65-2641RK-05-04 M2A Transmitter Operator’s Manual
53
See Figure 13 below for field wiring connections to the M2A.
Figure 13: PLC and DCS Device Wiring
Alarm Device
Power
Fail Alarm
Device
Alarm 1
Alarm Device
24 VDC -
24 VDC
Power Supply
24 VDC +
Typical Alarm
Wiring Shown
(24 VDC) -
4 - 20 mA In (S)
Alarm 2
Alarm Device
C
NC
N
O
AL
A
R
M 1
C
NC
NO
AL
A
R
M
2
C
N
C
N
O
FA
IL
See
Modbus
Wiring
-
S
+
A
B
C
RS
4
8
5
PW
R
/S
IG
R
W
G
B
LE
L
See
Detector
Wiring
Controller
(PLC, DCS)
