RIA452
Terminal assignment
Terminal
Terminal assignment
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)
Endress+Hauser
Type
Power supply
!
Note!
The measuring instrument can always be configured
®
with Readwin
2000 via RS232 even if the jumper is
set to J1.
Current input
Transmitter power supply (optionally intrinsically
safe)
Relay 1
Relay 2
Relay 3
Wiring
91