AxN Configurable Motion Control Platform
34
Terminal Configuration
Pin
Name
Function
Description
1
24V_AUX
Control circuit power supply
24Vdc Positive
2
24V_SAF_H STO high-side power bridge power supply
24Vdc Positive
3
24V_SAF_L
STO low-side power bridge power supply
24Vdc Positive
4
GND_AUX
Reference ground
24Vdc Negative
4.3.2
Safe Torque Off (STO)
STO Function
Normal version AxN 09.20.4 Drive does not have the STO function. If you want to use the STO
function, you must order a STO version AxN 09.20.4 Drive. Normal version AxN 09.20.4 Drive has
already internally short cut Pin 24V_AUX, 24_SAF_H and 24V_SAF_L, so that STO function is
disabled.
STO Function Enable
The STO function is implemented using two redundant channels: SH and SL, each channel uses its
own +24V DC power supply. Another two channels (+24V and GND) power the drive control and
logic circuits. The connection diagram is shown as the following figure:
STO Function Disable
If you do not want to use Safe Torque Off function in any circumstance, you can use an insertion
bridge which is attached in the accessary bag to short cut Pin 1: +24V, Pin2: SH and Pin 3: SL to
disable the STO function. The connection diagram is shown as the following figure:
Содержание AxN
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