Ac input expansion block specifications – Rockwell Automation 1790-TXXXX Digital Expansion Terminal Block Compact Block LDX I/O User Manual
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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