Endress+Hauser RIA452 Mode D'emploi page 28

Wiring
Terminal assignment
Termina Terminal assignment
l
L/L+ L for AC
L+ for DC
N/L- N for AC
L- for DC
NC Not connected
J1 Jumper for locking device operation via hardware.
If the jumper is set to J1, the configuration cannot
be modified.
J2 Not connected
11 + 0/4 to 20 mA signal
12 Signal ground (current)
81 24 V sensor power supply 1
82 Ground, sensor power supply 1
41 Normally closed (NC)
42 Common (COM)
43 Normally open (NO)
51 Normally closed (NC)
52 Common (COM)
53 Normally open (NO)
44 Normally closed (NC)
45 Common (COM)
46 Normally open (NO)
28
Type
Power supply
The device can always be configured with the PC
software via RS232 even if the jumper is set to J1.
Current input
Transmitter power supply (optionally intrinsically
safe)
Relay 1
Relay 2
Relay 3
Process Display