The DVP04AD-S is a 4-channel analog input module from Delta Electronics, designed for use with their DVP Slim Series PLCs. It’s a compact and reliable solution for integrating analog signals into digital control systems.

 Key Specifications

Analog Inputs: 4 channels

Voltage: ±10V DC (resolution: 1.25 mV)

Current: ±20mA (resolution: 5 µA)

Resolution: 14-bit

Communication: RS-485 interface

Power Supply: 24VDC (20.4–28.8VDC)

Mounting: DIN rail

Operating Temp: 0°C to 55°C

Control Registers: 49 CRs, each 16-bit

 Functionality

Converts analog voltage or current signals to digital format

Communicates with DVP-PLC SS/SA/SX series MPUs using FROM/TO instructions

Supports averaging and offset/gain tuning per channel

Software updates via RS-485

No isolation between channels, but isolated from digital area

 Notes

Must be installed in a control cabinet to protect from dust, humidity, and vibration

RS-485 communication is disabled when connected in series with the PLC MPU

This module is now obsolete and has been replaced by the DVP04AD-S2, which offers improved features