Fuji Electric ALPHA7, User Manual

Page: 119 / 662

CHAPTER 2 WIRING
2-72
Description of I/O Signals
2
<Logic of broadcast cancel signals>
Broadcast cancel Broadcast Uni-cast
No allocation Enabled
Enabled
OFF Enabled
ON
Disabled
Cancels the queries of broadcast,
without responding.
 Relevant descriptions
<Signal switching timing>
1) When switching the broadcast cancellation status between ON and OFF using the CONT
signals (CONT9 to 24) via communications, see "13.5.2 Communications timings" on page 13-33
The timing is determined based on the standard communications timing. There is no individual
timing prepared for the broadcast cancel.
2) When switching the broadcast cancel status between ON and OFF by using the CONT signals
(CONT 1 to 5) by hard signals, see the chart below. Switch the ON and OFF of broadcast cancel
under the following conditions:
(1) T1 or longer duration has elapsed after the timing the query is issued (end of telegraph), and
(2) within 2 ms before the timing the query is issued (top of telegraph).
The value "T1" corresponds to the parameter PA2_73 (Communication baud rate), and is
provided as in the table below.
PA2_73: Communication baud rate T1
0 ： 38400 bps
5 ms
1
：
19200 bps
10 ms
2
：
9600 bps
3 ： 115200 bps 1.7 ms
Master ：
Amplifier
：
Query
T1
Broadcast query
Query
Query
Broadcast cancel
2 ms
Signal ON/OFF timing
T1
OFF
This query is canceled.
2 ms