F 3430 (0507)
262
Lead marking of the cable plug
Z 7149 / 3430 / C../P2
Figure 2: Lead marking of the cable plug
The module has a safe isolation between the input and the output contact, according EN 50178
(VDE 0160). The clearance in air and the creepage distance are dimensioned for overvoltage
class III up to 300 V.
The module is equipped with relays in diversity.
The relay amplifier is suitable for the switching of safety-related circuits. Thus the amplifier can
be used for safety shutdowns, e. g. to cut off the entire fuel supply for combustion plants.
Restrictions
• For the application it must be ensured that the module is replaced after
reaching the maximum quantity of switching cycles (e.g. 300.000 switching cycles at a
rated operation 30 VDC / 4 A).
• For SIL 3 plants (according to IEC 61508) function checks have to be made by the
manufacturer within a period of three years, for SIL 2 plants within a period of six years.
• The replacement of components must be made only by the manufacturer regarding the
valid standards and TÃœV restrictions.
Channel Connection Color
1
2
3
4
z18
d18
z22
d22
z26
d26
z30
d30
WH
BN
GN
YE
GY
PK
BU
RD
Cable
LiYY 8 x 1.5 mm
2
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