Chapter 9 Using Functional Safety [G] [Wg]; Function Block Diagram; Safety Sub-Function Control By Input Device - Mitsubishi Electric MELSERVO-J5 User Manual

9
USING FUNCTIONAL SAFETY [G] [WG]
9.1

Function block diagram

The following are examples of the MR-J5-_G_-RJ.

Safety sub-function control by input device

This figure shows a function block configured to allow input devices assigned to the CN8 connector pins to execute safety
sub-functions.
The safety level Category 4 PL e, SIL 3 can be achieved with input signal diagnostics.
Power
supply
Controller or CC-Link
IE TSN network
equipment
Controller or CC-Link
IE TSN network
equipment
USB
Parameter Settings
Input signal
*1 Safety switches, safety relays, etc.
9 USING FUNCTIONAL SAFETY [G] [WG]
332
9.1 Function block diagram
Servo amplifier
MCCB MC L1
L2
L3
L11
Control circuit
L21
power supply
CC-Link IE TSN
network
CC-Link IE TSN
network
Safety sub-function
processing part 1
Input device
*1 control
Self-diagnosis
Parameter
Safety sub-function
processing part 2
Input device
control
Self-diagnosis
Parameter
Gate circuit
Control
Safety sub-function
STO function
SS1 function
SS2 function
Output device
SBC function
control
SLS function
SSM function
SOS function
SLI function
SDI function
SLT function
SM function
Safety sub-function
STO function
SS1 function
SS2 function
Output device
SBC function
control
SLS function
SSM function
SOS function
SLI function
SDI function
SLT function
SM function
Servo motor
U U
V V
M
W W
E
24 V DC
B1
B
B2
Electromagnetic
brake
RA
Encoder
Output
*1
signal