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Publication 1790-IN009B-EN-P - April 2003
DC Input/Output Combination Base Block Specifications
1790P-T8BV8V, -T8BV8B
INPUT SPECIFICATIONS
Inputs per base block
8 points non-isolated, sinking or sourcing
On-state voltage
9.6V dc minimum
24V dc nominal
28.8V dc maximum
On-state current
8mA maximum per point @ 28.8V dc
Off-state voltage
5V dc maximum
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) - 1790P-T8BV8V
8 points/2 COM (non-polarity) - 1790P-T8BV8B
OUTPUT SPECIFICATIONS
Outputs per base block
8 points non-isolated, sinking - 1790P-T8BV8V
8 points non-isolated, sourcing - 1790P-T8BV8B
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 - 1790P-T8BV8V
8 points/2 COM - 1790P-T8BV8B