1. General Description

2. Product Identification

• Model: 170LNT71000

• Series: Modicon Momentum

• Type: DeviceNet Communication Adapter

• Protocol: DeviceNet (CAN-based)

• Interface: 1×5-pin terminal block (DeviceNet)

• Baud Rates: 125 / 250 / 500 kbps (selectable)

• Node Address: 0–63 (set via rotary switches)

• LEDs: RUN, FLT, NET

• Dimensions: 125 × 45 × 100 mm

• Weight: 0.09 kg

• Protection: IP20

• Certifications: CE, UL, cUL, CSA, RoHS

• Firmware: v1.41 (not field-upgradable)

3. Communication Specifications

• Network: DeviceNet (multi-drop trunk topology)

• Max Nodes: 64 devices per segment

• Data Sizes: Inputs up to 128 bytes; Outputs up to 128 bytes

• Connection Modes: Polled, Strobe, Change-of-State (COS)

• Error Control: CRC, CAN error framing

• Isolation: Galvanic isolation between backplane and DeviceNet

4. Electrical Specifications

• Power: 24 VDC from Momentum backplane

• Voltage Range: 19.2–28.8 VDC

• Current Draw: ~130 mA

• Protection: Surge, ESD, overcurrent

• DeviceNet Power: Powered via network (24 VDC)

5. Environmental Ratings

• Operating Temp: 0 °C to +60 °C (non-condensing)

• Storage Temp: -40 °C to +85 °C

• Humidity: 5%–95% (no condensation)

• Vibration: IEC 60068-2-6

• Shock: IEC 60068-2-27

• Altitude: Up to 5,000 m (derate >2,000 m)

6. Key Features

• DeviceNet Master/Slave communication support

• Multiple baud rates for flexible network design

• Rotary-switch node addressing (no software needed)

• Multi-drop trunk topology for up to 64 nodes

• Three LEDs for run, fault, and network status

• Hot-pluggable on Momentum I/O bases

• Compatible with all Momentum I/O bases

• Supports bidirectional discrete and analog modules

7. Compatibility

• I/O Bases: All Modicon Momentum 170-series bases

• PLCs: Quantum, Premium, M340, Momentum M1/M2

• Software: Unity Pro, SoMachine, DeviceNet configuration tools

• Cables: DeviceNet shielded twisted pair (5-pin)

• Wire Gauge: 14–22 AWG

8. Applications

• Factory floor distributed I/O control

• Automotive assembly lines

• Material handling and conveyor systems

• Packaging machinery

• Process control (water treatment, HVAC)

• CAN-based device networking

9. Installation & Operation

1. Power off the Momentum rack.

2. Insert the adapter into the communication slot of a Momentum I/O base and lock it.

3. Set the node address (0–63) via rotary switches.

4. Select the baud rate via switches (125/250/500 kbps).

5. Connect the DeviceNet cable to the 5-pin terminal block.

6. Power on; verify RUN LED is steady, FLT off, NET blinking.

7. Configure in PLC software and test I/O communication.

10. Maintenance

• Inspect connections and LEDs every 6 months.

• Keep the module clean and dry.

• Check cable shielding and termination integrity.

• Avoid corrosive environments and excessive vibration.

11. Safety Notes

• Installation/service only by qualified electricians.

• Disconnect power before wiring.

• Do not exceed 28.8 VDC on backplane or network.

• Maintain proper shielding to avoid EMI.

• Dispose of per local e-waste regulations.

12. Troubleshooting

• FLT ON: Node address conflict, duplicate node, or bus overload.

• NET OFF: No network power, wrong baud rate, or cable break.

• Data Freeze (bidirectional modules): Firmware v1.21 issue; use only Polled mode or upgrade to v1.41.