Sartorius FC - Page 113

113
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
3
4
35520-099-61-A4
EX
Released by
Reviewed by
Written by
Date
RS-485 data output and control signal outputs
Compact scale
FC......-.X....
FCA......-.X....
Weighing platform
IS......-.X....
II 2 G EEx ib IIC T4
II 1 D T135°C (optional)
Barrier
YDI01-Z
II (2) G
[EEx ib] IIC
RS-485
1)
Uo 12 V
Io 82 mA
Po 240 mW
Co 1.41 µF
Lo 5,5 mH
IIC T4
T-connektor
3)
YTE02-X
Barrier
YDI03-Z
II (2) G
[EEx ib] IIC
up to 7 further
units, which
have the same
type of RS-485
data output
connected to
this fieldbus
T-connektor
3)
YTE02-X
Non hazardous area
Hazardous area
Only control signals
(see sheet 2)
Data output;
only control signals
(see sheet 2)
Cable: install as stationary
and protected equipment !
Maximum cable length 70m
for a 10-wire standard cable
with a maximum of 200nF/
km and 1mH/km.
Data output RS-485 only (pins J/K)
2)
Ui 12,6 V
Ii 810 mA
Pi 2.5 W
Ci 10 nF
Li 0
Uo 12.6V
Io 85 mA
Po 270mW
Cable: install as stationary and protected equipment !
For cables with a maximum of 125pF/m (wire versus wire):
Number of units Cable length Lo/Ro or Lo
in the hazardous area mµH/ µH/km
2 1000 61 400
4 1000 34 115
6 1000 22 46
8 1000 17 25
8 100 17 250
8 35 17 710
see also table in KEMA 02ATEX1108X, sheet 3/4
Foot
actuated
switch
3)
YPE05-X
1: per circuit
2: circuits combined
3: optionally used (passive wiring or switch only)