Sensors according to EN 60947-5-6 (NAMUR)

or potential-free contacts can be connected

to the IM12-DI01-2S-2T-PR/24VDC isolating

switching amplifier. A DIP switch on the device

allows toggling between 2-channel or 1-channel operating mode with signal doubling. The

output circuits are equipped with two potential-free transistors with a high cut-off frequency (10 kHz). The device can be powered from

a power bridge that also transmits a collective

fault signal. The device complies with the requirements of the NE21.

The devices feature DIP switches on the

front. This allows to select between the output

mode, the input circuit monitoring, as well as

toggle between signal duplication and 1-channel operation. When using mechanical contacts, either line monitoring must be switched

off or the contact must be wired with resistors

(see wiring diagram).

The Pwr LED lights green to indicate operational readiness. An error in the input circuit leads to a flashing red LED according to

NE44. Thereupon the transistor of the belonging output circuit locks and the common alarm

output becomes conducting.

The device can be used in safety circuits up to

SIL2 (high and low demand according to IEC

61508).

The device is equipped with removable screw

terminal

■ 2 transistor outputs (ð 10kHz)

■ Switchable: 2-channel or signal doubling

■ Output mode adjustable (NO/NC mode)

■ Input circuits monitored for wire-break/

short-circuit (ON/OFF switchable)

■ Complete galvanic isolation

■ Input reverse-polarity protected

■ Removable screw terminals

■ Connector for power bridge incl. in delivery

■ ATEX use in Zone 2, cUL

■ SIL 2