如果程序中的附加逻辑应作为线圈条件的一个结果来执行的话,对可使用的那个线圈或–个延续线圈或-一个延续线團/触点组合来说,应采用一内部参考地址。线圈总是处于逻辑线(行)的最右边。一个梯级可以包含多达8个线圈。线圈的类型将根据所需程序作用的类型来采用。当电源为循环加入,或PLC或STOP模式换到RUN模式,则保持线圈的状态便被存贮,而非保持线圈的状态则置零。
WHITE RODGERS 36H22-406 MANIFOLD GAS VALVE
PACIFIC INSTRUMENTS 70A AMPLIFIER 1
HONEYWELL DC300K TEMPERATURE CONTROLLER
EXTRON SW4 RGBHV SWITCHER AUDIO
HP AGILENT E4208A SCSI DISK MODULE
PANASONIC PANADAC610-AC10?0-B INPUT OUTPUT UNIT
BENTLY NEVADA 84137-01 SIGNAL INPUT/RELAY CARD
FNTC902-B-616 886/5L-F POWER SUPPLY
HONEYWELL 7800 S7810 BURNER CONTROL
GE 9T24Y289 TRANSFORMER
YOKOGAWA AB40 SYNCHRO SCOPE
2 YOKOGAWA DB40 DC AMMETER
2 YOKOGAWA AB40 AC AMMETER
2 YOKOGAWA AB40 AC AMMETER 1
YOKOGAWA YEW 21883S AC AMMETER
SABINA ELECTRIC 7407/8407 RELAY & POWER SUPPLY
SABINA ELECTRIC 7406-1 REGULATOR
BENTLY NEVADA 81544-01 SIGNAL INPUT RELAY CARD
P&H 79UI6D2 OFF POSITION BIAS
3 BRAY VALVE & CONTROLS 90-0800 ACTUATOR
2 TENDAMATIC H35122 AD477-X-2 REV1 CIRCUIT BOARD
SQUARE D TW62-D 6715 TAB WELD PLATE RESISTOR