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6
AD4412-CW
1.2.
Connecting the external equipment
This section describes the specifications and connection examples for control I/O.
Control I/O specifications
Control I/O has DO11 points, DI11 points, and the following specifications.
Table 1
Control I/O
Interface specifications
Input circuit (DI) method
Non-voltage input/open collector drive
Input terminal open valtage
7 to 11 V
Input circuit drive current
5 mA (max.)
Max. residual voltage
2V (max.)
Output circuit (DO) method
Open collector
Output circuit withstand
voltage
DC 40 V
Max. drive current
50 mA
Output terminal residual
voltage
1.5 V (at drive current 50 mA)
Connecting the control I
/
O
Refer to the following figure for connecting the control I/O.
Fig. 4
Input and output circuit of control I/O
Relay (with protection diode)
Photo coupler
Mechanical relay
Open collector
Max. 5 mA
Recommended drive circuit
Output common B12
Max. drive current 50 mA
internal circuit
Input common A12
Recommended drive circuit
Be sure to attach protection
diode to inductive loads such as
relay and solenoid coil.
Max. DC 40 V