65-2645RK-05-04 M2A Transmitter Operator’s Manual
53
See Figure 15 below for field wiring connections to the M2A.
Figure 15: PLC and DCS Device Wiring
-
S
+
PW
R
/SI
G
Alarm 1
Alarm Device
Fail Alarm
Device
Alarm Device
Power
+
Typical Alarm
Wiring Shown
A
B
C
RS
4
8
5
4 - 20 mA In (S)
(24 VDC) -
24 VDC +
24 VDC
Power Supply
24 VDC -
Alarm 2
Alarm Device
See
Modbus
Wiring
See
Detector
Wiring
Controller
(PLC, DCS)
+
TO
X
IC
O
X
Y
C
NC
N
O
AL
A
R
M
1
C
NC
NO
AL
A
R
M
2
C
NC
NO
FA
IL
