175
3: Three-wire running mode 2
MV600
FWD
REV
COM
SB2
SB1
Xi
K1
Fig. 6-34 Three-wire running mode 2
Where:
SB1: Stop key
SB2: Run key
Xi is the multifunctional input terminal of X1~X8. Its corresponding terminal function shall be defined as
function No. 5 “three-wire running control”.
This function code is used to adjust the change rate of terminal UP/DOWN when setting the frequency.
The interference immunity of terminals X1~X8 can be improved by properly increasing the value of
P09.10. the longer the filtering time of the terminal is, the longer the action delay time for the terminal will
be.
Note
When terminal X7/X8 is used as the common digital input terminal, this filtering time (P09.10) is
enabled; when terminal X7/X8 is used as the high-speed pulse input terminal, the filtering time is P09.14.
When the digital input terminal X7 is used as the high-speed pulse input terminal, the maximum input
pulse frequency can be determined by this function code.
When the digital input terminal X8 is used as the high-speed pulse input terminal, the maximum input
pulse frequency can be determined by this function code.
This function code defines three different central point modes when terminals X7 or X8 is used as the
pulse input.
Unit place: X7 central point selection
0: No central point. As shown in Fig.6-35.
K Running
direction
selection
0 FWD
1 REV
Pulse reference central point selection 00~22（00）P09.13
Maximum input pulse frequency of X8 0.1~100.0kHz (10.0 kHz)P09.12
Maximum input pulse frequency of X7 0.1~100.0kHz (10.0 kHz)P09.11
Terminal filtering time 0~500ms (10ms)P09.10
Terminal UP/DN acceleration/deceleration rate 0.01~99.99Hz/s(1.00)P09.09
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