Panasonic MINAS A5-series, Operating Instructions Manual

Page: 319 / 394

7-23
1
Before
Using
the
Products
2
Preparation
3
Connection
4
Setup
5
Adjustment
6
When
in
Trouble
7
Supplement
Composition of external scale absolute data
Using 15-character data received through RS232/RS485, organize 1-turn data and multi-
turn data.
Remarks
If the multi-turn data of the above fig. is between 32768 to 65535, convert it to signed
date after deducting 65536.
2. Absolute system
Transferring external scale absolute data
0Bh
Axis address
C2h
FFh
* 1
31h
* 2
External scale status (L)
Setup value of Pr5.31 “Axis address”.
*1 Undefined
*2 Depends on external scale.
31h: Mitsutoyo made
AT573
32h: Mitsutoyo made
ST771A, ST773A
41h: Sony Manufacturing Systems made
SR77, SR87
External scale status (H)
Absolute data (1)
Absolute data (2)
Absolute data (3)
Absolute data (4)
Absolute data (5)
Absolute data (6)
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)
External scale absolute data
Absolute data (6)×10000000000h
+Absolute data (5)×100000000h
+Absolute data (4)×1000000h
+Absolute data (3)×10000h
+Absolute data (2)×100h
+Absolute data (1)
Absolute data of external scale is represented as 48 bit number (negative value is repre-
sented as two's complement).