Functional Safety I/O Signal Connector (Cn8) And Pin Assignments; Pin Assignment; Signal (Device) Explanation - Mitsubishi Electric MELSERVO MR-J5 Series User Manual

8.2
Functional safety I/O signal connector (CN8) and
pin assignments

Pin assignment

The pin assignments of the connectors are as viewed from the cable connector wiring section.
Servo amplifier

Signal (device) explanation

I/O device
Signal Connector pin
name No.
STOCOM CN8-3
STO1 CN8-4
STO2 CN8-5
TOFCOM CN8-8
TOFB1 CN8-6
TOFB2 CN8-7
8 USING STO FUNCTION
450

8.2 Functional safety I/O signal connector (CN8) and pin assignments

Functional safety
I/O signal connector
CN8
2 1
4 3
STO1
STOCOM
6 5
TOFB1 STO2
8 7
TOFB2
TOFCOM
Description
Common terminal for the STO1 and STO2 input signals
Input the STO status of STO1.
STO state (base circuit shut-off): Open between STO1 and STOCOM.
STO release state (in driving): Close between STO1 and STOCOM.
Before turning off STO1, stop the servo motor in the servo-off state or with forced stop deceleration by turning
off EM2 (Forced stop 2).
Input the STO status of STO2.
STO state (base circuit shut-off): Open between STO2 and STOCOM.
STO release state (in driving): Close between STO2 and STOCOM.
Before turning off STO2, stop the servo motor in the servo-off state or with forced stop deceleration by turning
off EM2 (Forced stop 2).
Common terminal for the monitor output signals for the STO status
Outputs the STO status of STO1.
STO state (base circuit shut-off): Closed between TOFB1 and TOFCOM.
STO release state (in driving): Open between TOFB1 and TOFCOM.
Outputs the STO status of STO2.
STO state (base circuit shut-off): Closed between TOFB2 and TOFCOM.
STO release state (in driving): Open between TOFB2 and TOFCOM.
I/O
signal
interfa
ce type
DI-1
DI-1
DI-1
DO-1
DO-1
DO-1