Instruction Manual
20
Publication 1790-IN005B-EN-P - April 2003
AC Input Expansion Block Specifications
1790-T8AOX
Inputs per expansion block 8 points non-isolated
On-state voltage range 79V ac minimum
110V ac nominal
132V ac maximum
Input impedance 18K
Ω
On-state current 9mA maximum @132V ac
Off-state voltage 45V ac maximum
Input signal delay 10ms off to on
30ms maximum on to off
Indicators 8 green input status
Common type 8 points/8COM
General Specifications
External AC power supply Supply voltage - 110V rms, 60Hz
Voltage range - 85-132Vrms, 47-63Hz
Power dissipation - 3W @ 132Vac
Isolation I/O to logic: photocoupler isolation
Isolation voltage: 1250V ac rms/V ac
Field power: non-isolation
Wiring Terminal block (M3.0)
- screw torque: 7 inch-pounds
maximum (use copper or copper-clad
aluminum conductors