Modbus tcp/ip dpram interface (read / write), Modbus tcp/ip dpram interface (read / write) -2, F7u parameters 4-2 – Yaskawa F7 Modbus User Manual
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F7U Parameters 4-2
MODBUS TCP/IP DPRAM Interface (Read / Write)
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A maximum of 10 simultaneous connections are allowed.
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The RUN Command and Frequency Reference may only be accessed through UNIT ID 1. While the drive is in remote RUN
mode, the RUN command must be continually refreshed within 5 seconds. If the RUN command is not refreshed within 5
seconds, an EF0 fault will occur. Refer to the appropriate drive manual for information on EF0 and setting the appropriate drive
response. If a UNIT ID 1 connection is active, the NS/CON LED will blink at approximately a 500 ms cycle.
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The TCP/IP connection must be refreshed within 60 seconds. If it is not refreshed within 60 seconds, the connection will be
closed.
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This implementation of MODBUS TCP/IP supports MODBUS functions 3 (read multiple registers), 6 (write single register) and
16 (write multiple registers).
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The table below lists those registers available via high speed DP-RAM. DP-RAM access is designed to be used as part of the
standard PLC I/O or scan table, where fast response is required. Other register values should be accessed via individual messages,
i.e. via an MSTR block.
Table 4.2 – MODBUS TCP/IP Interface Registers
Addr
Function
Bit
Description
0h
Forward RUN Input
1h Reverse
RUN
Input
2h
Multi-Function Digital Input S3
3h
Multi-Function Digital Input S4
4h
Multi-Function Digital Input S5
5h
Multi-Function Digital Input S6
6h
Multi-Function Digital Input S7
7h
Multi-Function Digital Input S8 (G5, F7 & G7 only)
8h
External Fault Input (EF0)
9h Fault
Reset
Ah
Multi-Function Digital Input S9 G7 only)
Bh
Multi-Function Digital Input S10 G7 only)
Ch
Multi-Function Digital Input S11 G7 only)
Dh
Multi-Function Digital Input S12 G7 only)
Eh
Fault Log Trace Clear Input
0001h Command
Fh
External Base Block Input
0002h Frequency Reference
Frequency Reference
0h
@ RUN
1h
@ Zero Speed
2h
@ Reverse RUN
3h
@ Reset
4h
@ Speed Agree
5h
@ Drive Ready
6h
@ Minor Fault
7h
@ Major Fault
8h
@ OPE Fault
9h
@Return From Sudden Stop
Ah
@ Remote Mode
Bh
Multi-Function Output 1
Ch
Multi-Function Output 2
Dh
Multi-Function Output 3 (G5, F7 & G7 only)
Eh
@ Motor 2 Selected
2000h
Status
Fh
@ Zero Servo Complete
2001h
Speed
U1-05
2002h
Torque
U1-09
2003h
PG Count Channel 1
PG Count Channel 1
2004h
Frequency Reference
U1-01
2005h
Output Frequency
U1-02
2006h
Current
U1-03
2007h
Terminal 14 Output
Terminal 14 Output
2008h
DC BUS Voltage
DC BUS Voltage
0h
PUF Fuse
Fault
1h
UV1 Main
Circuit
Undervoltage
2h
UV2 Control Power Undervoltage
3h
UV3 MC
Fail
4h
Reserved
5h
GF Ground
Fault
6h
OC Overcurrent
7h
OV Overvoltage
8h
OH Drive
Overheat
9h
OH1 Motor
Overheat
Alarm
Ah
OL1 Motor
Overload
Bh
OL2 Drive
Overload
Ch
OL3 Overtorque
1
Dh
OL4 Overtorque
2
2009h
Error 1
Eh
RR Braking
Resistor
Fault