Easidew PRO I.S. User Manual
8
97130 Issue 16.2, August 2021
INSTALLATION
2.4
Electrical Schematic
NOTE: The screen/shield should be connected for maximum performance and
to avoid interference.
Always connect the 4...20 mA return signal to a suitable
load (see
Figure 7) before the power is applied. Without this
connection, the transmitter may be damaged if allowed to
operate for prolonged periods.
1 2 3 4
SAFE AREA
HAZARDOUS AREA
+ 4/20mA
LOAD
+VS (20 to 35 V DC)
VS -
+
-
KFD2-STC4-Ex1 H
KFD0-CS-Ex2.50p
KFD2-CR-Ex1.20200
KFD2-CR-Ex1.30200
KFD0-CS-Ex1.50P
MTL5041
MTL5040
MTL5541
Figure 7
Hazardous Area Connection
1. Connect cable screen to cable gland.
2. Refer to system drawing in Appendix B.
2.4.1 Electrical Boundaries
100
200
300
400
500
600
12
14
16
18
20
22
24
26
28
Resistanc
e (ohms)
Supply Voltage
Figure 8
Maximum Load of Easidew PRO I.S. - Including Cable Resistance
