UL AUTOMATION SYSTEMS PVT. LTD.

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PLC/DCS Specific Interfacing Modules

Digital Input Interface Module with Opto-Isolation 24VDC to 24VDC

Application
DI Field Interface Modules with Opto-isolator 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 Optically- Isolated.

Component Specification
Isolation Device: Opto-Isolator in each channel
Terminals*: Screw type suitable for 2.5Sq.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 Data

Field Signal (Input): 24VDC/48VDC/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), Fuse fail indication.
Termination on Field side (I/P): Screw type terminals.
Termination on System side (O/P): 25 Pin D-Connector male.
Isolation between Input & Output: Opto-isolation.

Other notes

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

Side View

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