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APPENDIX
App. 4 Compliance with global standards
App. 4.1 Terms related to safety (IEC 61800-5-2 Stop function)
STO function (Refer to IEC 61800-5-2: 2007 4.2.2.2 STO.)
MR-J4 servo amplifiers have the STO function. The STO function shuts down energy to servo motors, thus
removing torque. This function electronically cuts off power supply in the servo amplifier.
App. 4.2 About safety
This section explains safety of users and machine operators. Please read the section carefully before
mounting the equipment.
App. 4.2.1 Professional engineer
Only professional engineers should mount MR-J4 servo amplifiers.
Here, professional engineers should meet the all conditions below.
(1) Persons who took a proper training of related work of electrical equipment or persons who can avoid risk
based on past experience.
(2) Persons who have read and familiarized himself/herself with this installation guide and operating
manuals for the protective devices (e.g. light curtain) connected to the safety control system.
App. 4.2.2 Applications of the devices
MR-J4 servo amplifiers comply with the following standards.
IEC/EN 61800-5-1, IEC/EN 61800-3, IEC/EN 60204-1
ISO/EN ISO 13849-1 Category 3 PL e, IEC/EN 62061 SIL CL 3, IEC/EN 61800-5-2 (STO)
MR-J4 servo amplifiers can be used with the MR-J3-D05 safety logic unit, or safety PLCs.
App. 4.2.3 Correct use
Always use the MR-J4 servo amplifiers within specifications (voltage, temperature, etc. Refer to section 1.3
for details.). Mitsubishi Electric Co. accepts no claims for liability if the equipment is used in any other way or
if modifications are made to the device, even in the context of mounting and installation.
WARNING
It takes 15 minutes maximum for capacitor discharging. Do not touch the unit and
terminals immediately after power off.
App. - 9
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