Mitsubishi Electric fr-e700 series, Инструкция по эксплуатации

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Communication operation and setting Parameter
6 - 250
Data definitions
●
Control codes
●
Inverter station number
Specify the station number of the inverter which communicates with the computer.
The inverter station numbers are specified between H00 and H1F (stations 0 to 31) in hexadecimal.
●
Instruction code
Specify the processing request, e.g. operation or monitoring, given by the computer to the
inverter. Hence, the inverter can be run and monitored in various ways by specifying the instruc-
tion code as appropriate. (Refer to the appendix.)
●
Data
Indicates the data such as frequency and parameters transferred to and from the inverter. The
definitions and ranges of set data are determined in accordance with the instruction codes. (Refer
to the appendix.)
●
Waiting time
Specify the waiting time between the receipt of data at the inverter from the computer and the
transmission of reply data. Set the waiting time in accordance with the response time of the
computer between 0 and 150 ms in 10 ms increments (e.g. 1 = 10 ms, 2 = 20 ms).
Signal Name ASCII Code Description
STX H02 Start Of Text (start of data)
ETX H03 End Of Text (end of data)
ENQ H05 Enquiry (communication request)
ACK H06 Acknowledge (no data error detected)
LF H0A Line Feed
CR H0D Carriage Return
NAK H15 Negative Acknowledge (data error detected)
Tab. 6-74: Control codes
I000038C
Fig. 6-126: Specifying the waiting time
NOTES
When Pr. 123 "Waiting time setting" 9999, create the communication request data without "wait-
ing time" in the data format. (The number of characters decreases by 1.)
The data check time changes depending on the instruction code. (Refer to page 6-253).
Computer
Data flow
Inverter
Inverter
Data flow
Computer
Inverter data processing time
= Waiting time
+ Data check time
(setting 10 ms) (About 10 to 30 ms which
depends on the instruction
codes)