Rockwell Automation 1790-TXXXX Digital Expansion Terminal Block Compact Block LDX I/O - Manual (Page 17)

17
Publication 1790-IN005B-EN-P - April 2003
Nominal input impedance 4.8K Ω
Input signal delay Off to On: 10ms maximum
On to Off: 10ms maximum
Indicators 8 green status
Common type 8 points/2 COM (non-polarity) - 1790D-T8BV8VX
8 points/2 COM (non-polarity) - 1790D-T8BV8BX
OUTPUT SPECIFICATIONS
Outputs per expansion block 8 points non-isolated, sinking - 1790D-T8BV8VX
8 points non-isolated, sourcing - 1790D-T8BV8BX
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 leakage 0.5mA maximum
Output signal delay Off to On: 0.5ms maximum
On to Off: 1.0ms maximum
Indicators 8 green status
Output current rating Maximum 0.5A per output
4.0A maximum per common
Common type 8 points/2 COM - 1790D-T8BV8VX
8 points/2 COM - 1790D-T8BV8BX
General Specifications
Field Power Supply voltage - 24V dc nominal
Voltage range - 10-28.8V dc
Power dissipation - 3.22W @ 28.8V dc
Isolation I/O to logic: photocoupler isolation
Isolation voltage: 1250V ac rms
DeviceNet to logic: non-isolated
DeviceNet power: non-isolated
Wiring Terminal block (M3.0)
- screw torque: 7 inch-pounds
maximum (use copper or copper-clad
aluminum conductors