Schneider SR3XT141BD Discrete I/O Expansion Module
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model Number | SR3XT141BD |
| Product Type | Discrete I/O Expansion Module |
| Product Series | Zelio Logic |
| Main Function | Digital input and output expansion for smart relays |
| Total I/O Points | 14 |
| Digital Inputs | 8 |
| Digital Input Type | Resistive, Type 1, conforming to EN/IEC 61131-2 |
| Digital Input Voltage | 24 V DC |
| Rated Supply Voltage | 24 V DC |
| Supply Voltage Range | 19.2–30 V DC |
| Digital Input Current | 4 mA |
| Guaranteed ON-State Voltage | ≥ 15 V DC |
| Guaranteed OFF-State Voltage | ≤ 5 V DC |
| Input Counting Frequency | Up to 1 kHz |
| Digital Outputs | 6 relay outputs |
| Output Contact Type | Normally open (NO) |
| Relay Output Voltage | 24–250 V AC / 5–30 V DC |
| Minimum Switching Capacity | 10 mA at 12 V |
| Relay Mechanical Durability | 10 million operating cycles |
| Relay Response Time | 10 ms from OFF to ON; 5 ms from ON to OFF |
| Programming Compatibility | Compatible Zelio Logic smart relay |
| Maximum Program Capacity | 120 ladder logic lines |
| Cycle Time | 6–90 ms |
| Program Memory Backup | Up to 10 years at 25°C |
| Clock Drift | Approximately 12 minutes per year at 0–55°C |
| Reverse Polarity Protection | Yes |
| Mounting Type | 35 mm DIN rail or screw mounting |
| Connection Type | Screw terminals |
| Terminal Tightening Torque | 0.5 N·m |
| Protection Rating | IP40 front panel / IP20 terminals |
| Operating Temperature | -20°C to +55°C |
| Dimensions | 107.6 x 72 x 59.5 mm |
| Weight | 0.22 kg |
FAQ
Q1: What is the main function of the Schneider Electric SR3XT141BD?
The SR3XT141BD is a discrete I/O expansion module in the Zelio Logic series. It adds eight digital inputs and six relay outputs to a compatible smart relay, allowing the controller to handle additional sensors, switches, contactors, and other field devices.
Q2: Which smart relays are compatible with the SR3XT141BD?
The module is designed for compatible Schneider Electric Zelio Logic SR2 and SR3 smart relays that support discrete I/O expansion. Confirm the main relay’s full model number and expansion compatibility before installation. This version uses a 24 V DC supply and should not be confused with AC-powered or other DC variants.
Q3: What power supply does the SR3XT141BD require?
The module is rated for 24 V DC, with an allowable supply range of 19.2–30 V DC. Check supply polarity and voltage before powering up the system. Although reverse-polarity protection is provided, correct wiring is still necessary for reliable operation.
Q4: What types of signals can the eight digital inputs accept?
The eight inputs are designed for 24 V DC discrete signals and comply with Type 1 input characteristics under EN/IEC 61131-2. They can monitor compatible switches and sensors. The guaranteed ON-state voltage is at least 15 V DC, while the guaranteed OFF-state voltage is no more than 5 V DC.
Q5: What are the specifications of the six relay outputs?
The module has six normally open relay outputs. The specified switching voltage range is 24–250 V AC or 5–30 V DC. The minimum switching capacity is 10 mA at 12 V. Actual load capacity depends on the load type and operating conditions, so check the manufacturer’s output ratings before connecting motors, solenoids, or other inductive loads.
Q6: Does the SR3XT141BD operate as a standalone controller?
No. The SR3XT141BD is an expansion module, not an independent programmable controller. Its I/O points are managed by a compatible Zelio Logic smart relay. The control logic is configured in the main relay’s application using supported programming software.
Q7: What should I check if the module’s inputs or outputs do not respond?
Start by checking the 24 V DC supply, the connection between the expansion module and the main relay, and all terminal wiring. For input faults, measure the field signal at the relevant terminal. For output faults, inspect the load circuit, protective devices, and relay contacts. Disconnect power before modifying wiring or performing continuity tests.
Q8: How should the SR3XT141BD be installed and maintained?
Install the module on a compatible 35 mm DIN rail or use the designated screw-fixing points. Keep wiring secure and ensure the control cabinet provides suitable ventilation and environmental protection. During routine maintenance, inspect terminal connections, check for signs of overheating, and confirm that all inputs and outputs operate correctly.
Schneider SR3XT141BD Discrete I/O Expansion Module is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
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Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
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