Revision April, 2015
7-1
Chapter 7
Safety Function (Safe
To
r
que Off, STO)
7.1 Description of Terminal Block
CN-STO Connector (male)
Pin No
Terminal
Symbol
Function and Description
*1
COM+
VDD (24V) power is identical to pin 5 of CN1
2
STO_A
STO input pin A+
3
/STO_A
STO input pin A-
4
STO_B
STO input pin B+
5
/STO_B
STO input pin B-
6
FDBK_A
STO alarm output pin A, BJT Output
Max. Rating : 80 VDC, 0.5 A
7
FDBK_B
STO alarm output pin B, BJT Output
Max. Rating : 80 VDC, 0.5 A
8
COM-
VDD (24V) power ground
*1
: Do not apply to dual power or it may damage the servo drive.
