Interface Specifications > I/O Cards

DI, 8-Channel, 24 VDC, Isolated

The DeltaV system supports the DI, 8-Channel, 24 VDC, Isolated card and the Series 2 DI, 8-Channel, 24 VDC, Isolated card in Simplex mode.

Installation Notes

Specifications

Item Specification
Number of channels Eight
Isolation Each channel is optically isolated from the system and from each other and factory tested to 1500 VDC.
Detection level for On > 10 VDC
Detection level for Off < 5 VDC
Input impedance 5 kΩ
LocalBus current (12 VDC nominal), per card
  • 75 mA typical
  • 100 mA maximum
Field circuit power, per card None
Optional fuse 2.0 A
Mounting Assigned slot of I/O carrier

Wiring Diagram

Figure: Wiring Diagram for DI, 8-Channel, 24 VDC, Isolated