Panasonic MINAS A5 Two-Way Radio User Manual


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7-19
1
Before Using the Products
2
Preparation
3
Connection
4
Setup
5
Adjustment
6
When in Trouble
7
Supplement
Composition of Absolute Data
Absolute data consists of singe-turn data which shows the absolute position per one
revolution and multi-turn data which counts the number of revolution of the motor after
clearing the encoder.
Single-turn data and multi-turn data are composed by using 15-character data (hexadeci-
mal binary code) which are received via RS232 or RS485.
Single-turn data
CW CCW
–1 0 0 1 1 2
131071 0,1,2 … …13107 1 0,1,2 131071 0,1,
Multi-turn data
Motor rotational direction
'HWDLOVRIPXOWLWXUQGDWD
65535
CW 0 CCW
Error
Absolute counter over
error protection
Normal Error
Multi-turn data
0Bh
Axis address
D2h
03h
11h
Encoder status (L)
Setup value of Pr5.31 “Axis address”.
Encoder status (H)
Single-turn data (L)
Single-turn data (M)
Single-turn data (H)
Multi-turn data (L)
Multi-turn data (H)
00h
Error code
Checksum
Becomes to 0 when the communication is
carried out normally. If not 0, capture the
absolute data from the driver again
Received
absolute data
(15 characters)
Remarks
Note
,IWKH PXOWLWXUQGDWDRIWKHDERYHÀJ LVEHWZHHQ WRFRQYHUW LWWRVLJQHG
date after deducting 65536.
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2QO\IRUSRVLWLRQFRQWUROW\SHGRHVQRWVXSSRUWWKHELWDEVROXWHVSHFLÀFDWLRQ
,WVXSSRUWVRQO\ELWLQFUHPHQWDOVSHFLÀFDWLRQ
2. Absolute system
Transferring absolute data
Single-turn data Single-turn data (H)×10000h+Single-turn data (M)×100h+Single-turn data (L)
multi-turn data
multi-turn data (H) ×100h+multi-turn data (L)
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