SJ300 Inverter
Serial Connection The serial connector is to the left of the control logic connector as shown below:
DiagramsSerial
Communications
Connector
SP SN RP SN
Termination resistor
Termination resistor (+)
Send/receive
Send/receive (+) Positive
Each device requires just two connections for data transmission and reception. Additionally, the device at each physical end of the wiring requires a termination resistor. The SJ300 has
B Appendix
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| SJ300 |
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| SJ300 |
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| SJ300 |
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| SP | SN | RP | SN |
| SP | SN | RP | SN |
| SP | SN | RP | SN | ||||||||||
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| Send/receive |
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| Send/receive (+) |
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| Termination jumper |
TIP: Each slave device on the serial network must have a unique node address, set by parameter C072. If this is a new application, we recommend connecting one new device at a time and checking the communications after each addition.