3DI486.6-1 B & R Automation
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The 3DI486.6-1 is an input module from B & R Automation, part of the System 2005 Controllers series, offering 32 inputs divided into two groups of sixteen. It supports a nominal input voltage of 24 VDC, has a maximum input delay of 1 millisecond, and uses optocoupler isolation between the PLC and input groups. The module features a total power consumption of 1.2 watts and provides 2 x 18-pin terminal blocks for wiring.
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Product Description:
The 3DI486.6-1 is a digital input module built by B & R Automation for the System 2005 Controllers series. It is installed in a controller rack to translate on-off field signals into logic levels that the CPU can evaluate. This allows discrete sensors and switches to participate in industrial sequencing and safety tasks, and it lets the controller monitor standard contact devices and transistor outputs in the same automation system.
The module is organized into 2 x 16 input groups, giving a total of 32 channels that share a nominal supply of 24 VDC. Each channel presents an input resistance of 6 kΩ, limiting current drawn from sensors and protecting upstream wiring. Response speed has a typical delay of 0.5 ms and a maximum of 1 ms; these figures bound the time from voltage recognition at the terminal to status propagation on the back-plane bus. Wiring can be configured for sink or source topology so the board accommodates both PNP and NPN field devices without rewiring the controller.
Electrical endurance is enhanced by a peak tolerance of 500 V for 50 µs/100 ms, allowing the inputs to withstand fast transients that often accompany inductive loads. Overall dissipation is only 1.2 W, keeping heat rise low in dense cabinets, and two 18-pin terminal blocks sit on a 3.5 mm pitch to simplify field replacement and the use of prefabricated harnesses. The input threshold is 18 VDC, so input states switch cleanly even when supply rails sag below nominal. An optocoupler barrier isolates the PLC back-plane from each group, yet there is no isolation between channels inside the same group, so high-noise signals should be segregated carefully. Maximum continuous input voltage is 30 VDC, and the grouped layout helps confine disturbances to the affected section of the module.
Frequently Asked Questions about 3DI486.6-1:
Q: Which product series does the 3DI486.6-1 module belong to?
A: The 3DI486.6-1 controller module is part of the System 2005 Controllers series from B & R Automation.
Q: How many inputs does the 3DI486.6-1 controller provide?
A: This controller module includes 32 digital inputs, suitable for complex automation tasks.
Q: What is the nominal input voltage requirement for the 3DI486.6-1?
A: The nominal input voltage for the 3DI486.6-1 is specified as 24 VDC.
Q: How are the PLC and input groups electrically isolated in the 3DI486.6-1?
A: The 3DI486.6-1 features optocoupler-based isolation between the PLC and each group of inputs.
Q: What wiring type is supported by the 3DI486.6-1 controller?
A: This controller supports wiring as either sink or source for its input type.
