Notifier M710E Monitor Module

M710E and M720E provide supervision of one or two input circuits respectively from external devices; the M721E also provides an unmonitored single pole volt-free changeover contact for external devices. All modules feature a built-in short circuit isolator. Input channels are capable of both latched and analogue supervision: there are three separate latched states, normal, open circuit and combined alarm/short. The analogue supervision continuously monitors the supervised circuit, returning a signal proportional to the circuit resistance.