Mitsubishi Electric AJ65BT-D62 User Manual

MELSEC-A
9. SELECTING AND EXECUTING THE COUNTER FUNCTION
9 - 1
9. SELECTING AND EXECUTING THE COUNTER FUNCTION
9.1 Selecting the Counter Function
Select and execute one of the following four counter functions.
Execute the selected function by switching on the counter function selection start
command or by applying a voltage to the external F.START terminal.
1) Count disable function ....................... Refer to Section 9.2
Inputs the signal while the count enable command is ON to stop pulse counting.
ON
OFF
Signal
Pulse in
p
ut
Present value storage area
{Addresses RWrn+0 to 1 (RWrn+8 to 9)}
2) Latch counter function ....................... Refer to Section 9.3
Latches the present value of the counter at the input of the signal.
20
100
20
50
100
ON
OFF
Signal
50
Latch count value storage area
{Addresses RWrn+2 to 3 (RWrn+A to B)}
Current value storage area
{Addresses RWrn+0 to 1
(RWrn+8 to 9)}
3) Sampling counter function ................. Refer to Section 9.4
Counts pulses entered during a preset time (T) which begins with the input of the
signal.
TT T
0
TT T
ON
OFF
Siglnal
Sampling count value storage area
{Addresses RWrn+2 to 3(RWrn+A to B)}
Current value storage area
{Addresses RWrn+0 to 1
(
RWrn+8 to 9
)}
4) Periodic pulse counter function ......... Refer to Section 9.5
Stores the present and previous counter values at preset intervals (T) while the
signal is entered.
T
0
TTT
100
40
80
0
00
100
40
0
0
100
40
80
TTTT
Previous value
Present value
0
ON
OFF
Signal
Periodic pulse count previous,
present value storage areas
{Addresses RWrn+2 to 3(RWrn+A to B)}
{Addresses RWrn+4 to 5(RWrn+C to D)}
Current value storage area
{Addresses RWrn+0 to 1
(RWrn+8 to 9)}
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Mitsubishi Electric AJ65BT-D62 Specifications

General

Brand	Mitsubishi Electric
Model	AJ65BT-D62
Category	Control Unit
Language	English