Description

Honeywell CC-UDIR01 Digital Input Relay Adapter

Configured for digital signal relay interfacing in the Honeywell Universal Marshalling Solution (EP-SCA-100), the Honeywell CC-UDIR01 (CC-UDIR01 Digital Input Relay Adapter) provides direct physical/electrical execution between field devices and DCS input logic circuits.

Hardware Specifications

Parameter	Specification
Model	CC-UDIR01
Brand	Honeywell
Origin	USA
Weight	0.2kg
Dimensions	118 mm depth x 85.5 mm width x 10.0 mm height
Operating Temp	-40 deg C to +70 deg C
Power Consumption	200 mW
Module Type	Single-channel Digital Input Relay Adapter
System Platform	Universal Marshalling Solution (EP-SCA-100)
Channel Count	1
Coil Voltage	24 VDC
Typical Input Current	8.0 mA
Contact Configuration	SPDT relay with COM and NO terminals
Contact Material	AgSnO2, gold-plated
Maximum Continuous Current	500 mA
Minimum Switching Current	10 mA
Response Time	7 ms
Release Time	8 ms
Coil-to-Contact Isolation	1500 VAC RMS
Mounting Method	Backplane mount via CC-USCA01 Signal Conditioning Assembly
Ingress Protection	IP20
Flammability Rating	UL 94 V0
Humidity Range	5% to 95% RH, non-condensing

Channel Isolation and DCS Interface Characteristics

The CC-UDIR01 uses an electromechanical relay interface to provide galvanic isolation between field wiring and control system circuits. The coil side accepts a 24 VDC field signal, while the relay contact side provides isolated switching through COM and NO connections for DCS logic processing.

The module is designed for installation within the Honeywell Universal Marshalling Solution architecture. Mechanical keying prevents incorrect module insertion, and the integrated green LED provides local indication of coil activation status.

For process control signal architectures, the module supports channel-to-channel isolation practices commonly applied in DCS marshalling environments. Signal separation, field wiring segregation, and grounding methods should follow the applicable Honeywell system installation requirements.

Frequently Asked Questions (FAQ)

Q: Does the CC-UDIR01 require an external power supply?
A: No. The module operates from the 24 VDC field signal applied to the relay coil input. No separate external module power connection is specified.

Q: Can the CC-UDIR01 be installed directly on a DIN rail?
A: The module is installed through the CC-USCA01 Signal Conditioning Assembly backplane. The mounting method is a backplane-based installation rather than direct standalone DIN rail mounting.

Q: What isolation function is provided by the relay adapter?
A: The module provides coil-to-contact electrical isolation rated at 1500 VAC RMS, separating field signal circuits from DCS contact interfaces.

Field Installation Guidelines

• Install the CC-UDIR01 only in the designated Universal Marshalling Solution backplane position.
• Verify mechanical keying alignment before insertion to prevent incorrect module placement.
• Route field signal wiring separately from high-voltage power conductors to reduce electrical interference.
• Apply appropriate shield termination and grounding practices according to the control system installation standard.
• Confirm terminal identification for coil input and relay contact connections before energizing the circuit.
• Inspect LED status indication after installation to verify relay coil activation behavior.

Specifications

• Brand: Honeywell

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems