来自编程器的保护级别请求连接 CPU 时, 编程软件自动请求 CPU 为高非保护级别。因此编程器可以进 入高非保护级，无须请求任何专门保护级。 权限等级可以改变到更低或更高级别。通过编程器输入新的级别和正确的密 码改变权限等级级。如果输入了错误的密码，权限等级改变将被拒绝，且 PLC 故障表中记录故障。无密码保护的权限等级改变请求可通过提供新级别 和空密码实现。
Superior Electric DRF003 Driver Card DRF-003
Superior Electric IDF008 Control Card IDF-008
Yokogawa Juxta H8D07226 Analog Transmitter FQ2V-21*A
Beloit 315-0621-0013-0-001 MIM Board 315062100130001
Danaher / Eagle Signal HP79A6 Timer 120/240Vac 10HR
Day-Brite Lighting LBN400MMT High-Low Bay Ballast
CUTLER-HAMMER SERIES C EHD3015L CIRCUIT BREAKER NIB
Honeywell MOD301 Tripple Channel Modulator
Reliance Electric 14C229 Master Isolated Ref Receiver
Rosemount 0183P13J2N00N045E5 Sensor 0183*6632742
Rosemount 0183P13J2N00N040E5 Sensor 0183*6740184
CUTLER-HAMMER SERIES C EHD3615L CIRCUIT BREAKER NIB
POTTER & BRUMFIELD CHB-38-30011 RELAY- DPDT 10A, 24 VAC
Moore Industries SPT/TPRG/PRG/U Programmable Transmitte
RCI 8330/8340 MultiMag Electromagnetic Locks 12/24 VDC
Omron C200H-0D212 CARD-16 BIT OUTPUT C200H0D212
