ABB D1M 20, Руководство пользователя

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D1M 20 POWER METER USER MANUAL
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4.3.Wiring diagrams
The operations to carry out for the correct connection of the device, based on the type of electric line
available, are described in this section.
The installation and the cabling of the device must be carried out by qualified personnel.
Danger of electrocution, burning and electric arc.
Use the personal protection devices suitable to adhere to the current regulations governing electrical
safety.
Prior to carrying out any connections check the sectioning of the electric supply with the voltage
detection device.
D1M 20 Modbus D1M 20 Ethernet
Type of network
D1M 20 can be used on different type of network (please refer to chapter “7. Configuration (CONF)” for
the configuration on the device). According to the type of network that has been chosen, the parameters
visualized on the device HMI change. Below the wiring diagrams are shown:
• 3-phase 4-wire network with 3CTs (3N3T)
PE
L1(A)
L2(B)
L3(C)
N
I 1
S 1
I 2 I 3
S 2 S 1 S 2 S 1 S 2 L 1 L 2 L 3 N
Voltage
3P4W3CT
Aux
PE
PE
L1(A)
L2(B)
L3(C)
N
I 1
S 1
I 2 I 3
S 2 S 1 S 2 S 1 S 2 L 1 L 2 L 3 N
Voltage
3P4W3CT
Aux
• 3-phase 4-wire network with 1CT (3N1T)
PE
L1(A)
L2(B)
L3(C)
N
I 1
S 1
I 2 I 3
S 2 S 1 S 2 S 1 S 2 L 1 L 2 L 3 N
Voltage
3P4W1CT
Aux
PE
PE
L1(A)
L2(B)
L3(C)
N
I 1
S 1
I 2 I 3
S 2 S 1 S 2 S 1 S 2 L 1 L 2 L 3 N
Voltage
3P4W1CT
Aux