OTB1CODM9LP Schneider Advantys OTB CANopen 20 I/O Module

OTB1CODM9LP Schneider Electric Advantys OTB Distributed I/O Module

OTB1CODM9LP is a CANopen distributed I/O slave from the Advantys OTB series by Schneider Electric. It packs 20 I/O points into a compact footprint. This module is not a programmable controller. It works as a bus coupler. It connects sensors and actuators to a CANopen network. The OTB1CODM9LP is discontinued. The recommended replacement is TM3BCEIP + TM3 distributed I/O. You can still find this module for legacy systems and quick spares.

Technical Data

• Brand: Schneider Electric
• Model: OTB1CODM9LP
• Series: Advantys OTB
• Device Type: Bus coupler / distributed I/O slave
• Digital Inputs: 12 (24 Vdc, sink/source, Type 1 per IEC 61131-2)
• Digital Outputs: 8 (2 solid-state PNP 0.3 A + 6 relay 2 A)
• Analog Inputs: None
• Analog Outputs: None
• High-Speed Counters: 2 × 20 kHz
• Pulse Outputs: 2 × 7 kHz pulse generator
• Expansion Modules: Up to 7 TM2 expansion modules
• Communication Port: 1× CANopen (SUB-D9)
• Protocol: CANopen (slave)
• Supply Voltage: 24 V DC (20.4…26.4 V)
• Power Consumption: 19 W
• Bus Current: 700 mA at 26.2 V (supply circuit)
• Operating Temperature: 0…+55 °C
• Storage Temperature: -25…+70 °C
• Relative Humidity: 10…95% (non-condensing)
• Protection Rating: IP20
• Dimensions (H×W×D): 90 × 55 × 70 mm
• Weight: 0.195 kg

Core Performance and Environmental Tolerance

• Measurement Range: Digital 24 Vdc logic
• Frequency Response: Counters up to 20 kHz
• Sensitivity: Standard industrial input threshold
• Linearity: Not applicable (digital I/O)
• Resolution: 1 bit per digital channel
• Temperature Range: 0 to +55 °C operating
• Environmental Resistance: IP20, 10–95% RH non-condensing
• Noise Immunity: Designed for industrial environments

Installation Guide

• Mount the OTB1CODM9LP on a DIN rail inside a control cabinet.
• Keep 20 mm clearance above and below for airflow.
• Connect 24 Vdc power to the supply terminals.
• Use the SUB-D9 port for the CANopen bus.
• Set the CANopen node ID and baud rate with the rotary switches.
• Wire inputs and outputs according to the terminal labels.
• Add up to 7 TM2 expansion modules on the right side.
• Terminate the CANopen bus at both physical ends.

Debugging and Maintenance Convenience

• LEDs show power, bus status, and I/O state.
• No special software is needed for basic diagnostics.
• Replace modules without rewiring the whole cabinet.
• Hot-swap is not supported. Power down before replacement.
• Check terminal tightness every 12 months.
• Clean dust from vents with dry low-pressure air.

Compatibility Notes

• Works as a CANopen slave only.
• Does not support EtherNet/IP or Modbus directly.
• Compatible with standard CANopen masters.
• Accepts TM2 expansion modules (max 7).
• Replacement path: TM3BCEIP + TM3 distributed I/O.
• Not pin-to-pin compatible with TM3. Check wiring.

Certifications and Approvals

• CE marked.
• UL listed for industrial control equipment.
• CSA certified.
• RoHS compliant.
• Designed to IEC 61131-2 input Type 1.

Packing List

• 1× OTB1CODM9LP module
• 1× quick start guide
• Terminal blocks are included.

Warranty and Shipping

• 12-month warranty from the invoice date.
• Orders ship within 12–24 hours on business days.
• Carriers: Fedex, UPS, DHL.
• Tracking number provided after dispatch.
• For inquiries: sales@powergearx.com or +86 18030005825.

Expert Review

The OTB1CODM9LP shows its age. But it still solves real problems in legacy CANopen machines. The mix of 2 solid-state PNP outputs and 6 relay outputs is rare. Relay outputs handle higher currents. Solid-state outputs switch fast. The 20 kHz counters help with speed feedback. The 7 kHz pulse outputs can drive small steppers or indicators. The main downside is limited expansion. You get only 7 TM2 modules. The module is discontinued. That means long-term availability is uncertain. For new projects, choose the TM3BCEIP + TM3 path. For existing machines, the OTB1CODM9LP is a practical drop-in spare.

Manager’s Insight

Buy this module if you run older Schneider CANopen systems. Keep one or two on the shelf. Downtime costs more than the spare. The 12-month warranty and 12–24 hour dispatch reduce risk. The OTB1CODM9LP is not for new designs. It is for keeping existing lines alive. The relay outputs handle valves and contactors. The PNP outputs drive lamps and small solenoids. The counters and pulse outputs add motion feedback without extra hardware. Stock is limited. Order when you see it available.

Best Fit Devices and Applications

• Legacy CANopen machines
• Packaging lines
• Material handling systems
• Small assembly cells
• Conveyor control
• Valve and actuator control
• Speed and position feedback
• Retrofit projects with existing Advantys OTB racks

FAQ

Q: Is the OTB1CODM9LP a programmable controller?

A: No. It is a bus coupler and distributed I/O slave. It needs a CANopen master.

Q: Can I use this module with EtherNet/IP?

A: No. This specific model uses CANopen only.

Q: How many expansion modules can I add?

A: Up to 7 TM2 expansion modules.

Q: Does it have analog inputs?

A: No. It has 12 digital inputs and 8 digital outputs only.

Q: What is the replacement for this module?

A: Schneider recommends TM3BCEIP + TM3 distributed I/O. Check wiring and mounts before you swap.

Q: How fast do you ship?

A: We dispatch in 12–24 hours. We use Fedex, UPS, or DHL.

Q: What is the warranty?

A: 12 months from the invoice date.

Q: Can I get help choosing a spare?

A: Yes. Email sales@powergearx.com or message +86 18030005825 on WhatsApp. Tell us your existing module and machine type.

Q: My machine uses OTB1CODM9LP. Should I buy the TM3 replacement now?

A: Only if you plan a full retrofit. The TM3 series is not a drop-in replacement. For quick repair, stay with the OTB1CODM9LP while stock lasts.

Q: What is the most common failure point?

A: Relay outputs wear out with heavy inductive loads. Add snubbers to extend relay life.

Buying Guide

• Check your CANopen master supports 20 kHz counters.
• Confirm you need relay outputs. They handle 2 A each.
• Count your I/O. 12 inputs and 8 outputs may be enough.
• Plan for 7 TM2 expansions. Do not exceed that number.
• Order a spare if your line runs 24/7.
• Ask for the replacement path if you plan a long-term upgrade.
• Contact us for stock and lead time before you order.

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