4 temperature ranges -50...+200ºC for PT100 sensor
Adjustable time delay
Kaksi lähtörelettä ja invertointimahdollisuus
Product description
RM34 relay is used for temperature metering. Features a Pt100 sensor (DIN43760) with 2 or 3 wires. You can select between 4 metering ranges. Relay activation, inversion and delay are adjusted by DIP switches in the bottom of the relay. Relay will release in the occasion of short-circuit or cable breakage.
Technical data
Supply
12 – 50 V DC or 230 V AC
Isolation voltage
Supply-input-output 3,75 kV
Power consumption
3 VA
Temperature range
-20 °C...+60 °C
Temp. coefficient
<0,01 %/ºC
Indications
Green LED steady: supply ON and input OK Green LED flashing: input OK. input signal ouside the range or cable defect Red LED: Relay active
DIP-switches
S1-S2:relay inversion and reaction delay, see table and functional diagram S3-S4:Selection of metering range, see table
Potentiometers
Pot 1setpoint , 0-100% of the range Pot 2reaction delay, 0-10 seconds
Hysteresis
1 °C
Sensor connections
6-7 Pt100 5 cable compensation
Max. load, relay
relay 1 (1-3-4) 8 A – 250 V AC relay 2 (11-8-9) 5 A – 250 V AC
Weight
190 g
EMC
EN50081-1, EN50082-2, EN60730, CE
SW 1
SW 2
ex. no.
Function
Off
Off
1
Relay activates, when setpoint is exceeded, delay on release.
On
Off
2
Relay releases, when setpoint is exceeded, delay on activate.
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