The Honeywell 51309223-175 is the MC-TAMT03 Low-Level Analog Input Multiplexer (LLMux) Thermocouple Field Termination Assembly (FTA) for the Honeywell TDC 3000 / TPS / Experion PKS distributed control system. It is the conformally coated, CE-compliant variant, providing field termination for 16 thermocouple channels with a local Cold Junction Reference (CJR) integrated on the assembly.
Item nº :
51309223-175Pedido (MOQ) :
1Pagamento :
EXWOrigem do produto :
USAPorto de embarque :
Wuhan, Hubei, ChinaTempo de espera :
3-5 daysPeso :
0.5KGProducts Description
Honeywell 51309223-175 MC-TAMT03 new and original in stock
| Model Number | 51309223-175 MC-TAMT03 |
| Place of Origin | USA |
| Dimension/Weight | 0.5 kg |
| Condition | new and original |
| Warranty | 1 year |
| Shipping term |
DHL Fedex TNT EMS UPS |
| Payment | TT / Western Union |
| Delivery Time | 3-5 days |
| Service |
24 Hours Online Service |
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Refining and petrochemicals — multi-point reactor, furnace, and distillation column temperature monitoring .
Power generation — boiler, turbine, and generator bearing temperature measurement .
Chemical processing — reactor and clean-utility temperature points.
Metallurgy — furnace and thermal process monitoring.
Legacy TDC 3000 / Experion PKS maintenance — replacement and spare parts for existing LLMux installations.
Q1: What is the Honeywell 51309223-175 (MC-TAMT03) used for?
It is a 16-channel LLMux Thermocouple Field Termination Assembly for Honeywell TDC 3000 / TPS / Experion PKS DCS. It provides field wiring termination and multiplexing for thermocouple temperature sensors, with local cold junction compensation, routing signals to the LLMux IOP .
Q2: How many channels does it have?
16 thermocouple input channels .
Q3: Does it use a local or remote CJR?
Local CJR integrated directly on the assembly .
Q4: Is this FTA conformally coated and CE compliant?
Yes. The "MC-" prefix and "-175" suffix indicate conformal coating and CE compliance .
Q5: Does it support redundancy?
No. It uses a single IOP interface and does not support redundant configurations .
Q6: What IOP is required?
The MU-PLAM02 or MC-PLAM02 LLMux IOP, connected via the MU-TLPA02 Power Adapter .
Q7: Is this product still current?
No. The MC-TAMT03 (51309223-175) is a legacy product that has been withdrawn by Honeywell and replaced by the 51305890-175 (MC-TAMT04), which uses solid-state relays instead of the problematic mercury-wetted relays . It is primarily available as spare or refurbished stock.
Q8: What are the dimensions and weight?
Conflicting sources: Weight claims range from ~0.75 kg to ~0.82 kg . Dimensions are ~30.6 × 12 × 7 cm (shipping estimate) . Verify against official Honeywell documentation.
Q9: Where can I get technical documentation?
Official Honeywell documentation, or an authorized distributor, is the authoritative source for specifications and compatibility. Note that third-party listings contain severely conflicting and inaccurate data.
| Model | Description | When to Choose |
|---|---|---|
| 51309223-175 (MC-TAMT03) | LLMux TC FTA, 16-channel, local CJR, conformally coated, CE compliant | When conformal coating and CE compliance are required for legacy TDC 3000 / Experion PKS installations (confirm availability; note high failure rate) |
| 51309223-125 (MU-TAMT03) | LLMux TC FTA, 16-channel, local CJR, uncoated, non-CE | When conformal coating and CE compliance are not required |
| 51305890-175 (MC-TAMT04) | LLMux TC FTA, 16-channel, solid-state switching (replacement for MC-TAMT03) | When a modern replacement with solid-state reliability is preferred |
| MU-PLAM02 / MC-PLAM02 | LLMux IOP | The required IOP for use with the MC-TAMT03 |
| MU-TLPA02 | Power Adapter | Required between the FTA and the LLMux IOP |
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