Honeywell CC-PDIH01 51405041-176 Digital Input Module Configured for high-voltage discrete signal acquisition in the Honeywell C Series I/O platform, the...
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Description
Honeywell CC-PDIH01 51405041-176 Digital Input Module
Configured for high-voltage discrete signal acquisition in the Honeywell C Series I/O platform, the Honeywell CC-PDIH01 51405041-176 (CC-PDIH01 Digital Input Module) provides direct electrical input processing. The module accepts field discrete signals through the associated I/O Termination Assembly (IOTA), where input scanning and diagnostics are executed independently from controller control processing.
Suffix Breakdown & Model Matrix
The available documentation identifies CC-PDIH01 51405041-176 as the complete ordering model and CC-PDIH01 as the base module designation. No official suffix decoding or ordering matrix is specified in the provided documentation.
Hardware Specifications
Parameter
Specification
Model
CC-PDIH01 51405041-176
Brand
Honeywell
Product Type
Digital Input Module
Spare Model
CC-PDIH01
Input Channels
32
Input Signal
High-voltage discrete inputs
Supported Input Levels
120 VAC / 125 VDC, 120 VAC (PROX), or 250 VAC depending on IOTA
Galvanic Isolation
1500 VAC RMS or +/-1500 VDC
Isolation Technique
120 VAC IOTA
Manufacturer
Honeywell
Country of Origin
USA
Shipping Location
Xiamen, China
Dimensions
5.5 x 15.6 x 14.5 cm
Weight
0.35 kg
Operating Temp
-40 deg C to +70 deg C
Storage Temp
-40 deg C to +85 deg C
Humidity
5 % to 95 % RH, non-condensing
Power Consumption
Not specified
Channel-to-Channel Isolation and C Series I/O Architecture
The C Series Digital Input Module performs field input acquisition while separating I/O processing from controller execution. This architecture allows input sampling to remain independent of controller loading and application execution.
Electrical isolation is specified at 1500 VAC RMS or +/-1500 VDC, reducing direct electrical coupling between field wiring and the control system. The module operates with different IOTA variants to support multiple high-voltage input ranges while using the same electronic I/O module, reducing spare part diversity for maintenance.
The IOTA integrates field terminations with the module interface, supports field power distribution, detachable two-level terminals, and optional redundant configurations without changing the input module hardware.
Frequently Asked Questions
Q: Can the same CC-PDIH01 module be used with different high-voltage input ratings?
A: Yes. The documentation specifies that the same I/O module is used with different IOTA assemblies for 120 VAC / 125 VDC and 250 VAC input applications.
Q: Does the module support redundant installation?
A: Yes. Redundancy is implemented through the associated IOTA, which supports redundant configurations as described for the Honeywell C Series architecture.
Q: Is hot-swapping supported while the controller is operating?
A: The provided documentation does not specify hot-swap capability. Installation and replacement procedures should follow the applicable Honeywell system maintenance manual for the specific controller platform.
Field Installation Guidelines
Verify that the installed IOTA matches the required field input voltage before wiring field circuits.
De-energize field wiring whenever possible before connecting or disconnecting terminal blocks.
Route high-voltage input wiring separately from low-level analog and communication cables to minimize electrical interference.
Connect cable shields according to the site's grounding practice to avoid ground loops.
Confirm terminal identification and field signal polarity before energizing the installation.
After installation, verify module diagnostics and input status through the controller engineering workstation before placing the channel into service.
