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3.3 Cable Connections
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2
3.3.1 Cable Configuration
Section C
Section A
Section B
1. Section A: Inverter communication ports including CAN/RS485 and enable lines
2. Section B: DIP switch for setting communication termination resistor.
3. Section C: DIP switch for setting primary/secondary packs.
4. Section D: Do not connect the internal communication ports
5. Section E: Battery power ports including positive/negative pole and ground
(POS: power terminal plus, NEG: power terminal minus, GND: ground)
3.3.2 Guide for cable connection and setting the DIP switch
1
2
3
4
5
6
※ Refer to Section 3.3.3 Spring Terminal Blocks, when choosing the communication cable
and stripping cable sheath.
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Section D
Section E
1. Section A: Inverter communication
ports
a) First, connect the enable ground
wire to Terminal 2.
b) Connect the enable 12V positive
line to Terminal 1.
c) Select the method that matches the
inverter communication method in
the part marked. If the inverter uses
RS485, connect the RS485 (A+,
B-) lines to Terminals 3 and 4. If
inverter uses the CAN method,
connect the CAN (high, low) lines
to Terminals 5 and 6.
2. Section B: DIP switch for setting
communication termination resistor
of primary/secondary packs
Lower the DIP switch (Communication
Termination resistor) all downwards for
single pack.
※ When you install two packs, refer
to the appendix about setting for
communication termination resistor.
3. Section C: DIP switch for setting
primary/secondary packs
Raise all DIP switches upward when
you want to use as a primary pack.
And also, when you want to use as a
secondary pack, lower the switch on
the right side only when viewed from
the front
1
2
3
※ When you install two packs, refer to the appendix about power cable.
3.3.3 Spring Terminal Blocks
1. Power terminal block
• Max. cable length: 10 m
(35 ft)
• Cable type:
UL: 8 AWG
IEC: 6 SQ (mm
)
2
(Optional) Ferrule:
6 SQ (mm
)
2
• DC 600V insulated
• Pinning
• Phoenix contact
• PCB terminal block SPT
5/3-H-7,5-ZB
• P/N: 1719202
2. Communication terminal block
• Max. cable length: 10 m
(35 ft)
• Cable type: 0.2~1.5mm²
(18~22AWG)
• Pinning
• Phoenix contact
• PCB terminal block SPT
2,5/6-H-5,0
• P/N: 1991011
※ Strip cable sheaths (15 mm for the power terminal cable and 10 mm for the communication
terminal cable).
NOTE
Ensure all cable are firmly in place. Loose power cables can cause arcing and may damage
the battery and/or inverter.
4. Section E: Battery power port
a) Connect the ground wire to
Terminal 2.
b) Connect the negative line of the
power cable to Terminal 3.
c) Connect the positive line of the
power cable to Terminal 1.
※ Refer to 3.3.3 Spring Terminal
Blocks when choosing the battery
power cable and stripping cable
sheath.
( + )
GND
( - )
ENABLE 12V
ENABLE GND
RS485 A+
RS485 B-
CAN Hi
CAN Lo
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