51402625-175 | Honeywell MC-PDIS12 Digital Input Processor Module

The Honeywell MC-PDIS12 is a Digital Input Processor Module designed for use in Honeywell’s TPS Process Manager (PM) and Enhanced Process Manager (EPM) systems. It enables the processing of digital input signals and supports Sequence of Events (SOE) monitoring, providing highly reliable and accurate input data for industrial control systems.

Key Features and Specifications:

Model Numbers:

Uncoated Model: MU-PDIS12
Coated Model: MC-PDIS12 (provides additional protection against environmental factors).

Key Characteristics:

Input Features:

Input Channels: 32 digital inputs.
Accumulated Input Frequency:
- DC: Up to 15 Hz (for 24 VDC FTAs).
- AC: Not applicable (for AC FTAs).

Isolation and Protection:

Galvanic Isolation:
- 1500 Vac rms or ±1500 Vdc (field to processor).
Isolation Technique: Optical isolation for robust signal integrity and noise reduction.

Input Power Range (by FTA Type):

24 VDC FTA: 20-30 VDC.
120 VAC FTA: 90-132 VAC rms.
125 VDC FTA: 20-30 VDC.
240 VAC FTA: 180-264 VAC rms.

Input Characteristics (ON and OFF Conditions):

ON Sense Current:
- 4.5 mA (24 VDC), 3.5 mA (120 VAC), 2.2 mA (240 VAC) minimum.
OFF Sense Current:
- 2.8 mA (24 VDC), 1.5 mA (120 VAC), 1.0 mA (240 VAC) maximum.
ON Pick-Up Voltage:
- 20 VDC, 90 VAC, 180 VAC minimum.
OFF Drop-Out Voltage:
- 10 VDC, 25 VAC, 50 VAC maximum.

Performance:

Absolute Delay (Filter and Isolation):
- 2.0 ms maximum for 24 VDC inputs.
- 25 ms maximum for 120/240 VAC inputs.
Frequency Range:
- DC or 47-63 Hz for AC inputs.
Surge Withstand Capability:
- ANSI/IEEE C37.90.1-1978 compliance.

Digital Input Processor Redundancy:

Redundancy Option: No missed or delayed input scan cycles during swap or failover, ensuring reliable and uninterrupted operation.

FTAs (Field Termination Assemblies):

Packaged FTAs with Plug-In Isolators:
- Supports galvanic isolation and optical techniques.
- Includes models:
  - MU-TDID12, MU-TDIA12, MU-TDIA22, etc.
Packaged FTAs without Plug-In Isolators:
- Cost-effective option for applications without isolation needs.
- Includes models:
  - MU-TDID72, MU-TDIA72.

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