User Manual

KIO22 Analog Input/Output Module User Manual Page 5 of 7
4 WIRING
Fig.1 KIO22 Mask Drawing
Table 3 Wiring Terminals Description
No.
Function
Cable Size
Remark
1.
AO(1) I+
1.0mm
2
Current positive output.
2.
AO(1) TR
TR and I+ are short connection, the
internal 100Ω resistance can be
connected to the output circuit, and the
output signal can be converted into a
voltage signal.
3.
AO(1) I-
Current negative output.
4.
AO(2) I+
1.0mm
2
Current positive output.
5.
AO(2) TR
TR and I+ are short connection, the
internal 100Ω resistance can be
connected to the output circuit, and the
output signal can be converted into a
voltage signal.
6.
AO(2) I-
Current negative output.
7.
KIN2 -
0.5mm
2
K-type thermocouple sensor
8.
KIN2 +
9.
KIN1 -
0.5mm
2
K-type thermocouple sensor
10.
KIN1 +
11.
DC Power Input B+
1.0mm
2
DC power positive input.
12.
DC Power Input B-
1.0mm
2
DC power negative input.
/
POWER
Power normal indicator.
/
LINK
Communicate with host computer via
MODBUS RTU protocol.