在多臺單機組成的自動線上，有在總操作臺上的集中控制和在單機操作臺上分散控制的聯鎖。集中與分散控制的梯形圖如圖所示。x2為選擇開關，以其觸點為集中控制與分散控制的聯鎖觸點。當 X2為ON時，為單機分散起動控制；當x2為OFF時,為集中總起動控制。在兩種情況下，單機和總操作臺都可以發出停止命令。

應用限制：
1）不能直接調用帶參數的例行程序。
2）所有被調用的例行程序名稱的第一部分必須相同，如proc1，proc2，proc3等。
3）使用CallByVar指令，就可以通過PLC輸入數字編號來調用對應不同軌跡例行程序，這樣給程序擴展帶來了極大的方便。

伺服備件6FC5357-0BB15-0AA0
伺服備件6FC5357-0BB21-0AE1
伺服備件6FC5357-0BB23-0AA0
伺服備件6FC5357-0BB23-0AA1
伺服備件6FC5357-0BB31-0AE0
伺服備件6FC5357-0BB33-0AA0
伺服備件6FC5357-0BB33-0AE3
伺服備件6FC5357-0BB52-0AE0
伺服備件6FC5357-0BB53-0AE1
伺服備件6FC5357-0BA11-0AE0
伺服備件6FC5357-0BA11-1AE0
伺服備件6FC5357-0BA20-0AE0
伺服備件6FC5357-0BA20-1AE0
伺服備件6FC5357-0BA21-0AE0
伺服備件6FC5357-0BA24-0AE0
伺服備件6FC5357-0BA24-1AE0
伺服備件6FC5357-0BA31-0AE0
伺服備件6FC5357-0BA31-1AE0
伺服備件6FC5357-0BA32-1AE0
伺服備件6FC5357-0BA33-0AE0
伺服備件6FC5357-0BA33-1AE0
伺服備件6FC5357-0BY20-0AE0
伺服備件6FC5357-0BH00-0XE0
伺服備件6FC5357-0BH00-0XE1
伺服備件6FC5357-0BY21-1AE0
伺服備件6FC5357-0BY21-1AE1
伺服備件6FC5357-0BY24-0AE0 
伺服備件6FC5357-0BY24-1AE0
伺服備件6FC5357-0BY30-0AE0
伺服備件6FC5357-0BY31-0AE0
伺服備件6FC5357-0BY31-1AE0
伺服備件6FC5357-0BY32-0AE1
伺服備件6FC5357-0BY32-1AE0
伺服備件6FC5357-0BY33-0AE0
伺服備件6FC5357-0BY33-1AE0
伺服備件6FC5210-0AA00-0AA0
伺服備件6FC5210-0AD21-0AA0
伺服備件6FC5210-0DA00-0AA0
伺服備件6FC5210-0DA00-1AA0
伺服備件6FC5210-0DA00-1AA1
伺服備件6FC5210-0DA10-0AA0
伺服備件6FC5210-0DA11-0AA0
伺服備件6FC5210-0DA20-0AA0
伺服備件6FC5210-0DA20-0AA1
伺服備件6FC5210-0DA20-1AA0
伺服備件6FC5210-0DA20-1AA1
伺服備件6FC5210-0DA20-1AA2
伺服備件6FC5210-0DA20-2AA1