Delta Electronics AH500, Руководство пользователя

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C h a p t e r 1 0 H i g h - s p e e d C o u n t e r s a n d H i g h - s p e e d Ti m e r s

C204: Users can select a mode of counting by setting SM204 and SM205. Input signals are
controlled by X0.10 and X0.11. If SM207 is ON, the function of resetting C204 will be
enabled. Resetting signals are controlled by X0.1.
Reset ti ng C204
Counting pul ses
Counting pul ses
Present value in C204
C204
Pulse
U
A
B
Dir
D
SM205/ SM204: Mode of c ount ing
X0.11
X0.10
SM207=1, X0. 1

C208: Users can select a mode of counting by setting SM208 and SM209. Input signals are
controlled by X0.12 and X0.13. If SM211 is ON, the function of resetting C208 will be
enabled. Resetting signals are controlled by X0.2. C216 counts with C208. It is the first
virtual counter.
Resetti ng C208 (C 216)
Counting pul ses
Counting pul ses
Present value in C208 (C216)
C208(C216)
Pulse
U
A
B
Dir
D
SM209/ SM208: Mode of counting
X0.13
X0.12
SM211=1, X0. 2

C212: Users can select a mode of counting by setting SM212 and SM213. Input signals are
controlled by X0.14 and X0.15. If SM215 is ON, the function of resetting C212 will be
enabled. Resetting signals are controlled by X0.3. C220 counts with C212. It is the second
virtual counter.
Reset ti ng C212 (C 220)
Counting pulses
Counting pulses
Present value in C212 (C220)
C212(C220)
Pulse
U
A
B
Dir
D
SM213/ SM212: Mode of counti ng
X0.15
X0.14
SM215=1, X0. 3
2. If a power cut occurs when a general counter counts, the present value of the counter will be
cleared.
3. If a counter counts up from the present value 2,147,483,647, the next value following
2,147,483,647 will be -2,147,483,648. If a counter counts down from the present value
-2,147,483,648, the next value following -2,147,483,648 will be 2,147,483,647.
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