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15. RS485 Communication
15.1 RS485 Communication port related parameter
While using serial communication control, this parameter is used to define the BAUD RATE, PROTOCOL and UNIT
NUMBER (or station address).
15.1.1 PDAN series Communication Parameter
Pr.93=PB.ID (P: Protocol, B: Baud Rate
,
ID: Unit Number):
1. ID is used to assign the communication address while this inverter controlled by RS485 port. ID=01~99
2. P: Protocol
Setting
Protocol
P=0
JPS Protocol, parameter number format “nn”
P=1
JPS Protocol, parameter number format “nnn”
P=2
Modbus Protocol, no parity, 8bit binary
P=3
JPS Modbus Protocol, no parity, 8bit binary
3. B: Baud Rate
Setting
Baud Rate
B=0
4800bps
,
2stopbits
B=1
9600bps
,
2stopbits
B=2
19200bps
,
2stopbits
B=3
Reserve
B=4
4800bps
,
1stopbits
B=5
9600bps
,
1stopbits
B=6
19200bps
,
1stopbits
B=7
Reserve
15.1.2 PDA/PDE/PDH series Communication Parameter
Pr.93= B.ID (B: Baud Rate, ID: Unit Number):
1.
ID is used to assign the communication address while this inverter controlled by RS485 port. ID=01~99
2.
B: Baud Rate
Setting
Baud Rate
B=0
4800bps
,
7 bit data
,
Even Parity
,
2 Stop Bit
B=1
9600bps
,
7 bit data
,
Even Parity
,
2 Stop Bit
B=2
19200bps
,
7 bit data
,
Even Parity
,
2 Stop Bit
B=3
Reserve
B=4
4800bps
,
7 bit data
,
Even Parity
,
1 Stop Bit
B=5
9600bps
,
7 bit data
,
Even Parity
,
1 Stop Bit
B=6
19200bps
,
7 bit data
,
Even Parity
,
1 Stop Bit
B=7
Reserve
15.2 RS485 Configuration
PDAN series build in RS485 communication port on CON6 of CPU board, the definition of CON6 is:
CON6 (JAM-SC25-05WS)
1:+5V
2: 0V
3:Sig+ (A)
4:Sig- (B)
5:leave this pin open
JP6 jumper of CPU board is used to select with/without Terminal Resistor.
JP1 on TR position, select with Terminal Resistor.
JP1 on NO position, select without Terminal Resistor.
JP6
NO
TR