47
ENG
Electrical connections
g0300122EN rel. 1.0 - 01.12.2021
c.pHC control board
M2
M9
1 2
1
1 2 3
1 2 3
4 5
2
1 2
1
1
2
2
1 2 3 4 5 6
J17C
G
2 1
J17L
J23
J24
J19
J20
J3
J16
M3
J18
2 1
J21
M8
M1
M5
M6
M12
1
1
2
3
4
5
6
7
8
2
1
1
3 2
3
1
2
2
1
2
1
2
main pr
obe
ex
t. r
egula
to
r
GND
GND
Remot
e
ON/OFF
limit pr
obe
12V
dc
Control signal
Ethernet
GND
RS485 Serial
L+
L-
Alarm
relay
NO
NC
C
NO
C
U
nit
status
relay
Fig. 9.e
Terminal
Function
Electrical specifi cations
M1
M1.1
GND (G0)
M1.2
Controller power supply
24Vac +10%/-15% 50/60Hz
M2
M2.1
Main room probe input
or signal from external controller
0 to 1V, 0 to 10V, 2 to 10V, 0 to 20mA, 4 to 20mA, NTC 10 kΩ at
25 °C
M2.2
GND
M2.3
Probe power supply (+G)
+12 Vdc, maximum current that can be delivered 50 mA;
Short-circuit protection
G
Probe power supply (+G)
0-10 V
M2.4
Digital input for backup/rotation function
Maximum output current: 5 mA:
Maximum voltage with open contact: 13Vdc
M2.5
Limit humidity probe signal input
0 to 1V, 0 to 10V, 2 to 10V, 0 to 20mA, 4 to 20mA, NTC
M2.6
GND
M2.7
GND
M2.8
Remote on/off contact digital input
Maximum output current: 5 mA:
Maximum voltage with open contact: 13Vdc
M3
M3.1
Tx/Rx-
M3.2
Fieldbus
Tx/Rx+
M3.3
GND
M5
M5.1
Unit status contact (NO)
250 Vac; 2 A with resistive load; 2 A with inductive load
M5.2
Unit status contact common
M6
M6.1
Alarm common
M6.2
NC alarm contact
250 Vac; 2 A with resistive load; 2 A with inductive load
M6.3
NO alarm contact
M8
M8.1
Production request analogue output
Output voltage range: 0-10 V, max 10 mA
M8.2
GND
M9
M9.1
Backup and rotation contact common
250 Vac; 2 A with resistive load; 2 A with inductive load
M9.2
Backup and rotation NO contact
M11
Ethernet port
M12
M12.1
Tx/Rx-
M12.2
BMS 485
Tx/Rx+
M12.3
GND
Earth connection
J18
pLAN/display terminal
J19
J19.1
Auxiliary/blower contact
250 Vac; 2 A with resistive load; 2 A with inductive load
J19.2
Auxiliary/blower contact common (NO)
USB port (type A)
Ethernet RJ45 port
Tab. 9.c