7.2 Specification
7.2.1 Performance Specification
7.2.2
Hardware Specification
7.2.3
Communication Specification
7.3
Installation
7.3.1 Connecting the Communication Line
1) Connect the RS485 communication line to the drive’s (S+), (S-) terminals of the control
terminals.
2) Connect the CM terminal among drives for stable communication.
3) Check the connection and turn ON the drive.
4) Install a repeater to upgrade the communication speed or longer than 1200mm
communication line is used. Repeater is required for upgrading communication quality
in the noise-high environment.
5) If the communication line is connected correctly set the communication-related
parameters as the following:
DRV-03 [Drive mode]: 3(RS485)
DRV-04 [Freq. mode]: 7(RS485)
I60 [Inv. Number]: 1~32 (If more than 1 drive is connected, be sure to use different
numbers for each drive)
I61 [Baud-rate]: 3 (9,600 bps as Factory default)
I62 [Lost Mode]: 0 - No action (Factory default)
I63 [Time-Out]: 1.0 sec (Factory default)
I59 [Comm. Prot]: 0 - Modbus-RTU
131
7 - Remote Communication
Item Specification
Communication Method RS485
Transformation Form Bus method, Multi drop Link System
Applicable Drive RSi GX Series
Converter RS232 converter
Connectable Drives Max 31
Transmission Distance Max. 1,200m (within 700m recommended)
Item Specification
Installation Use S+, S- terminals on control terminal block
Power Supply Use Insulated power from the drive power supply
Item Specification
Communication Speed 19,200/9,600/4,800/2,400/1,200 bps selectable
Control Procedure Asynchronous communication system
Communication System Half duplex system
Character System ASCII (8 bit)
Stop bit Length Modbus-RTU: 2 bit
Sum Check 2 byte
Parity Check None
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