Wiring Diagrams - Siemens SITRANS AW200 Kompaktbetriebsanleitung

● A short-circuit between the positive and negative lines results in triggering of the
irreversible, non-replaceable fuse.
● Within the explosive gas atmosphere, it is only permissible to have a battery unit
of type BU 191 (order no. 7MP3990-0AA00).
● Device safety can be endangered by, for example:
– Visible damage on the battery enclosure
– Improper storage
– Damage caused during transport
4 Laws and directives
Observe the test certification, provisions and laws applicable in your country during
connection, assembly and operation. These include, for example:
● National Electrical Code (NEC - NFPA 70) (USA)
● Canadian Electrical Code (CEC) (Canada)
Further provisions for hazardous area applications are for example:
● IEC 60079-14 (international)
● EN 60079-14 (EC)
Operating conditions:
The following two conditions must be complied with when operating this device:
1. It must be possible to guarantee that the device or equipment does not generate
any dangerous interferences.
2. The device or equipment must be resistant to interferences, including those
resulting from faulty operation.
5 Connecting
5.1

Wiring diagrams

Connection values 4 to 20 mA + HART communication
Possible terminal assignments: Refer to operating instructions A5E02777161-02,
section "Electrical installation".
WirelessHART Adapter SITRANS AW200
A5E02777167-04, 03/2016
Laws and directives
15