2 Installation and Wiring
- 29 -
2.2.3 Control Terminal Wiring
T1
C
T1
A
3
2
1
4
5
8
7
6
9
COM
24
V
P1
-
P1
+
PT
1-
PT
2-
PT
2
+
PT
1
+
+
24
V
COM
DI
3
DI
2
DI
1
COM
+
24
V
Solenoid valve
(220 VAC output)
DI input
DI1: emergency stop
DI3: PTC
IT6070T
(with IoT)
HMI
DB9(1)
DB9(2)
3
2
1
4
5
8
7
6
9
CP700 AC drive
Pressure sensor
(24V4 to 20 mA)
Temperature
sensor
(PT100)
RJ45
RS485
Figure 2-10 Control terminal wiring (three phase 380 V 5.5–15 kW, three phase 220 V 7.5 kW)
T2
C
T2
A
T1
C
T1
A
3
2
1
4
5
8
7
6
9
3
2
1
4
5
8
7
6
9
COM
24
V
P1
-
P2
-
P2
+
P1
+
PT
1-
PT
2-
PT
2
+
PT
1
+
COM
DI
6
DI
5
DI
4
DI
3
DI
2
DI
1
COM
1
24
V1
GND
485
+
485
-
Solenoid valve
(220 VAC
output)
DI input
DI1: emergency stop
DI6: PTC
GND
485
+
485
-
DB9 port
(RS485_2)
RS485_1
PLC
IT6070T (with IoT)
HMI
DB9(1)
DB9(2)
COM
1
24
V1
3
2
1
4
5
8
7
6
9
H2U (optional joint control)
CP700 AC drive
DB9
Pressure sensor
(24V4 to 20 mA)
Temperature
sensor
(PT100)
COM
2
24
V2
24 V motor
(optional)
RJ45
SOP-20-CP
(optional LCD
panel)
RS485_1
Figure 2-11 Control terminal wiring (three phase 380 V 18.5–90 kW, three phase 220 V 11–45 kW)
NOTE
In the preceding figures, solid lines indicate the recommended shortest wiring
during system running, while dotted lines indicate the recommended wiring
when air compressor configuration varies.
