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2 SPECIFICATIONS
2.1 General Specifications
2
SPECIFICATIONS
This chapter explains the specifications of a safety extension module.
2.1
General Specifications
The following shows the specifications of a safety extension module.
The general specifications other than below are the same as those of the CPU module to be connected.
For the general specifications, refer to the following:

MELSEC iQ-F FX5U User's Manual (Hardware)
 MELSEC iQ-F FX5UC User's Manual (Hardware)
Dielectric withstand voltage test and insulation resistance test
Perform dielectric withstand voltage test and insulation resistance test at the following voltages between each terminal and
the safety extension module ground terminal.
Wire the terminals with caution since each terminal is not insulated.
2.2
Safety Specifications
The following shows the safety-related parameters of a safety extension module.
Item Specification
Electromagnetic Compatibility (EMC) EN 61000-6-2, EN 61131-2, DIN EN 61326-3-1, EN 55011 (class A)
Between terminals Dielectric withstand voltage Insulation resistance
Between the power supply terminal of safety extension module (DC power
supply) and CPU module ground terminal 500 VAC for one minute 10 M
Ω
or higher by 500 VDC
insulation resistance tester.
Between safety extension module input terminal and CPU module ground
terminal
Between safety extension module output terminal and CPU module ground
terminal
Item Specification
Safety integrity level SIL3 (IEC 61508)/SILCL 3 (IEC 62061)
Category Category 4 (DIN EN ISO 13849-1)
Performance level PL e(DIN EN ISO 13849-1)
PFHd 1.5 × 10
-9
to 1.5 × 10
-8
T
M
(mission time) 20 years (EN ISO 13849-1)