RKI Instruments M2 for 12 VDC - Manual (Page 46)

41 M2 Transmitter Operator’s Manual, 12 V DC Operation
See Figure 8 below for field wiring connections to the M2.
Figure 8: PLC and DCS Device Wiring
S
PW
R
/S
IG
+
C
NC
NO
FA
IL
Alarm Device
Power
A
B
C
RS
4
8
5
AL
AR
M
2
Alarm 1
Alarm Device
Fail Alarm
Device
Typical Alarm
Wiring Shown
Alarm 2
Alarm Device
24 VDC -
4 - 20 mA In (S)
(24 VDC) -
AL
A
R
M
1
+
See
Modbus
Wiring
24 VDC +
24 VDC
Power Supply
C
NC
NO
TO
X
IC
O
X
Y
C
NC
NO
Controller
(PLC, DCS)
See
Detector
Wiring