COMMUNICATIONS
Modbus Communication
118
Communication Parameters Setup
•
PLC Com Type [PLC–23]:
Set to
0_Modbus 485
. This enables Modbus on COM1 with the format
RTU 8, N, 1. When Modbus is enabled, BACnet communication, and PLC communication are disabled on
COM1.
•
COM1 Address [Comm–00]:
If the AC motor drive is controlled by RS-485 serial communication, the
communication address for this drive must be set via this parameter and each AC motor drive’s com
-
munication address must be different.
•
COM1 Speed [Comm–01]:
This parameter is for selecting the RS485 communication transmission
speed. Set 4.8K, 9.6K, 19.2K, 38.4K, 57.6K and 115.2K.
NOTE:
If the value is not one of these 6 types, it will be replaced by 9.6K.
•
COM1 Loss [Comm–02]:
Sets the action when communication errors occur.
•
COM1 Loss Delay [Comm–03]:
Setting for communication timeout detection.
•
COM1 Protocol [Comm–04]:
RS485 Protocol: Data Bits - Parity - Stop Bits - Message Format
•
Response Delay [Comm–05]:
Duration VFD waits before responding to received communication.
•
Main Frequency [Comm–06]:
When
Auto Speed Ref [SET-07]
is set to RS485 Interface, the last frequency
command is stored in this parameter. After rebooting from an abnormal turn-off or momentary power
loss, the VFD will continue operation with last frequency.
System Parameters Setup
•
HOA Mode Source [SET–60]:
Set to
2_RS485 Serial
. This enables Modbus to switch between Hand and
Auto modes.
•
Auto Speed Ref [SET–07]:
Set to
5_RS485 Serial
. This enables Modbus to control the speed when in Auto
mode.
•
Auto Run Cmd [SET–08]:
Set to
2_RS485 Serial
. This enables Modbus to initiate a Run Command in Auto
mode.
•
Hand Speed Ref [SET–09]:
Set to
1_RS485 Serial
. This enables Modbus to control the speed when in
Hand mode.
•
Hand Run Cmd [SET–10]:
Set to
2_RS485 Serial
. This enables Modbus to initiate a Run Command in Hand
mode.
Summary of Contents for CERUS X-DRIVE CXD-003A-4V
Page 2: ......
Page 3: ...CERUS X DRIVE INSTALLATION AND OPERATION MANUAL Firmware Version 1 2 Franklin Electric Co Inc ...
Page 96: ...OPERATION Protection Features 96 ...
Page 112: ...ADVANCED APPLICATION OPTIONS Multi Drive Configurations 112 ...
Page 124: ...COMMUNICATIONS BACnet Communication 124 ...
Page 128: ...ACCESSORIES Optional Extension Cards 128 Frame D Frame E Frame F ...
Page 129: ...ACCESSORIES Optional Extension Cards 129 Frame G Frame H ...
Page 132: ...ACCESSORIES Optional Extension Cards 132 ...
Page 234: ...PARAMETER REFERENCE TABLES Parameter Descriptions Motor Menu 234 ...
Page 250: ...GLOSSARY 250 ...