YASKAWA G7 User Manual

16
Verify Communication
The following is a quick reference guide for serial communications to the G7 drive. Make a copy of this page and check-off each item as it is
completed. For detailed information please refer to the detailed sections that follow.
1: RS-232 Communication.
1.1: Verify that the correct cable is used to connect the controller to the G7 drive.
1.2: Verify that the controller is set for RS-232 communication and that the communication cable is connected to the correct
communication port.
1.3: Record the controller communication parameters.
Baud Rate
Parity Data Bits Stop Bits 1
1.4: Record the G7 drive communication parameters (H5-02, H5-03, H5-07).
Baud Rate
Parity Data Bits Stop Bits 1
1.5: Verify that the communication parameters match.
2: RS-422/RS-485 Communication.
2.1: Verify that the G7 drive is connected correctly.
2.2: Verify that the controller is set for RS-422/RS-485 communications and that the communications cable is connected to
the correct communications port.
2.3: Record the controller communications parameters.
Baud Rate
Parity Data Bits Stop Bits 1
2.4: Record the G7 drive communication parameters (H5-01, H5-02, H5-03, H5-07).
Baud Rate
Parity Data Bits Stop Bits 1
2.5: Verify that the communication parameters match.
2.6: Verify that parameter H5-07 (RTS) is set to enable.
2.7: Verify that parameter H5-01 (Node Address) is set to the correct, unique, hexadecimal value and that it matches the
node address required by the controller.
Controller Node Address
G7 Drive Node Address

YASKAWA G7 Specifications

General

Type	DC Drive
Enclosure Rating	IP20
Overload Capacity	150% for 60 seconds
Protection Functions	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit
Communication Interface	RS-485
Humidity	5 to 95% (non-condensing)
Storage Temperature	-20°C to 60°C (-4°F to 140°F)