Schneider STBDRA3290 Standard Digital Output Module
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| Mobile | +8613666084105 | |||||||
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Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | STBDRA3290 |
| Product Name | Standard Digital Output Module |
| Product Series | Modicon STB Distributed I/O |
| Product Type | Relay Output Module |
| Number of Output Channels | 2 |
| Output Type | Electromechanical relay |
| Relay Contact Configuration | 1 normally open (NO) and 1 normally closed (NC) per channel |
| Rated Relay Coil Voltage | 24 V DC |
| Supported Output Voltage | 20–250 V AC / 5–30 V DC |
| Maximum Output Current | 7 A per contact |
| Output Logic | Positive or negative logic, configurable |
| OFF-to-ON Response Time | 10 ms |
| ON-to-OFF Response Time | 10 ms |
| Maximum Resistive Switching Capacity | 2100 VA |
| Minimum Load Current | 50 mA |
| Mechanical Life | 1,000,000 cycles |
| Electrical Life | 100,000 cycles under specified resistive-load conditions |
| Surge Protection | Integrated GMOV output surge protection |
| Relay Coil Protection | 10 A time-delay fuse in the power distribution module |
| Maximum Surge Current | 20 A for 10 ms with capacitive load |
| Channel-to-Channel Insulation | 500 V for 1 minute |
| Channel-to-Logic-Bus Insulation | 1780 V for 1 minute |
| Logic-Bus-to-Actuator-Bus Insulation | 1500 V for 1 minute |
| Logic Bus Current Consumption | 55 mA at 5 V DC |
| Power Supply | 24 V DC via power distribution module |
| Compatible I/O Base | STBXBA3000 |
| Compatible Power Distribution Modules | STBPDT3100 / STBPDT3105 |
| Hot Swapping | Supported with standard NIM configurations |
| Cold Swapping | Supported |
| Fallback Behavior | De-energized outputs with basic NIM; configurable with standard NIM |
| Status Indicators | Green RDY module status LED, green OUT1–OUT2 channel LEDs and red ERR fault LED |
| Protection Rating | IP20 |
| Overvoltage Category | II |
| Dimensions | 26.1 × 128.3 × 70 mm |
| Weight | 0.13 kg |
FAQ
Q1: What is the main function of the Schneider STBDRA3290?
A1: The STBDRA3290 is a two-channel relay output module for the Modicon STB distributed I/O system. It allows a PLC to switch external AC or DC loads through relay contacts, making it suitable for controlling contactors, indicator circuits, solenoid valves and other compatible industrial equipment.
Q2: What output voltage and current can the STBDRA3290 handle?
A2: The relay contacts support 20–250 V AC or 5–30 V DC, with a maximum current of 7 A per contact under the specified operating conditions. The actual allowable load depends on the voltage, load type and switching frequency. Inductive loads may require additional suppression.
Q3: What does the NO/NC contact configuration mean?
A3: Each relay provides normally open (NO) and normally closed (NC) contact functionality. The NO contact closes when the relay operates, while the NC contact opens. This arrangement allows the module to support different control circuit designs, depending on the required default state.
Q4: Why does a relay output fail to switch the connected device?
A4: Check the PLC output command, module status LEDs, relay coil supply and field wiring. Confirm that the load voltage and current are within the contact ratings. If the output indicator changes but the load does not respond, inspect the external circuit, relay contacts and any protective devices.
Q5: What protection features are provided by the STBDRA3290?
A5: The module incorporates GMOV output surge protection. Relay coil protection is provided through a 10 A time-delay fuse in the power distribution module. These features help manage electrical disturbances, but appropriate external protection may still be necessary for inductive loads.
Q6: Can the STBDRA3290 switch motors or other inductive loads directly?
A6: The relay can switch compatible loads within its rated electrical limits, but motor starting current and inductive switching surges must be considered. For larger motors or loads with high inrush current, use a suitably rated contactor or interposing relay rather than relying solely on the module’s contact rating.
Q7: Can the STBDRA3290 be replaced while the system is powered?
A7: Hot swapping is supported with standard NIM configurations, and cold swapping is also supported. However, the permitted procedure depends on the network interface module and system configuration. Confirm the installation documentation before replacement, and isolate field power where required for safe maintenance.
Q8: What should be checked after installing a replacement STBDRA3290?
A8: Verify that the module is properly seated in the compatible base, field wiring is secure and the relay supply is correct. Check the RDY and ERR indicators, then test both output channels individually with the intended loads. Confirm that the NO/NC contacts operate as expected and that no communication or diagnostic faults remain.
Schneider STBDRA3290 Standard Digital Output 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.
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