Rockwell Automation 1790-TXXXX Digital Expansion Terminal Block Compact Block LDX I/O - Manual (Page 18)

18
Publication 1790-IN005B-EN-P - April 2003
DC Output Expansion Block Specifications
1790-TOV16X and -TOB16X
Outputs per expansion block 16 points non-isolated, sinking:
1790D-T0V16X
16 points non-isolated, sourcing:
1790D-T0B16X
On-state voltage 10V dc minimum
24V dc nominal
28.8V dc maximum
On-state voltage drop 0.5V dc maximum
On-state current 1mA minimum per channel
Off-state voltage 28.8V dc maximum
Off-state leakage 0.5mA maximum
Output signal delay Off to On: 0.5ms maximum
On to Off: 1.0ms maximum
Indicators 16 green status
Output current rating Maximum 0.5A per output
4.0A maximum per common
Common type 8 points/2COM for 1790D-TOV16X
8 points/8COM for 1790D-T0B16X
General Specifications
Field Power Supply voltage - 24V dc nominal
Voltage range - 10-28.8V dc
Power dissipation - 2.76W @ 28.8V dc
Isolation I/O to logic: photocoupler isolation
Isolation voltage: 1250V ac rms
Wiring Terminal block (M3.0)
- screw torque: 7 inch-pounds
maximum (use copper or copper-clad
aluminum conductors