Digital Input Field Interface Module with Auto-test & Redundancy

Application
DI Field Interface Module with Relay and with Auto Test feature used to Interface between field or field devices & Digital Inputs of PLC. Provision to diagnose all Digital Input of PLC with the help of Auto High & Auto low signal.

Component Specification
Relay: 24VDC/110VAC/230VAC Coil, 2 Changeovers.
Relay Socket: 2 CO PCB Solderable type.
Terminals*: Screw type suitable for 2.5 sq.mm conductor.
PCB: Glass Epoxy double side PTH with Lacquer Coating

Technical Specification

General Data

No. of Channel: 8, 16, 32.
Test Voltage: 500V, 50Hz, 1Min between each channel.
Ambient operating Temp. : Max 60° C.
Relative Humidity: Max 90% (Non- Condensing).
Tropicalisation: Lacquer coating on PCB.
Identification Tag: Provided.
Mounting: Universal Din Rail Mountable.
Standard/Approvals: PCB: Type tested STQC, IEC 61373, ANSI IPC 2221 & 2222, MIL 275B.
Terminals: UL/CE & CSA Standard.
Relays: UL/CSA.

Input & Output Data

Field Signal (Input): 24VDC/110/230VAC.
System Signal (Output): 24VDC.
Protection: Fuse provided in each field signal.
Type of connection: 2 Wire Interrogation / Reading type.
Indication/Channel: Green LED (Signal healthy Indication).
Termination on Field side (I/P): Screw type suitable for 2.5 sq.mm wire.
Termination on System side (O/P): 25 Pin D-Connector male.
Isolation between Input & Output: Galvanic Isolation.

Other notes

Screw less Terminals: Available on request for selective Relay Modules.

Side View