4
2.3. Power supply: switch-mode
Supply voltage: 85...265 VAC
Consumption: less than 4 VA
2.4. Inputs:
2-wire - for voltage and current signals; 3-wire - for resistive signals.
2.4.1. Main input: universal, programmable
For available sensor types and input ranges ─ see Appendix 4.1.
2.4.2. Auxiliary input (option): linear current, 0(4)...20 mA
Serves for remote set point or for valve position control feedback. For cases 'B',
'H', and 'V' is feasible only with absence of interface. For case 'S' ─ feasible only
with absence of retransmission analog output and interface. For case 'Q' ─
mounted instead of output AL2.
2.5. Outputs: max. 4 (3 for case 'Q')
2.5.1. Relay outputs: 2 control and 2 alarm or 1 control and 3 alarm
(2 control and 1 alarm or 1 control and 2 alarm for case 'Q')
Description Parameters Location
electromechanical relay max. 3 A / 250 VAC
solid state relay (SSR) max. 1 A / 250 VAC
MOS gate max. 0.1 A / 60 V
output for external SSR 24 V, 20 mA
OUT1, OUT2, AL1, AL2
2.5.2. Analog outputs: max. 3 (2 control + 1 retransmission)
Description Parameters Location
control (0)4…20 mA, 0...10 V instead of OUT1 or OUT2
retransmission (0)4…20 mA, 0...10 V instead of AL2
For case 'S', the retransmission output is feasible only with absence of interface
or instead of AL1.
2.5.3. Serial interface (option): RS232 or RS485
For cases 'B', 'H', and 'V' ─ feasible only with absence of auxiliary input.
For case 'S' ─ only with absence of retransmission analog output or instead of AL1.
2.6. Operating conditions
Operating temperature / humidity 0...50
°C / 20...85% RH
Protection, front / rear IP56 / IP20
Maximum temperature drift 0.01% from span for 1
°C
Maximum warm-up time 15 min
2.7. Storage conditions
Temperature / humidity -20...65 °C / 0...95% RH
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