v_shortname: Frequency measuring transducer with direction of rotation and slip signal, signal type: binary input, number of channels: 2, field side signal: frequency, field side device: NAMUR sensor, potential-free contact, control side signal: 0/4 ... 20 mA, control side type: 2x relay (changeover), transmission direction: to the control, functions: start-up bridging, speed monitoring, frequency conversion, limit relay, line fault monitoring, supply: 20 V ... 90 V DC/48 V ... 253 V AC, 230 V AC, 24 V DC, supply connection: terminals, connection type: screw terminals, housing width: 40 mm, ambient temperature: -20 ... 60 °C (-4 ... 140 °F)