VTO (RS485 port 5) while the end connects to GND of VTO (RS485 port 4). See
Figure 2- 12.
Figure 2- 12
2.6.2 Electromagnetic Lock
Here makes VTO6100C as an example. For VTO6000C, VTO6000CM and
VTO6100C you can refer to this chapter.
When VTO connects to electromagnetic lock, it means that the positive end of
electromagnetic lock connects to NC of VTO (03.3-pin green 2) while its negative end
connects to COM of VTO (03.3-pin green 3).
When VTO connects to door sensor in electromagnetic lock, one end of door sensor
connects to ALM1 of VTO (04.3-pin green 1) while the end connects to GND of VTO
(04.3-pin green 3). See Figure 2- 13.
Figure 2- 13
Here makes VTO6210B as an example.
When VTO connects to electromagnetic lock, it means that the positive end of
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