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8 PARAMETER FUNCTIONS
8-15
8
MEMO
The above format assumes that the data code has two characters.
The number of characters in the data code changes with the
communication data.
When using the computer sending data to set the "waiting time",
insert the "waiting time" data (one character) in the position next to
the instruction code. Set it within the range 0 to 150ms in 10ms
increments. (Example; 1: 10ms, 2: 20ms)
Computer
Drive unit
Drive unit data processing time
= waiting time + data check time
(set value 10ms) (12ms)
Computer
Drive unit
In this case, set 9999 in Pr. 123.
ENQ
Sumcheck
(Data format example)
Station
number
Instruction
code
Waiting
time
Data code
CR
LF
The CR (carriage return) and LF (line feed) codes at the format end
are automatically set by the computer when data is sent from the
computer to the drive unit.
In this case, the sending data from the drive unit must also be set to
match the computer data.
Select whether the CR and LF are used or not by setting the Pr.
124 value.
Expression for calculating the communication data sending time
Data send time (s) = total number of bits in one character
×
total
number of characters
communication speed
(bps)
The total number of bits in one character is equal to the total number
of following bits.
Start bit: 1 bit
Data: 7 or 8 bits (selected using Pr. 119)
Stop bit: 1 or 2 bits (selected using Pr. 119)
Parity check:0 or 1 bit (selected using Pr. 120)