OTB1S0DM9LP
Schneider Electric
Overview
The OTB1S0DM9LP is an automation component in the the Schneider Electric automation portfolio range from Schneider Electric. Distributed I/O Module, Serial interface, 20 I/O, Advantys OTB.
Application & Technical Notes
As a the schneider electric automation portfolio device, the OTB1S0DM9LP is intended for deployment in panel-based control cabinets and machine enclosures where the Schneider Electric automation portfolio equipment is installed. It performs a defined automation function within the control system and is selected to match the installed Schneider Electric platform.
Key published characteristics include a 24 V DC (20.4...26.4 V) rating, an operating temperature range of 0...+55 °C. These values should be confirmed against the current manufacturer datasheet before final selection, as options and suffixes vary by configuration.
Maintenance & Diagnostics
Respect the published operating temperature window (0...+55 °C); do not exceed it during commissioning or in enclosed panels without airflow. For storage and transit, keep the unit within -25...+70 °C. Avoid condensation — the rated humidity is 10...95% (non-condensing); store and operate the module in a dry, pollution-degree-appropriate enclosure. Inspect terminals and connectors for corrosion or looseness, and confirm the module seats correctly in its carrier. Always de-energise the circuit and follow lock-out/tag-out before handling; refer to the official instruction bulletin for service procedures.
Sourcing & Procurement
When sourcing the OTB1S0DM9LP, distinguish three supply tiers: (1) genuine Schneider Electric stock from an authorised distributor; (2) compatible equivalents or surplus/NOS (new-old-stock) from third parties; (3) alternative parts offering equivalent function. Genuine supply carries the full warranty and traceability; compatible or alternative items may be cheaper but should be validated for form, fit, firmware and certification before use in a live system. PLCXpert publishes this page as an independent reference and does not sell the part — verify every claim with the manufacturer or your distributor.
Confirm mechanical and electrical compatibility with your the Schneider Electric automation portfolio installation and the intended function. Lead times and pricing vary by region and lifecycle status; obtain a current quote from an authorised channel rather than relying on stale listings.
Frequently Asked Questions
What is the OTB1S0DM9LP?
The OTB1S0DM9LP is a the schneider electric automation portfolio device in the the Schneider Electric automation portfolio range from Schneider Electric. It belongs to the the Schneider Electric automation portfolio automation family.
What are the key technical ratings of the OTB1S0DM9LP?
Its published highlights include 24 V DC (20.4...26.4 V), operating temperature 0...+55 °C. Full electrical, mechanical and environmental limits are listed in the manufacturer datasheet and should be confirmed for your exact suffix.
How is the OTB1S0DM9LP mounted or installed?
Installation follows the standard the Schneider Electric automation portfolio mounting practice for this device class; refer to the installation manual for exact dimensions and torque.
Is the OTB1S0DM9LP compatible with my controller?
It is part of the the Schneider Electric automation portfolio family. Confirm the specific rack, firmware revision, slot rules and configuration with the controller documentation before purchase, as compatibility depends on the exact system build.
What should I check before buying the OTB1S0DM9LP?
Verify the genuine part number and suffix, confirm it matches your platform and ratings, check the current lifecycle/availability status, and buy from an authorised distributor. PLCXpert provides this reference only and does not sell the component.
Specifications
Distributed I/O Module, Serial interface, 20 I/O, Advantys OTB
Device Type
| Device classification | Bus coupler / distributed I/O slave (not a programmable controller) |
|---|
I/O Capacity
| 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 (max) | Up to 7 TM2 expansion modules |
Communication
| Built-in ports | 1× RS-485 (terminal block) |
|---|---|
| Protocols | Modbus RTU/ASCII |
| Communication expansion | Defined by NIM (Network Interface Module) variant; this NIM = Modbus serial (RS-485 RTU/ASCII); no further comms expansion |
Electrical
| Supply voltage | 24 V DC (20.4...26.4 V) |
|---|---|
| Power consumption | 19 W |
| Bus current | 700 mA at 26.2 V (supply circuit) |
Environmental
| Operating temperature | 0...+55 °C |
|---|---|
| Storage temperature | -25...+70 °C |
| Relative humidity | 10...95% (non-condensing) |
| Protection rating | IP20 |
Physical
| Dimensions (H×W×D) | 90 × 55 × 70 mm |
|---|---|
| Weight | 0.195 kg |
Status
| Lifecycle | Discontinued; Replacement: TM3BCEIP + TM3 distributed I/O (Last verified: 2026-09) |
|---|
Lifecycle
Reproduced from the manufacturer's published data. Values marked "Not available" are absent from the source document.