Fluidwell F043-T, Руководство пользователя

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Page 31
FW-F043-T-M_v0404_01_EN.docx
5.4 CONFIGURATION EXAMPLE INTRINSICALLY SAFE APPLICATION
5.4.1 F043-T-OT-PX-XI-ZB - Ex ia IIC/IIIC
Fig. 19: F043-T-OT-PX-XI-ZB - Ex ia IIC/IIIC - Intrinsically Safe application.
Please note: Type PX may be used in combination with the battery (Type PC).
PX will power the F043-T, the battery will be disabled automatically until the power is disconnected.
Configuration example IIA - IIB and IIC application - F043-T-PX-XI-ZB
TERMINAL CONNECTORS
F0-series
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 type PX: 8-30V DC
Backlight option: type ZB
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.
3
2
1
Supply
Signal
Signal
Temperature input
type TP:
PT100 3-wire
6
7
8
Common ground
+
-
Power supply or
switch interface
For example
MTL5025
MTL5011B
= max. 30 V
= max. 200 mA
= max. 1,2 W Uo
Io
Po
e.g. sounder Alarm output type OT: passive transistor
Intrinsically Safe apparatus