and network
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