Honeywell 51304493-250 PM MODEM Communication Card

The Honeywell 51304493-250 PM MODEM Communication Card enables remote data exchange between process controllers and offsite monitoring systems. This 51304493-250 communication card handles modem-based signal transmission across industrial networks. Plant engineers specify this card when remote diagnostics and telemetry links require dependable hardware support.

Technical Specifications Overview

Parameter	Detail
Model	51304493-250
Category	PM MODEM Communication Card
Card Type	Modem communication interface
Interface	Backplane connector plus modem line port
Mounting	Chassis slot installation
Function	Remote data transmission and telemetry
Communication Role	Modem signal handling
Compatibility	Honeywell process control systems

Communication and Signal Handling

The converts controller data into modem-ready signals for remote transmission. Its line port supports stable connections over standard communication channels. Furthermore, the card manages handshake and error-checking routines without burdening the host processor. This design keeps remote data links reliable across long distances.

Installation and Slot Integration

Engineers install the 51304493-250 directly into a compatible chassis slot. The backplane connector supplies power and data paths through a single insertion point. Additionally, the card requires no external adapter hardware for standard modem configurations. Technicians therefore complete replacements quickly during scheduled maintenance windows.

Application Notes

System integrators deploy this 51304493-250 card in remote monitoring and telemetry expansion projects. It suits applications that demand continuous data exchange between plant and offsite systems. Meanwhile, its Honeywell engineering lineage ensures fit with related controller and I/O hardware. Keep a spare card available for critical communication nodes.