Schneider 170PNT11020 Modbus Plus Communication Adapter

Overview

The Schneider 170PNT11020 is a Modbus Plus communication adapter designed for the Modicon Momentum automation platform. It allows a Momentum I/O base to operate as a node on a Modbus Plus network. The adapter supports a 1 Mbit/s transmission speed via a tap-off cable. It enables peer-to-peer token bus communication, ensuring reliable and high-speed data exchange. This device fits well in manufacturing, infrastructure, and process automation environments. Its compact design includes dual SUB-D 9-pin connectors for network and redundant connections. LED indicators provide clear status on communication and fault diagnostics. The unit is powered directly from the I/O base.

Technical Specifications

• Product Type: Modbus Plus Communication Adapter

• Platform Compatibility: Modicon Momentum series

• Communication Protocol: Modbus Plus

• Transmission Speed: 1 Mbit/s

• Connection Type: Tap-off cable

• Access Method: Peer-to-peer token bus

• Data Format: IEC 61131-2 standard

• Power Supply: Supplied by I/O base

• Electrical Connections:

• 2 × SUB-D 9-pin connectors (network and redundant network)

• Local Signaling:

• 1 green LED for power/communication (MB + ACT)

• 2 red LEDs for communication errors (ERR A and ERR B)

• Topology: Multidrop, device connection via extension or tap-off cable

• Number of Devices:

• Up to 31 devices per segment

• Up to 63 devices total on all segments

• Maximum Cable Distance: 5000 m with repeater

• Fail State Management:

• Forcing to zero

• Maintaining last value

• Fallback to zero

• Certifications: CE, CSA, UL, FM Class 1 Division 2

• Environmental:

• Operating Temperature: 0 to 60 °C

• Storage Temperature: -40 to 85 °C

• Relative Humidity: 95% non-condensing

• Operating Altitude: ≤ 5000 m

• Electrostatic Discharge: 4 kV contact, 8 kV air (IEC 801-2)

• Electromagnetic Field Resistance: 10 V/m, 80-1000 MHz (IEC 801-3)

• Environmental Compliance: RoHS compliant, mercury-free

• Dimensions and Weight:

• Package Height: 5.5 cm

• Package Width: 18 cm

• Package Length: 26 cm

• Package Weight: 213 g

• Recommended Replacements:

• 170ENT11001 (Ethernet, 10/100 Mbit/s)

• 170ENT11002 (Ethernet, 10 Mbit/s)