Operating Instructions PMA 35001-X 39
Verification of Intrinsic Safety
Page 5of
5
36953-761-60
Verification of Intrinsic Safety
2013-05-02
Dr. D. Klausgrete
Revision 00
PMA35001-X.. RS422 Data Interface
YDI05-Z
(Option A25)
Interface converter
II (2) GD [EEx ib] IIC
Alternative
connection
RS422 data interface of YDI05-Z
2)
Uo 6.0 V *
)
Ui 12.6 V *
)
6.8 V **
)
25.2 V **
)
Io 172 mA (linear) Ii 0.2 A
Po 0.5 W Pi 2.3 W
Co 12 µF *
)
Ci 28 µF *
)
Co 17.7 µF
**)
Ci 200 nF **
)
Lo 0.7 mH Li 2 µH
RS422 data interface of YCO01-Y
2)
Uo 7.2 V* Ui 12.6 V*
8.0 V** 25.2 V**
Io 207 mA*** Ii 1.5 A
Po 330 mW Pi 2.5 W
Co 13.5 µF* Ci 1 nF
8.4 µF**
Lo 0.7 mH* Li 1.6 µH
0.7 mH**
Lo/Ro 36 µH/
*/ 36µH/ *
RS422 data interface
2)
(COM1)
Uo 5,2 V Ui 8.6 V
Io 290 mA Ii 210 mA
Po 496 mW Pi 0.5 W
Co 60 µF Ci 0.5 µF
Lo 300 µH Li 0 mH
Lo/Ro 50 µH/
Note:
1: Per circuit
2: Combined circuits
*: Versus GND; **: Between the lines; ***: Resistively limited
Cable:
For a standard cable (e.g., type
LiYCY with max. 250nF/km (wire
versus wire or wire versus
shield), max. 750µH/km and at
least 34 ohms/km (e.g. 0.5mm²
stranded wire), this yields Lo/Ro
= 22 µH/ohm
Permitted length of
the flexibly installed cable: 330m
Zone 1
Gas: IIC T4
Hazardous Area
Non-Hazardous Area
YCO01-Y
Interface converter
PMA35001-X..
II 2 G Ex ia IIC T4 Gb
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