beautypg.com

3 parameter, Communication functions – MITSUBISHI ELECTRIC MR-J2S- A User Manual

Page 310

background image

14 - 17

14. COMMUNICATION FUNCTIONS

14.12.3 Parameter

(1) Parameter read

Read the parameter setting.

1) Transmission

Transmit command [0][5] and the data No. corresponding to the parameter No.
The data No. is expressed in hexadecimal equivalent of the data No. value corresponds to the
parameter number.

Command

Data No.

[0][5]

[0][0] to

[5][4]

2) Reply

The slave station sends back the data and processing information of the requested parameter
No.

Data is transferred in hexadecimal.

Decimal point position
0: No decimal point
1: Lower first digit
2: Lower second digit
3: Lower third digit
4: Lower fourth digit
5: Lower fifth digit

Display type
0: Used unchanged in hexadecimal
1: Conversion into decimal required

Parameter write type
0: Valid after write
1: Valid when power is switched on again after write

Read enable/disable
0: Read enable
1: Read disable

0

Enable/disable information changes according to the setting of parameter No.19 "parameter
write inhibit". When the enable/disable setting is read disable, ignore the parameter data part
and process it as unreadable.