Microsensor MPM4730 Operation Manual page 11

Electric
connection of
non-explosion
proof product
Electric
connection of
explosion
proof product
Note: Explosion-proof product of 4-pin plug connection only provide (4 ~ 20) mA DC
output
4.2 Typical electrical connection method
a) The electric connection method of transmitter with 2-wire, 4mA～
20mADC output to see Figure 7:
Definition
Wiring Color
＋V
2（Black）
OUT/GND
4（White）
RS 485B
5（Yellow）
RS 485A
Internal
Definition
Wiring
1（Red）
＋V
OUT/GND 2（Black）
Case 3（Blue）
RS485B 4（White）
RS485A 5（Yellow）
Internal
Plug
4Wires
Plug
1（Red）
Plug
4Wires
Plug
Color
1
2
-
-
9
External Plug Connection
MPM4730 B2
& MPM4700
1 Red
2 Black
White
3 Yellow(Green)
External Plug Connection
MPM4730 B2
& MPM4700
Red
Black
Blue
White
Yellow(Green)
7
Wires
Plug
1
2
5
4
7 Wires
Plug
1
2
7
5
4