Kollmorgen AKD Serie Manual De Instrucciones página 19

1.4.7.5 STO technical data AKD-x048
Safety characteristic data
Device Operation mode
STO
STO
STO
Pinout
Pin Description
1 +24 VDC Auxiliary voltage
2 24V Supply GND
3 STO +24 VDC supply voltage
4 STO GND
For STO single channel mode connect pin 6 with pin 8 and pin 5 with pin 7.
Signal diagram (sequence)
The diagram below shows how to use STO function for a safe drive stop and fault free oper-
ation of the drive.
1. Brake the drive in a controlled manner (speed setpoint = 0 V).
2. When speed = 0 rpm, disable the drive (Enable = 0 V).
3. Activate the STO function (STO-Enable 1 and STO-Enable 2 = 0 V)
ISO
13849-1
single channel PL d, Cat 2
dual channel PL d, Cat 3
dual channel with PL e, Cat 4
periodical testing
Kollmorgen | kdn.kollmorgen.com | December 2015
AKD Safety Guide | 1 English
IEC PFH
62061 [1/h] [Years]
SIL 2 1.88E-07
SIL 2 5.64E-09
SIL 3 5.64E-09
Pin Description
5 STO-Status 1
6 STO-Enable 1
7 STO-Status 2
8 STO-Enable 2
T SFF
M
[%]
20 89
20 87
20 87
19