Verification of the
Intrinsic Safety
FC/FCA/IS......-.X.... /
Rev.
00
Klausgrete
Weitemeier
Klausgrete
Name
12.02.02
12.02.02
12.02.02
Sheet
of
2
4
35520-099-61-A4
EX
Released by
Reviewed by
Written by
Date
RS-232 data output with control lines
Data output
1)
Uo 8,6 V
Io 23 mA
Po 50 mW
Co 6 µF
Lo 60 mH
Compact scale
FC......-.X....
FCA......-.X....
Weighing platform
IS......-.X....
II 2 G EEx ib IIC T4
II 1 D T135°C (optional)
IIC T4
T-connektor
2)
YTE02-X
Foot
actuated
switch
2)
YPE05-X
Barrier
YDI02-Z
YDI03-Z
II (2) G
[EEx ib] IIC
Cable: install as stationary
and protected equipment !
Maximum cable length 70m
for a 10-wire standard cable
with a maximum of 200 nF/
km and 1mH/km.
The length of the installed
cable is defined as 20 m
because of the RS-232
specifications.
Circuit: RS-232
1)
Control signals (only for YDI03-Z)
1)
Uo 12 V 12 V
Io 82 mA 7.5 mA
Po 240 mW 22 mW
Co 1.41 µF 1.41 µF
Lo 5.5 mH 5.5 mH
Lo/Ro 144µH/ 1.5 mH/
Data output RS-232 Control signals
(pins A/J/K/N and M)
1)
(pins C/D/E/F/G and M)
1)
Ui 12.6 V 12.6V
Ii 85 mA 10 mA
Pi 270 mW 30 mW
Ci 3 nF 4 nF
Li 0 0
1: per circuit
2: optionally used (passive wiring or switch only)
System appraisal
(see EC-Type Examination Certificate KEMA 02ATEX1108 X):
Co <= 125nF; Lo <= 100µH; Lo/Ro <= 33µH/
Non hazardous area
Hazardous area