FX2N-16CCL-M CC-Link System Master Block
System Configuration 3
3-4
3.3.2
Scan time of PLC and connection of two or more master blocks
1) Measured scan time
-
Configuration:
[FX
2N
Series PLC main unit]+[FX
2N
-16CCL-M]+[7 remote I/O st[8 remote device
stations]
-
Number of link device points: 110 words
The scan time in the configuration above is 125 ms.
2) Handling when two or more master blocks are connected
Remote I/O stations can be connected only to the first master block.
To the second and later master blocks, only remote device stations (up to 8 stations) can be
connected.
-
Configuration:
[FX
2N
Series PLC main unit]
+[FX
2N
-16CCL-M (first module)]+[7 remote I/O st[8 remote device stations]
+[FX
2N
-16CCL-M (second module)]+[8 remote device stations]
-
Number of link device points: 206 words
The scan time in the configuration above is 233 ms.
3) Caution
If the total scan time in the PLC exceeds 200 ms, a watchdog timer error occurs. In this
case, change the value of the special data register D8000 in the PLC to prolong the
watchdog timer time.
Содержание FX2N-16CCL-M
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