Installation Notes
The I.S. 16-channel terminal block must be used to provide screw terminations for field wiring for the I.S. DI, 16-channel card. If this terminal block is not used, the card will not communicate with the DeltaV controller.
Specifications
| Item | Specification |
|---|---|
| Number of channels | Sixteen |
| Isolation |
LocalBus to any channel: 60 VAC Between channels: None I.S. channel to non-I.S. rail: 250 VAC |
| Detection level for On | >2.1 mA |
| Detection level for Off | <1.2 mA |
| Voltage applied to sensor | 7.0 to 9.0 V from 1 kΩ ±10% |
| Line fault detection |
Short circuit: <100 Ω Open circuit: > 50 kΩ |
| Maximum input frequency | 20 Hz |
| Minimum pulse width detected | 45 ms |
| Output impedance | 100 Ω @ > 6 mA (wetting current) |
| LocalBus current | 350 mA |
| Switching hysteresis | 200 µA (nominal) |
| Optional loop disconnect | Not offered |
| Mounting | Assigned slot of I/O carrier |
