为 PID 输出负限幅 如果 PID 块为自动模式，后的 CV 值存放在手动命令字%Ref+13 中。如果 PID 块为手动模式,CV 值由手动命令设定，但是所有的比率和限幅值仍然起作 用。这意味着，手动命令不能令 CV 值大于正限幅值，小于正限幅值，也不能 令 CV 变化率大于小回转时间设定的比率.

VICKERS PA5DG4S4LW-012N?-H-61-S471 4-WAY DIRECTIONAL CON

SENSUS, 243-8, REGULATOR, 1 1/4″ NPT,GREEN-BLACK SPRING

ALLEN-BRADLEY PRESSURE CONTROL SWITCH, 836T-T352JX21X1?5

CARRIER KC-21AH-105, CONDENSER BRUSH, 3/4″ DIA, 63.5 MM

CONSOLIDATED BEARINGS, 32312, TAPERED BEARING, 130 MM O

PINNACLE Model MG 53-005-AB MicroGUARD SMART CONTROLLER

ECA ELECTRI-CABLE ASSEMBLIES E164157 VILLA FLUSHTABLE O

DevilBiss EPS-4324 PCB, NIB

HEISE HPO, TRANSDUCER, 10000 PSI, 20/40 VDC, 1/4″ NPT,

INGERSOLL-RAND 300S826 100 PSI 6.8 BAR AIR VALVE ASSEMB

EVERPURE, EV961266, 2K WATER FILTER CARTRIDGE, 125 PSI,

SUNX, GD-20, SENSOR DOUBLE HEAD, 70 MM RANGE, NIB

SQUARE D 9001KYK111 CONTROL STATION SER B, 10 AMPS, 600

VOGEL DM7 GEAR PUMP MOTOR, 70W, 0.52/0.30 A, 2700/3200

VICKERS DG5S-8-6C-T-M-F?W-B5-30, DIRECTIONAL VALVE, 1/2″

GOULD MODICON ANALOG INPUT MODULE B875-011 REV B REPA