Product details
OTB1S0DM9LP – Schneider Electric Modicon OTB I/O Distributed Module
Schneider Electric presents the OTB1S0DM9LP from the Modicon OTB series. This I/O distributed module uses a Modbus non-isolated serial link. Moreover, it works in tight spaces and handles fast data. As a result, it fits many automation needs.
Product Description
- Brand: Schneider Electric
- Model: OTB1S0DM9LP
- Series: Modicon OTB
- Type: I/O distributed module
- Uses Modbus RTU/ASCII over RS485
- Two RJ45 ports work in parallel
- Supports daisy-chain or tap junctions
- Compact size saves panel space
- IP20 protection for indoor use
- Ideal for small to medium control systems
Technical Data
- Brand: Schneider Electric
- Model: OTB1S0DM9LP
- Series: Modicon OTB
- Discrete Inputs: 12 (IEC 61131 type 1)
- Input Logic: Sink or source
- Input Current: 5 mA (I0–I1, I6–I7), 7 mA (I2–I5, I8–I11)
- Discrete Outputs: 2 solid state PNP + 6 relay
- Output Current: 2000 mA relay, 300 mA solid state
- Input Voltage: 24 V DC (20.4–26.4 V limits)
- Output Voltage: 24 V DC solid state, 240 V AC relay, 30 V DC relay
- Max Output Current: 360 mA solid state
- Response Time: 5 µs solid state, 300 µs relay
- Filtering Time: Configurable 0, 3, or 12 ms
- Counting Frequency: 5000 Hz or 20000 Hz
- Pulse Generator: 2 channels, 7 kHz
- Bus Length: 0–10 m or 0–15 m
- Devices per Segment: 0–32
- Data Format: 7 or 8 bits, 1 or 2 stop bits
- Parity: None, Even, Odd
- Supply Voltage: 24 V DC (20.4–26.2 V)
- Power Consumption: 19 W
- Insulation: 1500 Vrms relay, 500 Vrms input/solid state
- Operating Temp: 0…55 °C
- Storage Temp: -25…70 °C
- Humidity: 30…95 % no condensation
- Altitude: 0…2000 m operating
- Vibration: 1 gn 57–150 Hz
- Shock: 15 gn 11 ms
- ESD: 4 kV contact, 8 kV air
- Radiated Fields: 10 V/m 80 MHz–2 GHz
- Fast Transients: 1 kV I/O, 2 kV supply
- Weight: 0.19 kg
- Dimensions: 8.5 mm clamp pulled out
Installation Guide
- Mount on 35 mm symmetrical DIN rail
- Use screws with fixing kit for panel
- Keep clearance for airflow
- Connect 24 V DC power supply
- Use 2 A fast-blow fuse ABE7FU200
- Wire outputs with proper fuse
- COM terminals are not internally connected
Debugging and Maintenance
- Check status LEDs: I/O green, PWR green, ERR red, COM yellow
- Verify input filtering settings
- Test counting and pulse outputs
- Inspect wiring for loose connections
- Keep environment within humidity and temperature limits
- Clean with dry cloth only
Compatibility Notes
- Works with Modbus RTU/ASCII masters
- Connects via RS485 two twisted shielded pairs
- Supports up to 7 I/O expansions
- Accepts screw terminal, spring terminal, or HE10 connectors
- Analog I/O options available
Certifications
- CE marked
- cULus certified
- CSA C22.2 No 213 Class I Division 2 Groups A, B, C, D
- UL 508
- IEC/EN 61131-2
- Green Premium product
- RoHS compliant (EU, China)
- Mercury free
Package Contents
- 1 x OTB1S0DM9LP module
- 1 x removable screw terminal block
- 1 x fixing kit for panel mount
- 1 x product datasheet
Warranty and Shipping
- Warranty: 12 months
- Dispatch: 12–24 hours
- Couriers: FedEx, UPS, DHL
- Contact: sales@powergearx.com
- Phone/WhatsApp: +86 18030005825
Expert Review
This module packs solid I/O into a small footprint. The Modbus serial link is reliable. Also, the mixed output types give flexibility. Response times are fast for solid state. In addition, relay outputs handle higher loads. The IP20 rating limits use to clean cabinets. However, setup is straightforward with clear LEDs. Therefore, it suits distributed control near sensors and actuators.
Manager’s Insight
For system integrators, the OTB1S0DM9LP cuts wiring time. Daisy-chain topology reduces cable runs. Moreover, the 32-device segment limit supports medium networks. Counting and pulse functions add value without extra modules. Because stock is non-standard, plan orders ahead. The 12-month warranty and fast dispatch reduce downtime risk.
Best Fit Devices and Applications
- Small conveyor controls
- Packaging machines
- Assembly stations
- Pump monitoring
- Light curtain interfaces
- Remote I/O panels
- Building automation subsystems
- Material handling sensors
FAQ
Q: What is the Modbus address range?
A: The module supports 0–32 devices per segment. Use standard Modbus addressing.
Q: Can I mix solid state and relay outputs?
A: Yes. Outputs 0 and 1 are solid state. Outputs 2 through 7 are relay.
Q: How do I set input filtering?
A: Choose 0 ms, 3 ms, or 12 ms in configuration. This helps reject noise.
Q: What fuse should I use?
A: Use a 2 A fast-blow fuse. The ABE7FU200 is recommended.
Q: Does it work with 240 V AC loads?
A: Yes, relay outputs handle 240 V AC. Solid state outputs are 24 V DC only.
Q: What is the counting frequency?
A: It supports 5000 Hz or 20000 Hz. Pick based on your encoder or pulse source.
Q: How many expansions can I add?
A: Up to 7 I/O expansions. This gives up to 244 discrete points.
Q: Is the module isolated?
A: The serial link is non-isolated. Relay outputs have 1500 Vrms isolation.
Q: What is the fastest response time?
A: Solid state outputs respond in 5 µs. Relay outputs take 300 µs.
Q: How do I mount it?
A: Use 35 mm DIN rail or screw mount with the fixing kit.
Buying Guide
- Check your I/O count first. This module has 12 inputs and 8 outputs.
- Confirm you need mixed output types. If all relays, look at other models.
- Verify your network uses Modbus RTU/ASCII over RS485.
- Plan for IP20 protection. Use inside a cabinet.
- Order spare fuses and terminal blocks.
- Consider lead time. This item is non-stock.
- For fast delivery, contact us via WhatsApp or email.
Copyright © 2026 Powergear X Automation Limited. All rights reserved.
Original Source: https://www.powergearx.com/
There are no reviews yet.