TC-Standard (+) X2
Description of signal outputs
Function / contact
type
Description
Regarding S2) internal changeover
contact: max.
250 V AC / 150 V DC,
2 A, 50 VA
the following device statuses can
be indicated via two switching
outputs:
Contact between 3 and 2 closed (alarm)
– No mains voltage and/or actual temperature out-
side the alarm thresholds
Contact between 3 and 1 closed (ok)
– Mains voltage at actual temperature
within the alarm thresholds
With moisture detector option
Contact between 3 and 2 closed (alarm)
– The moisture detector registers residual humidity
in the sample gas or cable break: Error message
Contact between 1 and 3 closed (ok)
– no residual moisture in measuring gas / no cable
break
With temperature signal option
Regarding S3) 4-20 mA analogue
output
(R
Load
<500 Ω)
Signalling of actual temperature
(please use shielded cables)
T
Cooler
= -20 °C
≙
(-4 °F) -> 4 mA/ 2 V
T
Cooler
= 5 °C
≙
(41 °F) -> 9 mA/ 4,5 V
T
Cooler
= 60 °C
≙
(140 °F) -> 20 mA/ 10 V
16
Bühler Technologies GmbH
BE440023 ◦ 10/2018
