Two-Way Radio User Manual

7-21
1
Before Using the Products
2
Preparation
3
Connection
4
Setup
5
Adjustment
6
When in Trouble
7
Supplement
External scale RS232 communication procedure
Refer to the instruction manual of the host for the transmission/reception method of com-
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Transmission starts
N
N
N
N
Y
Y
Y
Y
transmission finishes
05h transmission
Host requests
for absolute
data to driver
Host receives
absolute data
from driver
04h transmission
06h transmission 15h transmission
Reception of
absolute data
(15 characters)
04h reception
06h reception
05h reception
Check sum
OK'ed reception
01h transmission
00h transmission
3Dh transmission
* 1
* 2
C2h transmission
Enter the Pr5.31 value of the driver to which you want to communicate from the host to
axis (
*
1 data) of the command block, and transmit the command according to the RS232
communication protocol. For details of communication, refer to P.7-27, "Communication".
Caution
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capture multiple axes data.
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than 2 times to confirm the absolute data coincide, in order to avoid
mis-operation due to unexpected noise.
Data of
*
1 and
*
2 are determined by the setup
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Axis address
(example)
Data of
*
1Data of
*
2
K3Eh
1 K 3Dh
2 K 3Ch
3 K 3Bh
4 K 3Ah
5 K 39h
6 K K
7 K 37h
K36h
9 K 35h
 $K 34h
11 %K 33h
12 &K 32h
13 'K 31h
14 (K K
15 )K 2Fh
16 K 2Eh
17 11h 2Dh
 12h 2Ch
19 13h 2Bh
 14h 2Ah
21 15h 29h
22 16h K
23 17h 27h
24 K 26h
25 19h 25h
26 1Ah 24h
27 1Bh 23h
 1Ch 22h
29 1Dh 21h
 1Eh K
31 1Fh 1Fh
Check sum becomes OK'ed when the lower
8-bit of the sum of the received absolute data
(15 characters) is 0.
7
2. Absolute system
Supplement
Transferring external scale absolute data
Note
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nector for External Scale).
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