Model Explanation

51401163-100: Honeywell part number (written as 51401163100)

51401163 = PNM (Process Network Modem) Process Network Modem card series

100 = Standard version, Rev B hardware, Rev A firmware

Component Type: PNM PWA (Printed Circuit Board Assembly)

Compatible System: TDC 3000, TPS (LCN Network)

Alternative Model: No direct alternative. It is a dedicated card for remote network communication of TDC 300 Technical Specifications

Communication Processor: Special modulation and demodulation processor, with a main frequency of 16 MHz

Cache: 64 KB RAM (data cache), 128 KB ROM (firmware storage)

Network Interface:

Remote Procedure Network Interface: RS-485 / differential signal, rate 19.2 kbps to 1 Mbps

Backplane Interface: LCN dedicated bus, rate 10 Mbps

Transmission Distance: Maximum 12 km (twisted pair / optical fiber, depending on the rate)

Protocol Support: Honeywell dedicated PNM protocol, HDLC frame format

Power Supply: 5 VDC (backplane, ±5%), power consumption ≤ 15 W

Operating Temperature: 0°C ~ +60°C

Storage Temperature: -40°C ~ +85°C

Humidity: 5% ~ 95% RH (no condensation)

Size: Standard 19-inch card (3U), LCN slot

Weight: Approximately 0.9 kg

Certifications: CE, UL, CSA, FM

Interfaces and Configuration

External Interfaces: Remote network port (terminal block / DB25), status LEDs (PWR, LINK, ACT, FAULT)

Backplane Interface: LCN cabinet pins, dedicated high-speed data bus

Configuration Method: Built-in jumpers (baud rate, address, termination resistor) + system software configuration

Redundancy: Supports 1:1 hot redundancy, automatic network failure switching, zero data loss

Compatibility: Compatible with TDC 3000 LCN full version, compatible with remote I/O, field control station Core function

LCN and Remote Process Network Protocol Conversion: Achieve bidirectional conversion between LCN's proprietary protocol ↔ Remote PNM protocol, opening up data channels between the local control network and remote field devices

Long-distance and highly reliable data transmission: Support RS-485 differential / optical fiber communication, with strong anti-interference capability, the farthest transmission distance is 12 km, meeting the distributed control requirements of large factory areas

Remote I/O and Field Device Communication Gateway: Acting as a bridge between LCN and remote I/O stations, field controllers, supporting process point reading and writing, data collection, remote monitoring and diagnosis

Signal modulation and data error correction: Built-in modulation and demodulation circuits and CRC verification, automatically correcting transmission errors, ensuring the integrity of long-distance communication data

Network isolation and signal enhancement: Isolating the LCN internal network from the remote field network, amplifying signal strength, reducing interference, and improving system stability Applicable scenarios

System: Honeywell TDC 3000, TPS (LCN compatible)

Equipment: LCN cabinet, remote I/O station, field control station, long-distance process network

Industry: Large-scale petrochemicals, thermal power, metallurgy, water treatment, oil and gas transmission

Application: Remote distributed control, long-distance data transmission, field equipment networking, system expansion, renovation of old systems