Inovance MD520 Series - STO Terminals (J14) and Wiring

Wiring
‑77‑
6.2 STO Terminals (J14) and Wiring
Terminal arrangement and definitions
The STO function is integrated in the control module, and its terminal arrangement
and definitions are as follows.
Figure 6‑1 STO terminal arrangement
Table 6–1 STO terminals
No.
Mark
Name
Performance Requirements
1 STO1
STO channel 1 Internal connection: By default,
STO1 and STO2 are connected to
+24V by using a jumper bar upon
factory delivery. External
connection: STO1, STO2, and +24V
can be connected to an external 24 V
power supply. See the STO function
for the detailed wiring.
2 STO2
STO channel 2
3 +24V
Positive power terminal
for STO channels 1 and
2
4 COM
Power ground terminal
of STO channels 1 and 2
Electrical specifications and connections of input circuit
● Specifications
Table 6–2 Specifications
Signal
Input State
Description
STO1
"1" or "H"
The input signal is
normal.
"0" or "L"
The STO function is
enabled.
STO2
"1" or "H"
The input signal is
normal.
"0" or "L"
The STO function is
enabled.
● Electrical characteristics