Interface Specifications > I/O Cards

DI, 8-Channel, 120 VAC, Dry Contact

The DeltaV system supports the DI, 8-Channel, 120 VAC Dry Contact card and the Series 2 DI, 8-Channel, 120 VAC Dry Contact card in Simplex mode.

Installation Notes

The Fused I/O terminal block is recommended to provide screw terminations for field wiring for the DI, 8-channel, 120 VAC, Dry Contact card and the Series 2 DI, 8-channel, 120 VAC, Dry Contact card in Simplex mode. An optional terminal block is the I/O block.

Specifications

Item Specifications
Number of channels Eight
Isolation Each channel is optically isolated from the system at 250 VAC.
Detection level for On > 1.4 mA
Detection level for Off < 0.56 mA
Impedance 60 kΩ
LocalBus current (12 VDC nominal), per card
  • 75 mA
  • 100 mA maximum
Field circuit power, per card 15 mA at 120 VAC
Optional fuse 2.0 A
Mounting Assigned slot of I/O carrier

Wiring Diagram

Figure: Wiring Diagram for DI, 8-Channel, 120 VAC, Dry Contact


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