Honeywell MC-TDID12 51304441-175 Digital Input Module The Honeywell MC-TDID12 51304441-175, also cataloged as the MC-TDID12 Digital Input Module, operates as...
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Honeywell MC-TDID12 51304441-175 Digital Input Module
The Honeywell MC-TDID12 51304441-175, also cataloged as the MC-TDID12 Digital Input Module, operates as a dedicated hardware component for 24 VDC discrete signal acquisition within Honeywell Process Manager and TDC 3000 I/O system platforms.
Hardware Specifications
Parameter
Specification
Model
MC-TDID12 51304441-175
Brand
Honeywell
Product Type
Digital Input Module
Origin
USA
Weight
1.15 kg
Dimensions
46.3 x 12.1 x 5.5 cm
Operating Temp
-20 deg C to +60 deg C
Storage Temp
-40 deg C to +85 deg C
Relative Humidity
5-95% non-condensing
Power Consumption
Not specified
Input Type
24 VDC Digital Input
Input Channels
32 channels
Digital Input Power Range
20-30 VDC
Sense Current
4.5 mA minimum
Pick Up Voltage
20 VDC minimum
Drop Out Voltage
10 VDC maximum
Accumulated Input Frequency
15 Hz DC
Galvanic Isolation
1500 VAC rms or +/-1500 VDC
Tariff Code
8537101190
Shipment Location
Xiamen, China
Honeywell DCS Digital Signal Processing Characteristics
The MC-TDID12 provides 32-channel discrete input acquisition with direct conversion of field contact signals into controller-readable digital states. Therefore, the module monitors 24 VDC field devices through defined pickup and dropout voltage thresholds.
The module supports channel-level electrical separation through galvanic isolation rated at 1500 VAC rms or +/-1500 VDC. Additionally, the isolated input design reduces interference transfer between field wiring and the control system backplane.
For Honeywell process control architectures, digital input modules typically operate alongside analog signal modules using standardized DCS communication paths. However, the MC-TDID12 focuses specifically on discrete status monitoring, including switches, contacts, and binary field devices.
Frequently Asked Questions
Q: How many field input points does the Honeywell MC-TDID12 provide? A: The MC-TDID12 provides 32 digital input channels for 24 VDC discrete signal monitoring.
Q: What voltage range does the MC-TDID12 accept for digital input operation? A: The module accepts a digital input power range from 20 VDC to 30 VDC.
Q: Does the MC-TDID12 provide electrical isolation between field signals and the control system? A: Yes. The module provides galvanic isolation rated at 1500 VAC rms or +/-1500 VDC.
Field Installation Guidelines
Install the MC-TDID12 inside the designated Honeywell I/O chassis slot according to the system hardware configuration.
Verify that field wiring polarity matches the 24 VDC digital input requirements before energizing the module.
Separate digital signal cables from high-current power conductors to reduce electrical noise coupling.
Connect cable shields according to the site grounding standard and avoid multiple grounding points that may create ground loops.
Confirm terminal connections, supply voltage range, and field device states before commissioning.
Follow Honeywell system documentation for module insertion, removal, and chassis handling procedures.
