7-23
1
Before Using the Products
2
Preparat on
3
Connect on
4
Setup
5
Ad ustment
6
When n Troub e
7
Supp ement
Composition of external scale absolute data
Using 15-character data received through RS232/RS485, organize 1-turn data and multi-
turn data.
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,51h: absolute type
52h: incremental type
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).
Remarks
If the multi-turn data of the above g. is between 32768 to 65535, convert it to signed
date after deducting 65536.
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