运行(RUNNING):在启动请求发生之后,这个位闭合,通常在输送系统中最后一个电机启动以后。如果你没有输送电机这个梯级会直接闭合。如果你有输送电机或者在系统进入自动循环运行之前你可能要对其它的一些过程做预启动,那么插入最后一个电机的触点或预启动的条件在START_REQ和MCR指令之间,那么必须最后一台电机启动或预启动条件满足以后,运行位(RUNNING)才会闭合。这个运行位用在每一个顺序中来允许顺序启动。 停机请求(STOP_REG):当周期停止按钮被按下,或者有人将机器从自动模式切换到手动模式时,停机请求位闭合。这个位也用在每一个梯级中,当停止请求发出后禁止设备再次启动,当停止位(STOPPED)闭合后,这个梯级被释放。 1747-PT1CC HANDHELD TERMINAL CARRYING CASE 1747-PTA1E MEMORY PAK-ENGLISH 1747-PTA1F MEMORY PAK- FRENCH 1747-PTA1G MEMORY PAK- GERMAN 1747-PTA1I MEMORY PAK- ITALIAN 1747-R21 ENGLISH MEMORY PAK 1747-R21F FRENCH MEMORY PAK 1747-R5 RE**CEMENT PARTS 1747-R7 RE**CEMENT PARTS 1747-RL302 UPGRADE KIT 1747-RL401 UPGRADE KIT 1747-SCNR CONTROLNET SCANNER FOR SLC **TFORM 1747-SDN DEVICENET SCANNER MODULE 1747-SN REMOTE I/O SCANNER MODULE 1756 MFR. PART NUMBER DESCRIPTION 1756-A10 10 SLOT CONTROLLOGIX CHASSIS 1756-A13 13 SLOT CONTROLLOGIC CHASSIS 1756-A17 CHASSIS 17 SLOT CONTROLLOGIX 1756-A4 4 SLOT CONTROLLOGIX CHASIS 1756-A7 7 SLOT CONTROLLOGIX CHASSIS 1756-BA1 LOGIX5000 BATTERY ASSEMBLY 1756-CFM 2 CHANNEL /2 OUT CONFIGURABLE FLOWMETER 1756-CNB CONTROLNET BRIDGE MODULE 1756-CNBR CONTROLNET REDUNDANT BRIDGE MODULE 1756-CP3 LOGIX5000 RS232 PROGRAMMER CABLE 1756-DHRIO 2 CHANNEL DH+ AND/OR RIO SCANNER 1756-DNB DEVICE NET BRIDGE/SCANNER MODULE 1756-DPALEN CONTROLLOGIC SYSTEM DOCUMENTATION SET PRINTED 1756-ENET ETHERNET/IP BRIDGE MODULE 1756-GTWY CONTROLLOGIC GATEWAY CONFIGURATION SOFTWARE