Microsensor MPM4730 Operation Manual page 13

transmitter
MS-H375
d) This Ann explosion-proof type electrical connection methods are
shown below.
Danger zone
P
P
Input
Transmitter Ex-proof parameter:
Ui:12.4VDC Ii:140 mADC
Li:0μH Ci:1.049μF Pi:0.43W
Note：
Ui：the highest input voltage, the highest voltage which could work on
transmitter input terminals.
4 20mADC
～
R
L
Cur rent meter
Power Vs
Load RL
MS-H375
+V
+OUT
RS485A
I
RS485B
ExiaIIBT6 Ga
transmitter
Fig. 9
Safety zone
Safety
barrier
Safety
barrier
Fig. 10
Safe barrier's ex-proof parameter:
Uo:12.4VDC Io:140mADC Po:0.43W
11
4 20mADC
～
R
Cur r ent meter
Load R
MS-H
A R T 2 3 2
+
Power
-
Load
Computer
[Exia]IIC
Power Vs