The T9402 digital input module has 16 channels at 24 Vdc for each device.

Part Number: 5441-689

Description: 24/120 I/O Module

GE Nexus MDI52 369B1843G5005, Digital Input Module in stock.

GE MDI10 369B1843G5001, Digital Input Module 16CHs in stock.

Part Number: 51204162-175
Output Channels: 32 isolated channels
Load Voltage Range: 15-30 VDC
Maximum Load Current: 500 mA per channel
Operating Voltage: 24 VDC
Availability: in stock

ADV559-P00, Digital Output Module for Compatible ST4 (32-channel output, Isolated channels).

X20DS4389 digital signal module, 4 digital inputs, 24 VDC, 4 digital outputs, 24 VDC, 0.1 A, oversampling I/O functions, time-triggered I/O functions, NetTime function