Honeywell 51304754-150 MC-PAIH03 High Level Analog Input Processor
The Honeywell 51304754-150, also cataloged as the MC-PAIH03 High Level Analog Input Processor, operates as a dedicated hardware component for 16-channel analog signal acquisition within Honeywell TDC 3000 and Experion Process Knowledge System (PKS) Process Manager I/O racks. It converts voltage and 4-20 mA current loop inputs from 2-wire or self-powered field transmitters into digital data for real-time controller processing.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51304754-150 (MC-PAIH03) |
| Brand | Honeywell |
| Origin | United States |
| Weight | 0.60 kg (1.32 lbs) |
| Dimensions | Standard Process Manager I/O Slot Module |
| Operating Temp | 0 to +50 deg C (+32 to +122 deg F) |
| Power Consumption | Backplane powered via IOP card file |
| Input Channels | 16 differential input channels |
| Input Types | Voltage, current (2-wire or self-powered) |
| Input Ranges | 0 to 5 V, 1 to 5 V, 0.4 to 2 V, 4-20 mA (via 250 ohm precision resistor) |
| A/D Converter Resolution | 16 bits (14 bits effective) |
| Input Scan Rate | 4 samples per second per channel (all channels within 250 ms) |
| Hardware Accuracy | +-0.075% full-scale (at 23.5 deg C), +-0.15% full-scale (0 to 50 deg C) |
| Input Impedance | > 10 Mohm (powered, voltage inputs) |
| Maximum Input Voltage | +-30 V maximum (differential or referenced to common) |
| Surge Withstand Capability | ANSI/IEEE C37.90.1-1978 (Common mode) |
| Compatible FTA Models | MU-TAIH02, TAIH12, TAIH52, TAIH03, TAIH13, TAIH23, TAIH53, TAIH22, TAIH62 |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The module provides 60 dB channel-to-channel crosstalk suppression and a common mode rejection ratio (CMRR) of 70 dB from DC to 60 Hz. Integrated single-pole RC filtering delivers a -3 dB cutoff at 1 Hz with 32 dB normal mode rejection at 60 Hz, stabilizing signal acquisition across high-density cabinets. The processor supports 4-20 mA HART loop protocol transmitters via external Field Termination Assemblies (FTAs), leveraging 250 ohm shunt resistors for precise 1-5 V conversion.
Frequently Asked Questions
Q: How does the MC-PAIH03 process 4-20 mA current inputs?
A: Current loops pass through 250 ohm precision dropping resistors located on the connected Field Termination Assembly (FTA), converting the 4-20 mA signal into a 1-5 VDC potential sampled by the 16-bit A/D converter.
Q: What is the maximum voltage the input channels can withstand without hardware damage?
A: The module differential inputs and common-referenced inputs tolerate up to +-30 V continuous potential without causing permanent circuit failure.
Field Installation Guidelines
- Power down the I/O rack or follow Honeywell live-insertion guidelines before installing the MC-PAIH03 module into its card file slot.
- Verify mechanical keying on the IOP slot to ensure correct alignment with the backplane connector.
- Slide the board into the card guide until the latch mechanism engages the backplane connector.
- Wire 2-wire or self-powered transmitter loops to the corresponding Field Termination Assembly (MU-TAIH02, TAIH12, TAIH52, etc.) using shielded twisted-pair cables.
- Connect cable drain shields to the ground busbar at the FTA end only to maintain signal integrity and eliminate ground loops.
Honeywell 51304754-150 MC-PAIH03 High Level Analog Input Processor
Honeywell 51304754-150 MC-PAIH03 High Level Analog Input Processor
The Honeywell 51304754-150, also cataloged as the MC-PAIH03 High Level Analog Input Processor, operates as a dedicated hardware component for 16-channel analog signal acquisition within Honeywell TDC 3000 and Experion Process Knowledge System (PKS) Process Manager I/O racks. It converts voltage and 4-20 mA current loop inputs from 2-wire or self-powered field transmitters into digital data for real-time controller processing.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51304754-150 (MC-PAIH03) |
| Brand | Honeywell |
| Origin | United States |
| Weight | 0.60 kg (1.32 lbs) |
| Dimensions | Standard Process Manager I/O Slot Module |
| Operating Temp | 0 to +50 deg C (+32 to +122 deg F) |
| Power Consumption | Backplane powered via IOP card file |
| Input Channels | 16 differential input channels |
| Input Types | Voltage, current (2-wire or self-powered) |
| Input Ranges | 0 to 5 V, 1 to 5 V, 0.4 to 2 V, 4-20 mA (via 250 ohm precision resistor) |
| A/D Converter Resolution | 16 bits (14 bits effective) |
| Input Scan Rate | 4 samples per second per channel (all channels within 250 ms) |
| Hardware Accuracy | +-0.075% full-scale (at 23.5 deg C), +-0.15% full-scale (0 to 50 deg C) |
| Input Impedance | > 10 Mohm (powered, voltage inputs) |
| Maximum Input Voltage | +-30 V maximum (differential or referenced to common) |
| Surge Withstand Capability | ANSI/IEEE C37.90.1-1978 (Common mode) |
| Compatible FTA Models | MU-TAIH02, TAIH12, TAIH52, TAIH03, TAIH13, TAIH23, TAIH53, TAIH22, TAIH62 |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The module provides 60 dB channel-to-channel crosstalk suppression and a common mode rejection ratio (CMRR) of 70 dB from DC to 60 Hz. Integrated single-pole RC filtering delivers a -3 dB cutoff at 1 Hz with 32 dB normal mode rejection at 60 Hz, stabilizing signal acquisition across high-density cabinets. The processor supports 4-20 mA HART loop protocol transmitters via external Field Termination Assemblies (FTAs), leveraging 250 ohm shunt resistors for precise 1-5 V conversion.
Frequently Asked Questions
Q: How does the MC-PAIH03 process 4-20 mA current inputs?
A: Current loops pass through 250 ohm precision dropping resistors located on the connected Field Termination Assembly (FTA), converting the 4-20 mA signal into a 1-5 VDC potential sampled by the 16-bit A/D converter.
Q: What is the maximum voltage the input channels can withstand without hardware damage?
A: The module differential inputs and common-referenced inputs tolerate up to +-30 V continuous potential without causing permanent circuit failure.
Field Installation Guidelines
- Power down the I/O rack or follow Honeywell live-insertion guidelines before installing the MC-PAIH03 module into its card file slot.
- Verify mechanical keying on the IOP slot to ensure correct alignment with the backplane connector.
- Slide the board into the card guide until the latch mechanism engages the backplane connector.
- Wire 2-wire or self-powered transmitter loops to the corresponding Field Termination Assembly (MU-TAIH02, TAIH12, TAIH52, etc.) using shielded twisted-pair cables.
- Connect cable drain shields to the ground busbar at the FTA end only to maintain signal integrity and eliminate ground loops.
