Siemens SITRANS FC430 Operating Instructions Manual page 80

Connecting
5.2 Connecting FC430
If connected as input or output - Field mount
12
11
Table 5-2
Termination example for channel 3
80
Active configuration
⑫
IO[3] (common)
⑪
IO[3]+ (active)
Functional Earth
If connected as input or output - Wall mount
Active configuration
⑫
IO[3] (common)
⑪
IO[3]+ (active)
13
12
Passive configuration
⑬
IO[3]- (passive)
⑫
IO[3] (common)
Functional Earth
Passive configuration
⑬
IO[3]- (passive)
⑫
IO[3] (common)
Operating Instructions, 06/2017, A5E39789392-AA
FC430 (From firmware 4.0)