Supmeter BST100-B11 - Switch Output;Input Connector (DO;DI)

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4.3.3 Switch Output/Input Connector (DO/DI)
4 Definable normally open relay (AC250V/DC24V, 1A) or transistor (DC24V, 500mA) switches are
used for outputting alarm/control signals to external devices. 3 Definable normally open switch inputs are
used for receiving control signals from external devices.
No.
Pin
Description
1
DO1+
Realy or Transistor Switch No.1 Output +/-.
2
DO1-
3
DO2+
Realy or Transistor Switch No.2 Output +/-.
4
DO2-
5
DO3+
Realy or Transistor Switch No.3 Output +/-.
6
DO3-
7
DO4+
Realy or Transistor Switch No.4 Output +/-.
8
DO4-
9
COM
DI Common Terminal [GND].
10
DI1
Switch Input No.1.
11
DI2
Switch Input No.2.
12
DI3
Switch Input No.3.
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