Digital Input Interface Module with Relay Isolation & Fuse protection

Application
DI Field Interface Modules with 1CO/2CO Relay used to Interface between PLC / DCS Digital Inputs to field or field devices such as Proximity sensors, Limit switch i.e. Potential free contacts etc. Inputs are galvanically isolated through Relays.

Component Specification
Relay: 24VDC/110VAC/230VAC Coil, 1Changeover / 2 Changeovers.
Relay Socket: 1/2 Changeover 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/110VAC/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: Screw type terminals side (I/P).
Termination on System: FRC/D-Sub male Plug-in Type side (O/P).
Isolation between Input: Galvanic Isolation & Output

Other notes

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

Side View