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FW-F010-A-M_v0404_01_EN.docx
5.4
CONFIGURATION EXAMPLES INTRINSICALLY SAFE APPLICATIONS
5.4.1
F010-A-PX-XI-ZB - Ex ia IIC/IIIC
Fig. 22: F010-A-PX-XI-ZB - Ex ia IIC/IIIC - Intrinsically Safe application.
*
Sensor supply voltage for analog flowmeter not available in this example.
Please note: Type PX may be used in combination with the battery (Type PC).
PX will power the F010-A, the battery will be disabled automatically until the power is disconnected.
Configuration example IIA - IIB and IIC application - F010-A-PX-XI-ZB
TERMINAL CONNECTORS
F0-series
1
2
Common ground
Signal
C
irc
ui
t d
ep
en
ds
o
n
ty
pe
o
f s
ig
na
l
4
5
Common ground
Main supply
9
1
0
Common ground
Supply backlight
HAZARDOUS AREA
SAFE AREA
+
-
Power supply
For example
MTL5025
+
-
Power supply
For example
MTL5025
= max. 30 V
= max. 200 mA
= max. 1,2 W
Uo
Io
Po
= max. 30 V
= max. 200 mA
= max. 0,75 W
Uo
Io
Po
Note: above values are safety values.
Consult the technical specification for operational values.
+
-
Power supply
For example
MTL5025
= max. 30 V
= max. 150 mA
= max. 0,92 W
Uo
Io
Po
Power supply type PX: 8-30V DC
I.S. flowmeter input - type A: (0)4-20mA
Backlight option: type ZB
*Sensor supply voltage for analog flowmeter type A / U: not available in this example.
Please note: type PX may be used in combination with the battery (type PC). PX will power the unit; the battery will be disabled automatically till power is disconnected.