Overview
Configured for 24 VDC discrete signal acquisition, the Honeywell 51304441-100 (MU-TDID12 Digital Input Module) provides 32 input channels through a board assembly with two FTA ports. The supplied identification also marks this model as discontinued by the manufacturer.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51304441-100 |
| Spare Model | MU-TDID12 |
| Brand | Honeywell |
| Module Type | Digital Input Module |
| Input Type | Discrete input |
| Number of Inputs | 32 |
| Input Voltage | 24 VDC |
| FTA Ports | 2 |
| Assembly Type | Board assembly |
| Dimensions | 46.2 x 12 x 5.3 cm estimated shipping size |
| Weight | 1.24 kg |
| Manufacturer Status | Discontinued by manufacturer |
Honeywell Digital Input Architecture
The MU-TDID12 uses 24 VDC discrete input channels to acquire binary field signals for a Honeywell control system. Each of its 32 input channels represents an on/off field condition rather than a continuous analog measurement.
Furthermore, the assembly provides two FTA ports for field termination connections. The supplied data does not specify channel-to-channel isolation, input threshold values, wetting current, diagnostic functions, or backplane power consumption; therefore, these parameters require confirmation from the applicable Honeywell documentation.
This module does not provide evidence of 4-20 mA HART, FOUNDATION Fieldbus, or Profibus PA functionality. Its stated electrical function is limited to 24 VDC, 32-channel discrete input acquisition.
Frequently Asked Questions
Q: What type of signals does the 51304441-100 accept?
A: The supplied specifications identify the module as a 32-input digital input board assembly operating with 24 VDC discrete signals.
Q: How many field termination connections are identified?
A: The supplied data specifies two FTA ports. It does not provide the individual channel allocation for each port.
Q: Is the 51304441-100 a current production module?
A: No. The supplied product identification states that the 51304441-100 is discontinued by the manufacturer.
Field Installation Guidelines
- Verify the module part number and MU-TDID12 designation before installation.
- Confirm the control system chassis and interface hardware support this specific board assembly.
- Isolate field power before connecting or removing field wiring.
- Confirm the 24 VDC field supply polarity before energizing the input circuits.
- Route discrete signal wiring separately from high-voltage and high-current conductors where practical.
- Maintain appropriate shielding and grounding practices according to the applicable Honeywell installation documentation.
- Secure the two FTA connections and inspect all terminals for proper mechanical engagement.
- Do not apply unspecified signal voltages to the input channels.
- Verify channel status after installation using the applicable system diagnostics and commissioning procedure.
- Because the supplied data does not define operating temperature, input thresholds, isolation ratings, or power consumption, obtain the applicable Honeywell technical documentation before final installation.
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