3170-MBS | ProSoft Modbus Slave Communications Adapter Module

Product Description

The 3170-MBS from ProSoft Technology is a single-slot Modbus Slave communications adapter designed for seamless integration of Modbus devices with Rockwell Automation PLCs. It enables data exchange between heterogeneous networks using a common memory database, providing reliable communication for SCADA and field device applications. The module supports configurable serial ports, high-level diagnostic monitoring, and floating-point data transfer compatible with multiple implementations.

Form Factor & Compatibility

• Form Factor: Single-slot, compatible with 1794 backplane

• Backplane Compatibility: Installable in any backplane slot

• Backplane Current Load: 20 mA @ 5 V

Power & Electrical

• External Power Supply: 12–24 VDC

• Current Draw: 340 mA–170 mA

• Optical Isolation: 500 V from backplane

Environmental Specifications

• Operating Temperature: 0°C to 55°C (32°F to 131°F)

• Storage Temperature: -40°C to 85°C (-40°F to 185°F)

• Shock: 30 g operational, 50 g non-operational

• Vibration: 5 g, 10–150 Hz

• Relative Humidity: 5–95% RH, non-condensing

LED Indicators

• Module Status

• Backplane Transfer Status

• Application Status

• Serial Activity/Error Status

Serial Ports

• Configuration Port (PRT 1): Mini-DIN RS-232 with hardware handshaking

• Application Port (PRT 2): Mini-DIN RS-232/422/485, jumper selectable

Physical Dimensions

• Height × Width × Depth: 3.7 × 3.7 × 2.7 in (94 × 94 × 69 mm)

• Weight: 0.5 kg (approx.)

Key Features

• Network Integration: Enables data exchange across two communication protocols using a shared memory database

• Diagnostics: View network and application diagnostics from a single configuration/debug port

• Modbus Slave Interface:

• Emulates Modbus slave on configurable application port

• Supports Modbus RTU and ASCII protocols

• Floating-point data transfer compatible with Enron, Daniel®, and other formats

Applications

Ideal for SCADA systems and field device interfaces requiring Modbus slave connectivity. It facilitates integration of legacy and modern devices within a single network environment.

FAQ

Q: How many Modbus protocols does this module support?
A: Supports both Modbus RTU and Modbus ASCII protocol versions.

Q: Can it handle floating-point data?
A: Yes, including Enron, Daniel®, and other floating-point formats.

Q: What kind of serial connections are available?
A: Configurable RS-232/422/485 serial ports with jumper selection for flexibility.