3
Mode 1
RS485+
RS485-
Spare
Spare
Mode 2
R+
R-
T+
T-
RS422 Output
:
RS485 and RS422 changeable
3.
GPIO 1
,
2
,
3 output
:
1)
Inside framework
2)
recommended connection
:
Item
:
VCC recommended
:
3.3V
,
5V
,
8V
,
12V
。
RL recommended
:
10K
VCE Output control pin
,
We suggest adding amplifying circuit if the circuit
drives high current component.
Normal state
:
GPIO: High impedance. Temporality: VCE approximately equal to VCC
;
Alarm state
:
GPIO: Low impedance .Temporality: VCC approximately equal to 0V
;
GPIO 1,2,3
COM