Limit switch / Transmitter

RMA42

• Function: Display, Loop Power Supply, Transmitter Functionality, Barrier, Signal Isolation, Calculation, Limit Alarm
• Approvals: ATEX Ex ia
• Display: 5-digit, multi-colored rear illumination LCD, bargraph
• Input: 1/2x analog (I; U; RTD; TC; R)
• Output: 1/2x analog (I; U), 1x loop power supply, 2 relays
• Power supply: 20...250 V AC/DC

RMA422

Rail mounted device with intrinsically safe current inputs, loop power supply, alarm set point monitor, mathematics function and analog outputs.

RTA421

Alarm set point contacter with loop power supply for monitoring current or voltage signals.