MELSEC-A
3. SPECIFICATIONS
3 - 16
3.8 Data Link Processing Times
In the high-speed counter module, it takes data link processing time described in this
section to execute each function. For link scan time, refer to the user's manual for
the master module used. As an example, this section explains processing times at *1
to *4 in a coincidence output operation. (The master module is the QJ61BT11 in
asynchronous mode.)
OFF
ON
103102101100
9998
to
210
2)
3)
1)100
*4
4)
Count enable command
{RY(n+1)4(RY(n+1)B)}
Coincidence signal enable command
{RY(n+1)2(RY(n+1)9)}
Input pulse for counter
Coincidence output point No. 1
setting area
{Addresses RWwm+3 to 4
(RWwm+B to C)}
Counter value less (point No. 1)
{RXn2(RXn6)}
Counter value coincidence
(point No. 1)
{RXn1(RXn5)}
Point No. 1 coincidence signal
reset command
{RY(n+1)0(RY(n+1)7)}
Counter value greater (point No. 1)
{RXn0(RXn4)}
Present value storage area
{Addresses RWrn+0 to 1 (RWrn+8 to 9)}
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
*1
*2
*3
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