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Product Introduction
The Schneider BMXDRA0805 is an 8-channel discrete relay output module designed for use with Modicon M340 programmable logic controllers (PLC). This module allows the control of AC or DC loads by providing relay outputs, which are ideal for switching applications that require galvanic isolation and higher load capacity than transistor outputs can offer.
With robust relay contacts, the BMXDRA0805 module is suitable for switching inductive loads such as solenoids, contactors, and motors. The relay outputs provide electrical isolation between the logic system and the field devices, protecting sensitive control electronics. This makes the BMXDRA0805 an excellent choice for applications requiring safe switching of higher voltage and current loads in industrial automation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Number of Outputs | 8 Relay Outputs |
| Output Type | Electromechanical Relay |
| Rated Voltage | 250 V AC / 30 V DC |
| Maximum Current per Channel | 6 A |
| Contact Type | Form A (Normally Open) |
| Maximum Switching Power | 1500 VA (AC) / 180 W (DC) |
| Isolation | Electrical isolation between coil and contacts |
| Operating Temperature | 0 °C to 60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 5% to 95% non-condensing |
| Mounting | DIN Rail |
| Dimensions (HxWxD) | 160 x 100 x 35 mm |
| Weight | 0.145 kg |
| Status Indicators | LED per output channel |
| Certifications | CE, UL, CSA |
| Communication Interface | Backplane bus for Modicon M340 PLC |
Applications
The BMXDRA0805 relay output module is commonly used in industrial and commercial environments where reliable switching of higher power loads is required. Typical applications include:
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Controlling solenoids and contactors in motor control centers.
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Operating heating elements in process control systems.
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Switching lamps and indicators in building automation.
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Managing valve actuators and pumps in water and wastewater treatment plants.
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Integration into factory automation systems requiring galvanic isolation for safety.
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Applications where AC load switching is needed alongside DC controls.
Advantages
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High Load Capacity: Each relay output can switch up to 6 A at 250 V AC, suitable for a wide range of industrial devices.
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Electrical Isolation: The relay contacts provide galvanic isolation between field circuits and the control electronics.
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Versatile Voltage Support: Compatible with both AC and DC loads, increasing flexibility.
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Robust Construction: Designed for harsh industrial environments with wide operating temperature and humidity ranges.
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Compact Size: Slim module design saves panel space.
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Clear Diagnostics: LED indicators for each output allow quick status verification and troubleshooting.
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Easy Integration: Plug-and-play module designed for seamless connection to Modicon M340 PLC racks.
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Certified Safety: Complies with major international safety and performance standards.
Frequently Asked Questions (FAQ)
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What type of outputs does the BMXDRA0805 provide?
It provides 8 electromechanical relay outputs with normally open contacts. -
Can the module switch both AC and DC loads?
Yes, it supports up to 250 V AC and 30 V DC loads. -
What is the maximum current rating per output channel?
Each relay output can handle up to 6 A. -
Is there electrical isolation between the PLC and the output contacts?
Yes, relay contacts are electrically isolated from the control side. -
What are the physical dimensions of this module?
It measures 160 x 100 x 35 mm. -
How is the module mounted?
The module mounts on a standard DIN rail. -
Does the module provide any diagnostic indicators?
Yes, each output channel has an LED status indicator. -
What operating temperature range can this module withstand?
It operates reliably between 0 °C and 60 °C. -
Is the BMXDRA0805 compatible with other PLC series?
It is specifically designed for Modicon M340 series PLCs. -
What safety certifications does this module have?
It is certified under CE, UL, and CSA standards.
Recommended Related Models (Same Series or Functionality)
| Model | Description | Number of Outputs | Output Type | Voltage Rating | Dimensions (HxWxD) | Weight (g) |
|---|---|---|---|---|---|---|
| BMXDRA1605 | 16-Channel Relay Output Module | 16 | Electromechanical | 250 V AC / 30 V DC | 90 x 70 x 60 mm | 550 |
| BMXDDO1612 | 16-Channel Discrete Output Module | 16 | Transistor (NPN) | 24 V DC | 90 x 35 x 60 mm | 120 |
| BMXDRA0806 | 8-Channel Relay Output Module | 8 | Electromechanical | 250 V AC / 30 V DC | 90 x 35 x 60 mm | 300 |
| BMXDDO3202 | 32-Channel Discrete Output Module | 32 | Transistor (NPN) | 24 V DC | 90 x 70 x 60 mm | 200 |
| BMXDRA0405 | 4-Channel Relay Output Module | 4 | Electromechanical | 250 V AC / 30 V DC | 90 x 20 x 60 mm | 160 |
| BMXDRA0802 | 8-Channel Relay Output Module | 8 | Electromechanical | 250 V AC / 30 V DC | 90 x 35 x 60 mm | 300 |
Popular Schneider Electric PLC Modules (Same Brand)
| Model | Description | Type | Number of Channels | Voltage | Dimensions (HxWxD) | Weight (g) |
|---|---|---|---|---|---|---|
| BMXDDO3200 | 32-Channel Discrete Output Module | Discrete Output | 32 | 24 V DC | 90 x 70 x 60 mm | 200 |
| BMXDIA1602 | 16-Channel Analog Output Module | Analog Output | 16 | 0-20 mA | 90 x 35 x 60 mm | 125 |
| BMXP342020 | 8-Channel Analog Input Module | Analog Input | 8 | 0-10 V | 90 x 35 x 60 mm | 120 |
| BMXNOE0100 | Ethernet Communication Module | Network Module | N/A | N/A | 90 x 35 x 60 mm | 110 |
| BMXAMO0200 | 2-Channel Analog Output Module | Analog Output | 2 | 0-10 V | 90 x 35 x 45 mm | 95 |
| BMXDDO6402K | 64-Channel Discrete Output Module | Discrete Output | 64 | 24 V DC | 170 x 90 x 60 mm | 450 |
