Endress+Hauser EngyCal RH33, Краткое руководство по эксплуатации

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EngyCal ® RH33
Wiring
Hauser 21
5 Wiring
5.1 Connection instructions
!
WARNING
Danger! Electric voltage!
‣
The entire connection of the device must take place while the device is de-energized.
!
CAUTION
Pay attention to additional information provided
‣
Before commissioning, ensure that the supply voltage corresponds to the specification on
the nameplate.
‣
Provide a suitable switch or power-circuit breaker in the building installation. This switch
must be provided close to the device (within easy reach) and marked as a circuit breaker.
‣
An overload protection element (rated current = 10 A) is required for the power cable.
For installing the BTU meter and the associated components, observe the general instructions
according to EN 1434 Part 6.
5.2 Quick wiring guide
1 5 6 2 52 53
+
3 7 8 4 54 55
+
+ +
U I
10 11 50 51
60 61 62 63
1+ 2+ 1- 2-
70 71 80 81 82 81 90 91
LPS
R
13
R
14
R
23
R
24
L/+ N/-
T Warm
RTD or 0/4...20 mA
T Cold or Pressure
RTD or 0/4...20 mA
Flow
Pulse or 0/4...20 mA
2x Open Col. 2x Digital In
I/Pulse Out
Relay 1 Relay 2 Power
supply
+
- 1+ 1- 2+ 2- +
-
A0022341
 17 Connection diagram of the device
Terminal assignment