four channel
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Relay and IO Modules
Four Channel Digital Input Multiplexer – VFC input – IOD4
£39.00 Exc. VAT Exc. VAT Add to cartThe Digital Input Expander allows 4 volt free inputs to be monitored by a single analogue input channel. The resultant analogue value can be decoded by the A to D function module in a BMS controller to produce internal digital status bits for alarm monitoring or other status input applications.
