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7 Modbus TCP/IP Messaging
No. (Modbus
Drive Registers
Register)
200B
200C
200D
200E
200F
2010
■
Types of Enter Commands
The drive supports the two Enter commands shown in
An Enter command is enabled by writing 0 to register number 0900 (Hex.) or 0910 (Hex.).
These registers can be written to only.
An error will occur if the user attempts to read from these registers.
Register Number
(Hex.)
When you write parameter data to the EEPROM, you will enable the data on the RAM at the same time.
0900
Parameter changes remain even if the power supply is cycled.
This updates the data on the RAM, but does not write data to the EEPROM.
0910
Parameter changes are lost when the drive is shut off.
Note:
• You can write the EEPROM to the drive a maximum of 100,000 times. Do not frequently execute the Enter command (0900 (Hex.))
that is written to EEPROM. When the command data or broadcast message is transmitted to the drive, the Enter command is not
necessary.
• Parameter data cannot be written to EEPROM during undervoltage, even using 0900 (Hex.).
• If undervoltage occurs when a making several parameter changes issued with a single ENTER command, the writing process may be
aborted before all of the new changes have been written. Because all of the data has not yet been written, the EEPROM data error
CPF06 will be displayed the next time power to the drive is cycled. To prevent CPF06, wait approximately 5 seconds after issuing the
ENTER command before shutting off drive power.
28
Register Name
C2
Error Signal 3
4E
Terminal A1 Input Level Monitor (U1-13)
49
Digital Input Terminal Status (U1-10)
50
Terminal A3 Input Level Monitor (U1-15)
F1
PG Count Channel 2
4D
Drive Software Number (Flash) (U1-25)
Table 7.4 Types of Enter Commands
Bit
A
Input Phase Loss (PF)
B
Output Phase Loss (LF)
C
Motor Overheat (PTC input) (oH3)
D
Digital Operator Connection Fault (oPr)
E
EEPROM Write Error (Err)
F
Motor Overheat Fault (PTC input) (oH4)
0
MEMOBUS/Modbus Communication Error (CE)
1
Option Communication Error (bUS)
2
Reserved
3
Reserved
4
Control Fault (CF)
5
Zero Servo Fault (SvE)
6
Option External Fault (EF0)
7
PID Feedback Loss (FbL)
8
Undertorque Detection 1 (UL3)
9
Undertorque Detection 2 (UL4)
A
High Slip Braking Overload (oL7)
B
Reserved
C
Reserved
D
Reserved
E
Reserved
F
Hardware Fault (includes oFx)
Table
7.4.
Description
YASKAWA SIEP C730600 0IB Modbus TCP/IP Technical Manual
Description
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