Mix modules
Galvanically isolated
The DM 167 digital mix module from Sigmatek combines eight digital outputs (+24 V(DC)/1.7 A) and eight digital inputs (5 ms) on 12.5 mm × 104 mm × 74 mm. The primary and secondary sides are separated by optocouplers.
This galvanic decoupling makes it possible to switch off the root supply of the outputs via just one safety component. In combination with a safety relay, the mix module can be used to integrate actuators into the safety concept at low cost by switching off the root supply. Divided into two groups, the supply voltage of each channel group of the outputs is monitored for undervoltage. As with the digital inputs, the primary and secondary sides of each channel group are electrically isolated by optocouplers. Status LEDs directly on the module enable channel-specific diagnostics.
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