170PNT11020
May 23, 2026

170PNT11020

The 170PNT11020 is a single‑port Modbus Plus (MB+) communication adapter for the Modicon Momentum I/O platform, using IEC 61131‑2 data format. It connects any Momentum I/O base to an MB+ network, enabling high‑speed (1 Mbps), deterministic data exchange between PLCs (Premium/Quantum), I/O, and other MB+ devices. Designed for non‑redundant, single‑trunk MB+ networks, it mounts directly to Momentum I/O bases for compact, distributed automation.

Description

1. General Description

The 170PNT11020 is a single‑port Modbus Plus (MB+) communication adapter for the Modicon Momentum I/O platform, using IEC 61131‑2 data format. It connects any Momentum I/O base to an MB+ network, enabling high‑speed (1 Mbps), deterministic data exchange between PLCs (Premium/Quantum), I/O, and other MB+ devices. Designed for non‑redundant, single‑trunk MB+ networks, it mounts directly to Momentum I/O bases for compact, distributed automation.

2. Product Identification

  • Model Number: 170PNT11020

  • Manufacturer: Schneider Electric (Modicon)

  • Product Line: Modicon Momentum (TSX Momentum)

  • Protocol: Modbus Plus (MB+), IEC 61131‑2 data format

  • Network Type: Non‑redundant (single‑cable trunk)

  • Ports: 1 × DB9 (RS485, MB+ compliant)

  • Data Rate: 1 Mbps

  • Power: 24 VDC (supplied via I/O base)

  • Power Consumption: ≤ 5 W

  • Dimensions: 90 mm × 160 mm × 60 mm (W×H×D)

  • Weight: ~0.3 kg (0.66 lb)

  • Mounting: DIN rail (via I/O base)

  • Warranty: 12 months

  • Status: Obsolete (replaced by 170ENT11001)

3. Electrical & Environmental Specifications

  • Communication Interface: 1 × DB9 female (MB+ pinout, RS485 differential)

  • Signaling: 1 Mbps, IEC 61131‑2 data format

  • Cable: Shielded twisted pair (MB+ compliant)

  • Max Network Length: 2,000 m (6,560 ft) without repeaters

  • Operating Voltage: 24 VDC ±10% (from I/O base)

  • Operating Temperature: -25 °C to +60 °C (-13 °F to 140 °F)

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

  • Humidity: 5%–95% RH (non‑condensing)

  • Altitude: Up to 1,000 m (3,280 ft) (no derating)

  • Protection Class: IP20 (indoor use)

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

4. Compatibility

  • Platforms: Modicon Momentum (170 series), Quantum, Premium

  • I/O Bases: All Momentum I/O bases (170 series)

  • PLCs: Modicon Premium, Quantum, M340 (with MB+ interface)

  • Software: Unity Pro, MB+ Network Configurator, 984 Ladder Logic

  • Topologies: MB+ peer‑to‑peer, master‑slave, linear trunk/drop (single‑cable)

5. Key Features

  • Single‑Port MB+ (DB9): Cost‑effective for standard non‑redundant networks

  • IEC 61131‑2 Format: Native compatibility with Momentum and Unity Pro

  • 1 Mbps Deterministic Speed: Real‑time data transfer for process control

  • Hot‑Swap Ready: Replace adapter without network shutdown

  • LED Status Indicators:

    • PWR (Green): Module powered up

    • MB+ ACT (Green): Network communication active

    • ERR (Red): Communication error or fault

  • DB9 Connector: Robust, industry‑standard for MB+ networks

  • Easy Installation: Tool‑free clip‑on mounting to I/O base

6. Applications

  • Distributed I/O in Momentum racks (single‑cable MB+ networks)

  • High‑speed PLC‑to‑I/O and PLC‑to‑PLC communication (Premium/Quantum)

  • Factory floor automation (material handling, packaging, process control)

  • Retrofit of legacy systems with modern Momentum I/O (IEC format)

  • Compact panel and machine‑mounted I/O solutions (cost‑optimized)

7. Installation Instructions

  1. Power Off: Disconnect power to the Momentum I/O base.

  2. Align Adapter: Slide the 170PNT11020 onto the I/O base’s communication connector.

  3. Lock in Place: Press until side clips click, securing the adapter.

  4. Connect MB+ Cable: Plug shielded DB9 cable into the adapter’s MB+ port.

  5. Terminate Network: Install 120 Ω termination resistors at both ends of the MB+ trunk.

  6. Power On: Restore power; verify PWR and MB+ ACT LEDs illuminate.

  7. Configure Network: Use Unity Pro or MB+ Configurator to set the adapter’s unique MB+ address (IEC format).

8. Maintenance

  • Quarterly Inspection: Check DB9 connector for wear, dirt, or bent pins.

  • LED Check: Confirm PWR is on and MB+ ACT flashes during communication.

  • Cable Care: Avoid sharp bends, vibration, or stress on MB+ cables.

  • Shield Integrity: Ground shield at one end only (MB+ standard).

  • Replacement: Replace adapter if ERR is steady or communication fails (after cable/termination check).

9. Safety Precautions

  • Qualified Personnel: Installation/service by qualified technical staff only.

  • Power Disconnection: Always disconnect power before installing/removing the adapter.

  • Indoor Use Only: For indoor industrial environments; avoid moisture, direct sunlight.

  • Damage Check: Do not use if adapter, connectors, or insulation are damaged.

  • Disposal: Dispose per local electronic waste regulations.

10. Troubleshooting

No MB+ Communication

  • Confirm PWR LED is on (24 VDC power to I/O base).

  • Check DB9 cable is fully seated and locked.

  • Verify 120 Ω termination at trunk ends.

  • Ensure unique MB+ address (no duplicates).

Intermittent Communication

  • Inspect for loose DB9 connector or bent pins.

  • Check for excessive vibration or cable movement.

  • Verify shield is grounded at one end only.

  • Reduce network load or check for faulty nodes.

ERR (Red LED) On

  • MB+ network fault (short circuit, open cable, or duplicate address).

  • Check cable continuity and termination.

  • Verify no other node uses the same MB+ address.


Get a Quote