Product Overview
The Honeywell 05701-A-0283 is a factory-fitted Sensor Drive Module that plugs directly onto the channel control card. It conditions incoming catalytic or 4-20mA sensor signals and supplies the necessary sensor power. This module contains all circuitry to generate required voltages and currents, acquire the sensor signal, and scale it to a standard output. For oil, gas, and industrial automation teams, this means fewer wiring headaches and faster commissioning.

Key Parameters That Drive Value
Every specification on the 05701-A-0283 ties directly to operational cost and efficiency. The 4-20mA signal conditioning eliminates the need for external signal converters, reducing panel space and wiring labor. With an operating temperature range of -5°C to +55°C and humidity tolerance of 0 to 90% RH (non-condensing), the module performs reliably in harsh field environments without additional climate control.
Serial communication supports asynchronous data with 8 data bits, 1 or 2 stop bits, and parity options of odd, even, or none. Baud rates of 19200, 9600, 4800, and 2400 give you flexibility to match existing network speeds, avoiding costly infrastructure upgrades. The MODBUS RTU protocol with functions 02, 03, 04, 06, and 16 ensures seamless integration with most control systems.
For RS485/422 applications, the interface module draws a maximum of 1.5W from the engineering card and weighs just 30g. It supports up to 31 nodes in RS485 multi-drop or 10 nodes in RS422, with a maximum cable length of 1200m (3900ft). That reach reduces the need for repeaters and additional hardware. The RS232 module consumes only 0.75W maximum, supports cable lengths up to 15m (49ft), and handles data rates up to 9600 bits per second.
Technical Specifications
| Specification | Value |
|---|---|
| Input Signal | Catalytic or 4-20mA |
| Operating Temperature | -5°C to +55°C |
| Storage Temperature | -25°C to +55°C |
| Humidity | 0 to 90% RH (Non-condensing) |
| Serial Format | Asynchronous Serial Data |
| Data Bits | 8 |
| Baud Rates | 19200, 9600, 4800, 2400 |
| Stop Bits | 1 or 2 |
| Parity | Odd, Even, or None |
| MODBUS Mode | RTU |
| MODBUS Functions | 02, 03, 04, 06, 16 |
| RS485/422 Power | 1.5W maximum |
| RS232 Power | 0.75W maximum |
| Weight | 30g |
| Field Terminals | 2.5mm² (14 AWG) |

Cost-Effective Integration and Maintenance
The 05701-A-0283 simplifies system design by combining sensor drive, signal conditioning, and communication in one plug-in module. This reduces component count and installation time, directly lowering project costs. The RS485 interface supports cable runs up to 1200m, which minimizes the number of repeaters and power supplies needed across large facilities.
Maintenance is straightforward: periodic inspection of connections and signal integrity helps prevent unplanned downtime. The module’s thermal shutdown protection and 50V isolation add a layer of reliability that protects downstream equipment. For teams running continuous processes, that reliability translates to fewer production interruptions and lower total cost of ownership.
When to Choose This Module
Select the 05701-A-0283 when you need to interface catalytic or 4-20mA sensors with a Honeywell control system using MODBUS RTU over RS485/422 or RS232. It suits oil and gas installations, chemical plants, and industrial automation setups where signal integrity and network flexibility matter. Before ordering, verify your channel control card compatibility and network requirements. Contact Oil AutoTech today for pricing and availability.
