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- Overview
- Specifications
- Description
- Applications
- Troubleshooting
- FAQ
- Recommended Products
Overview
Place of Origin: |
USA |
Brand Name: |
HONEYWELL |
Model Number: |
MU-TDID12 51304441-125 |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Parameter |
Value |
|
Model |
MU-TDID12 51304441-125 |
|
Product Type |
Digital Input Module |
|
Dimensions |
46.2 × 12 × 5.5 cm |
|
Weight |
1.18 kg |
|
Input Channels |
32 |
|
Accumulated Input Frequency |
dc-15 Hz |
|
Galvanic Isolation |
1500 Vac rms or ±1500 Vdc |
|
Isolation Technique |
Optical |
|
Digital Input Power Range |
20-30 Vdc |
|
Sense Current (ON condition) |
4.5 mA minimum |
|
Sense Current (OFF condition) |
2.8 mA maximum |
|
Pick Up Voltage (ON condition) |
20 Vdc minimum |
|
Drop Out Voltage (OFF condition) |
10 Vdc maximum |
|
Absolute Delay Across Input Filter and Isolation |
2.0 ms maximum |
|
Frequency Range |
dc |
|
Surge Withstand Capability |
ANSI/IEEE C37.90.1-1978 |
Description
Honeywell's MU-TDID12 51304441-125 is a 24-volt Digital Input Module. This module is responsible for transmitting the status of numerous physical switches on the production floor to the upper-level control unit. Furthermore, this module establishes physical connections with various field devices via its built-in terminal blocks, capable of handling field signals from up to 32 different locations simultaneously.
Applications
Oil Refineries: High-density signal collection for safety valves and emergency shutdown systems.
Thermal Power Plants: Electrical isolation ensures stable monitoring of boilers and turbine auxiliary switches.
Chemical Plants: Resistant to electromagnetic noise for reactor and pump status feedback.
Natural Gas Plants: Connects with pipeline limit switches and local control contacts.
Centralized Water Treatment Plants: Reliable voltage sensing for monitoring distributed valves and dosing pumps.
Troubleshooting
Inaccurate Status Recognition/Failure to Trigger (ON State Lost): Check if the input voltage drops below 20 Vdc, or if the loop current is below the minimum sensing threshold of 4.5 mA.
Channel Lockdown (Continuously Displaying ON or OFF): Test for leakage at the field contacts. If the voltage remains above 10 Vdc or the current exceeds 2.8 mA after disconnection, it cannot correctly enter the OFF state.
Large-Area Channel Damage/Communication Interruption: In the event of a multi-channel sudden failure, prioritize checking for extreme lightning surges exceeding the ANSI/IEEE C37.90.1 standard, and assess whether the opto-isolation components have been damaged.
FAQ
Q: How many input channels does MU-TDID12 51304441-125 have?
A: This model has 32 input channels.
Q: What is the digital input power range of MU-TDID12 51304441-125?
A: Its digital input power range is 20–30 Vdc.
Q: What isolation technology does MU-TDID12 51304441-125 use?
A: It uses optical isolation.
Q: What is the minimum sensing current in ON condition for MU-TDID12 51304441-125?
A: Its minimum sensing current is 4.5 mA.
Q: What is the maximum absolute delay across input filter and isolation for MU-TDID12 51304441-125?
A: Its maximum absolute delay is 2.0 ms.
