DX4 Product Manual
STO
Document Version: V1.051 (Jan,
2021)
© 2021 Trio Motion Technology Ltd. All right reserved.
4-13
Chapter 4
STO
4.1
Terminals Arrangement (X6)
Signal Diagram
Pin Layout
WARNING
⚫
Please use the PELV/SELV switching power supplying to the IO signal of the STO
function.
⚫
The external signal shall meet the Idle-current principle.
Pin
Signal
Name
Function
1
0 V
24 V Power Supply
－
(Do not use these pins because
they are connected to internal
circuits)
2
24 V
3
HWBB1-
HWBB1 Input
The STO function takes effect
when the HWBB1 or the HWBB2
signals is turned OFF.
4
HWBB1+
5
HWBB2-
HWBB2 Input
6
HWBB2+
7
EDM-
External Device Monitor
Output
Turns ON when the HWBB1 signal
or the HWBB2 signal is turned OFF.
8
EDM+
