Fuji Electric Faldic-a RYS-R Series - System Parameter 78; Command Code, Command Pulse; Forward Pulse, Reverse Pulse

6-38
MHT260a (Engl.)
(8) System parameter 78［Basic type, SX bus, T-link］
Para. Name Setting range Initial value Change
78 Pulse train input form 0 : Command code, command pulse
1: Forward pulse, reverse pulse
2: Two 90° phase-different signal
1 Power
The pulse form of pulse train input terminal can be selected.
The pulse form of pulse train input terminal [CA], [*CA], [CB], [*CB] can be selected. The maximum input frequency is 500 [kHz].
■ Command code, command pulse (system para. 78 setting : 0)
The command pulse indicates rotational quantity and the command code indicates rotational direction.
t
1
t
2
t
3
t
4
Pulse level : t
1
＞ 1.25 μ s
Pulse cycle : t
2
≧ 2.5 μs
Before sign change : t
3
＞ 1.25 μ s
After sign change : t
4
≧ 1.25 μ s
Command code
[CB]
Command pulse
[CA]
■ Forward pulse, reverse pulse (system para. 78 setting : 1)
Forward pulse indicates forward direction, reverse pulse indicates the reverse direction.
t
5
t
6
t
7
Reverse pulse
[CB]
Forward pulse
[CA]
Pulse level : t
5
＞ 1.25 μ s
Pulse cycle : t
6
≧ 2.5 μ s
Edge interval : t
7
＞ 1.25 μ s
Command pulse
[CA]
C
omman
d
co
d
e
[CB]
Pulse level : t
1
＞ 1.25μs
Pulse cycle : t
2
≧ 2.5 μs
Edge interval : t
7
＞ 1.25μs
Pulse level : t
5
＞ 1.25μs
Pulse cycle : t
6
≧ 2.5μs
Reverse pulse
[CB]
Forward pulse
[CA]
Before sign change : t
3
＞ 1.25μs
A
fter sign change : t
4
≧ 1.25μs