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39
Verification of Intrinsic Safety
2
Blatt
Sheet
3
von
of
Maßstab /
Scale
---
PMA7501.-X.... /
Ausgabe / Revision
00
Freigabe
Released by
Geprüft
Reviewed by
Erstellt
Written by
10.01.06
10.01.06
10.01.06
Date
Klausgrete
Klausgrete
Klausgrete
Name
Material
35958-741-60-A4
Bennenung / Title
Änderung / Alteration
---
Zeichnungs-Nr. / Drawing number
RS-232 Data Output Port
Hazardous area
Zone 1
Gas: IIB T4
Non-hazardous area
RS-232 Data output port
1
Vi 12.6 V
2
Vo
12.0 V
2
25.2 V
3
24.0 V
3
Ii
330 mA*
Io
125 mA
Pi any
Po
373 mW
Ci 1 nF
Co
9 µF
2
0.93 µF
3
Li 0
Lo
8 mH
Z966
1
in YDI02-Z..
Vo
12 V
2
24 V
3
Io
328 mA *
Po
0.96 W *
Co
1.41 µF
2
125 nF
3
Lo
300 µH
Lo/Ro 36 µH/ohm
2
36 µH/ohm
3
YDI05-Z..
1
Vo
12.4 V
2
Vi
12.6 V
2
24.8 V
3
25.2 V
3
Io
260 mA *
Ii
any
Po
800 mW *
Pi
any
Co
1.24 µF
2
Ci
0
112 nF
3
Lo
400 µH
Li
0
Lo/Ro 44 µH/ohm
2
22 µH/ohm
3
YCO01-Y
1
Vo
11.8 V
2
Vi
12.6 V
2
23.6V
3
25.2 V
3
Io
123 mA *
Ii
131mA
Po
361 mW *
Pi
any
Co
1.5 µF
2
Ci
0.5 nF
129nF
3
Lo
2 mH
Li
0.8 µH
Lo/Ro 98 µH/ohm
2
98 µH/ohm
3
YDI05-Z.. Interface converter
II (2) GD [EEx ib] IIC
or
Z966 Zener barrier
4
in YDI02-Z..: II (2) G [EEx ib] IIC or
YCO01-Y Interface converter
6
II (2) GD [EEx ib] IIC or
II 3 (2)GD EEx nR[ib]IIC T4
Remarks
:
1: Combined circuits
2: Measured against ground
3: Between signal lines
4: BAS01ATEX7005; II (1) GD [EEx ia] IIC; parameter(s)
converted
5: Option; passive wiring only
6: Approved for Zones 2 and 22 hazardous areas with gas:
IIC / IIB T4 and dust: T80°C; only when USB port is
sealed and restricted breathing is maintained.
*: Ohmically limited
6-wire standard cable wire diameter up to 0.5≤ (minimum
34 ohm/km) with max. 250 nF/km and max. 750µH/km,
yielding max. 22 µH/ohm.
Cable length (flexible installation) is restricted, however, to
under 25 m
in accordance with the RS-232 specifications.
T-connector
5
Foot actuated
switch
5
PMA7501.-X....
PMA7501.-X..W
II 2 G EEx ib IIB T4
9-contact female
connector