PCB - 2U1 (Master)
X901
C
230 V
400 V
X900
PE
L3
L1(L)
L2(N)
X100
53
Temp In 1
54
CAN_H
55
CAN_L
56
Analogue In 0
57
Analogue In 1
58
Analogue In 2
59
Analogue In 3
60
Analogue In 4
61
Analogue In 5
62
Analogue Out 0
63
Analogue Out 1
64
Analogue Out 2
X101
65
Analogue Out 3
66
Analogue Out 4
67
RS485 A_L
68
RS485_B_L
69
RS485_A_R
70
RS485_B_R
Installation and operating instructions: Wilo-SC-Fire Diesel A2P
Used for:
Shunt to power at
230 V AC
Used for:
Earth connection
Power supply to the PCB
(2U1): Live wire 230 V
Power supply to the PCB
(2U1): Neutral 230 V
Used for:
Oil temperature (variable
resistance)
Speed sensor of the
diesel motor (variable
frequency)
External temperature of
the water (variable
resistance)
Used for:
RS485: Output Modbus or
Bacnet
RS485: Output Modbus or
Bacnet
PCB - 2U2 (Slave)
X901
C
230 V
400 V
X900
PE
L3
L1(L)
L2(N)
X100
53
Temp In 1
54
CAN_H
55
CAN_L
56
Analogue In 0
57
Analogue In 1
58
Analogue In 2
59
Analogue In 3
60
Analogue In 4
61
Analogue In 5
62
Analogue Out 0
63
Analogue Out 1
64
Analogue Out 2
X101
65
Analogue Out 3
66
Analogue Out 4
67
RS485 A_L
68
RS485_B_L
69
RS485_A_R
70
RS485_B_R
Used for:
Shunt to power at 230 V AC
Used for:
Earth connection
Power supply to the PCB
(2U2): Live wire 230 V
Power supply to the PCB
(2U2): Neutral 230 V
Used for:
Key switch to access level 2
(TOR)
Monitoring of the general
inter/switch amplifier 230 V
(TOR)
Monitoring of the 230 V
power supply of battery 1
charger (TOR)
Monitoring of the 230 V
power supply of battery 2
charger (TOR)
Load current of battery 1
for the LCD display (signal
originating from charger via
a COM bus)
Load current of battery 2
for the LCD display (signal
originating from charger via
a COM bus)
Used for:
Internal bus: Battery 1
charger
Internal bus: Battery 1
charger
Internal bus: Battery 2
charger
Internal bus: Battery 2
charger
English
59
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