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FLOWSIC30 · Operating Instructions · 8020999/173B/V1-4/2020-02 · © SICK Engineering GmbH
Installation
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Examples for electrical installation
The optional internal pressure and temperature sensors do not require extra device
external cabling. Extra cabling is only required, if the optional RS485 or an external pres
-
sure or temperature sensor (not included in scope of delivery) is used.
Fig. 11
Intrinsically safe installation, HART
®
Output
Fig. 12
Intrinsically safe installation, HART
®
+ Modbus RS485 output
A
Remote Terminal Unit (RTU) / Programmable Logic Controller (PLC)
B
Safety barrier
C
Resistor for HART
®
Communication (≥ 250 Ω) if not contained in B
D
Connection for HART
®
Communication devices (e.g. Field Communicator)
E
Ex ia analog display unit
2+
3-
~
+
-
4…20 mA
+
-
18…30 VDC
A
B
C
D
E
D
2+
3-
~
+
-
+
-
18…30 VDC
A
B
~
+-
B
RS485 A
RS485 B
+-
7 RS485 A
8 RS485 B
C
D
D
6-
4
5…16 VDC
5+
