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7.3. RS-232C Communication
7.3.4. Daisy Chain Communication
7.3.4. Daisy Chain Communication
l Daisy-chain communication allows multiple Driver Units (up to 16 units) to be connected with a
single RS-232C terminal and a cable set.
Figure 7-53
7.3.4.1. Procedure to Set Daisy Chain Communication
Figure 7-54: Daisy chain communication setting procedure
· Order of connection
· Initial setting
· Cable state
Terminal
Driver Unit
Driver Unit
#0
Operation procedure
Power on
Initial setting
Power off
Daisy-chain
connection
Power on again
Recheck
NG
Connection
state check
Daisy-chain
communication start
RS-232C Cable
Driver Unit
#1
#2
¬ AN parameter
CM parameter
¬ AS command
(executed automatically)
OK
— 7-66 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
2
3
t
y
p
e
2
5
t
y
p
2
3
t
y
p
e
2
5
t
y
p
Driver Unit
~
#15
e
e
e
e
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