7-21
1
Before Using the Products
2
Preparat
on
3
Connect
on
4
Setup
5
Ad
ustment
6
When
n T
roub
e
7
Supp
ement
External scale RS232 communication procedure
Refer to the instruction manual of the host for the transmission/reception method of com-
mand. Following shows the communication example of the driver to Pr5.31 “Axis address
= 1”.
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, "Communica-
tion".
Data of *1 and *2 are determined by the setup
of Pr5.31 “Axis address”.
Axis address
(example)
Data of
*
1
Data of
*
2
0
00h
3Eh
1
01h
3Dh
2
02h
3Ch
3
03h
3Bh
4
04h
3Ah
5
05h
39h
6
06h
38h
7
07h
37h
8
08h
36h
9
09h
35h
10
0Ah
34h
11
0Bh
33h
12
0Ch
32h
13
0Dh
31h
14
0Eh
30h
15
0Fh
2Fh
16
10h
2Eh
17
11h
2Dh
18
12h
2Ch
19
13h
2Bh
20
14h
2Ah
21
15h
29h
22
16h
28h
23
17h
27h
24
18h
26h
25
19h
25h
26
1Ah
24h
27
1Bh
23h
28
1Ch
22h
29
1Dh
21h
30
1Eh
20h
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
Caution
• Allow 50 ms or longer interval for axis switching when you want to
capture multiple axes data.
• It is recommended for you to repeat the above communication more
than 2 times to confirm the absolute data coincide, in order to avoid
mis-operation due to unexpected noise.
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: [email protected]