Mitsubishi Electric MR-J4, Instruction Manual

Page: 549 / 794

14. COMMUNICATION FUNCTION (MITSUBISHI GENERAL-PURPOSE AC SERVO PROTOCOL)
14 - 20
14.5.2 Status display mode
(1) Reading the status display name and unit
The following shows how to read the status display name and unit.
(a) Transmission
Transmit the command [0] [1] and the data No. corresponding to the status display item to be read,
[0] [0] to [0] [E] and [2] [0] to [2] [9]. (Refer to section 14.4.1.)
(b) Return
The slave station returns the status display name and unit requested.
0 0
Unit characters (5 digits) Name characters (9 digits)
(2) Status display data reading
The following shows how to read the status display data and processing information.
(a) Transmission
Transmit the command [0] [1] and the data No. corresponding to the status display item to be read,
[8] [0] to [8] [E] and [A] [0] to [A] [9]. (Refer to section 14.4.1.)
(b) Return
The slave station returns the status display data requested.
Display type
0: Data must be converted into decimal.
1: Data is used unchanged in hexadecimal.
Decimal point position
0: No decimal point
1: First least significant digit (normally not used)
2: Second least significant digit
3: Third least significant digit
4: Forth least significant digit
5: Fifth least significant digit
6: Sixth least significant digit
Data 32-bit length (hexadecimal representation)
(Data conversion is required as indicated in the display type.)
0 0
(3) Status display data clear
To clear the cumulative feedback pulse data of the status display, send this command immediately after
reading each status display item. The data of the status display item transmitted is cleared to "0".
Command Data No. Data
[8] [1] [0] [0] 1EA5
For example, after sending command [0] [1] and data No. [8] [0] and receiving the status display data,
send command [8] [1], data No. [0] [0] and data [1EA5] to clear the cumulative feedback pulse value to
"0".