Instruction Manual

5. Modbus RTU
75
Modbus
5.3.6 Total FAN Driving Time Reading <<TIMN>>
(1) Function
This bit reads the Total FAN driving time (in 1 sec units)
[Dedicated for PCON-CFA]
(2) Query format
Field Number of data items
(number of bytes)
RTU mode
8-bit data
Remarks
Start None Silent interval
Slave address [H] 1 Arbitrary Axis number + 1 (01
H
to 10
H
)
Function code [H] 1 03 Register reading
Start address [H] 2 842E Total FAN driving time
Number of registers [H] 2 0002 Reading addresses 842E
H
to
842F
H
Error check [H] 2 CRC (16 bits)
End None Silent interval
Total number of bytes 8
(3) Response format
A response message contains 16 bits of data per register.
Field Number of data items
(number of bytes)
RTU mode
8-bit data
Remarks
Start None Silent interval
Slave address [H] 1 Arbitrary Axis number + 1 (01
H
to 10
H
)
Function code [H] 1 03 Register reading
Number of data bytes [H] 1 04 Reading 2 registers = 4 bytes
Data 1 [H] 2 Total FAN driving time Total FAN driving time [Hex]
(most significant digit)
Data 2 [H] 2 Total FAN driving time Total FAN driving time [Hex]
(least significant digit)
Error check [H] 2 CRC (16 bits)
End None Silent interval
Total number of bytes 9