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

(8) System parameter 78［Basic type, SX bus, T-link］
Para. Name
78 Pulse train input form
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.
Command pulse Command pulse
[CA]
[CA]
Command code
Command code
[CB]
[CB]
Pulse level : t Pulse level : t
Pulse cycle : t
Pulse cycle : t
■ Forward pulse, reverse pulse (system para. 78 setting : 1)
Forward pulse indicates forward direction, reverse pulse indicates the reverse direction.
Forward pulse
Forward pulse
[CA] [CA]
Reverse pulse Reverse pulse
[CB] [CB]
Pulse level : t
Pulse level : t
Pulse cycle : t
Pulse cycle : t
Setting range

0 : Command code, command pulse

1: Forward pulse, reverse pulse

2: Two 90° phase-different signal
t
1
t
2
＞ 1.25μs ＞ 1.25μs
1
1
≧ 2.5 μs
≧ 2.5 μs
2
2
t
5
t
6
＞ 1.25μs
＞ 1.25μs
5
5
≧ 2.5μs
≧ 2.5μs
6
6
Initial value
1
t t
3 4
Before sign change : t Before sign change : t ＞ 1.25μs ＞ 1.25μs
3
3
After sign change : t ≧ 1.25μs
After sign change : t ≧ 1.25μs
4
4
t
7
Edge interval : t ＞ 1.25μs
Edge interval : t ＞ 1.25μs
7
7
6-38
Change
Power
MHT260a (Engl.)