一个特权级的改变只有在PLC与编程器之间的通讯良好的情况下才有效。不需要任何操作,但通讯联接必须不问断。如果通讯间断+五分钟特权保护级将回到最高非保护级。对于PLC的联接,Logicmaster 90编程器从PLC中请求每–个特权级的保护状态,然后,要求PLC移到最高非保护级,因而允许编程器进人最高非保护级,无须请求任何专门保护级。当便携式编程器与PLC联接,PLC将返回到最高非保护级。
Rexroth 08223912XX/H15 K503692 Pneumatic Cylinder
National Electronics NL-1092 Ignitron
Simco PFC20 4005184 PulseFlow Controller 100-115VAC 50/
Malcom IP-5A-1 6095035 Paste Dispenser
Lot of 11 Panasonic 610-I8N Input Module 24VDC
Fabco-Air THP3X2FFA-AS-K-?MR-V Pneumatic Cylinder W/ Dia
SIEMENS SLMB Q2150X100
Warner Electric EC-650 Clutch Assembly 90VDC 1 3/8 Bor
BOSCH CLI00 & CLI00-E PLC
2 Pioneer BE-3110/KUW Multimode Encoder BE-3110
Tyco Touchscreen ET1580L-8CWE-1-?RCOL-G
Allen-Bradley 1761-L32BBB PLC
IBM Juki E8603780 OBO expansion board
IBM Juki E8603780 OAO expansion board
Simco AEROSTAT 4002612 XC Ionizing Air Blower
Leader LVS-5851A Vectorscope
Sony PVM-8041Q Color Video Monitor
Genrad 9009-0460-00[B]
Genrd 9009-0460-00 [A]
OTARI PB-4LAB Board
8 HoneyWell GIAC20C Micro Switch Sensing and Control
Pro Television PM5695A TV Monitoring Demodulator
Arcom Control Systems SCB34 Board
