four channel
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Relay and IO Modules
Four Channel Digital Input Multiplexer – VFC input – IOD4
£40.95 Exc. VAT Add to basketThe Digital Input Expander (4 DIX) 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.
