YASKAWA GA800 Programming Manual page 336

2.7 F: Options
Parameter
F6-50 to F6-71
F7-01 to F7-15
F7-16
F7-17 to F7-42
F7-60 to F7-79
■
Gateway Mode
Note:
When you use Gateway Mode, do not install the communication option in slave drives. If you install a communication option in a slave
drive, the drive commands and responses will not synchronize.
In gateway mode, you can use one communication option to communicate with more than one drive.
You can use one communication option to connect a maximum of five drives to the field bus communications. Refer
to Figure 2.76 for more information.
When you install a communication option on the master drive, you can use the RS-485 communication card to
transmit data and slave drives without a communication option can receive it.
Item
Applicable options
Number of connected drives
Communication Specifications
Commands/responses
Synchronous control
Note:
• The communication speed in gateway mode is slower than the speed in field bus communications. Make sure that the speed is acceptable
for your system.
• Response speed with the communication option is slower than the speed with point-to-point communications.
• Set H5-03 [Communication Parity Selection] to the same value on the master drive and slave drives.
WARNING! Injury to Personnel. Separately prepare safety protection equipment and systems, for example fast stop switches. If the
motor does not stop correctly from the disconnection of communications cable or electrical interference, it can cause serious injury.
Configuring Gateway Mode
Table 2.50 shows sample settings to connect 4 slave drives:
336
DeviceNet LonWorks
SI-N3 SI-W3
x -
- -
- -
- -
- -
Figure 2.76 Connection Examples in Gateway Mode
Table 2.49 Specification
All the options that support the MEMOBUS access function (for example, PROFIBUS-DP, PROFINET, EtherNet/IP, EtherCAT, etc.)
Maximum: 5 units
MEMOBUS/Modbus (RTUmode) communications
The controller can send this data to each drive (Drive 0 to Drive 4):
• Control commands: Run commands and frequency references
• Control responses: Output frequency and drive status (during run, faults)
• Read and write parameters
• Read monitors
Not supported
Modbus TCP/IP PROFINET
SI-EM3 SI-EP3
-
x
x
-
-
Specification
YASKAWA TOEPYAIGA8002B GA800 Drive Programming
EtherNet/IP
SI-EN3
- -
x x
- -
x x
- -