1771-NC6+1771-NC6+停产备件

1771-NC6
1771-NC6
1771-NC6

对 I/O 响应时间的选择

PLC 的 I/O 响应时间包括输入电路延迟、输出电路延迟和扫描工作方式引起的时间延迟（一般在 2 ～ 3 个扫描周期）等。对开关量控制的系统， PLC 和 I/O 响应时间一般都能满足实际工程的要求，可不必考虑 I/O 响应问题。但对模拟量控制的系统、特别是闭环系统就要考虑这个问题。

MOORE 42V 4-20MA 0-100 PSIG PRESSURE TRANSMITTER, 341GE

KB ELECTRONICS 120V 250A AC MOTOR FAN SPEED CONTROL KB

SQUARE D 600V 335A 2-POLE POWER DISTRIBUTION BLOCK 9080

ALLEN BRADLEY 60A, 600V TRAILER FUSE BLOCK 1494V-FS60 S

EMERSON 7G-23521-A1P 240 VAC 24 VDC GO SWITCH

BUSSMANN 200A 600VAC LOW PEAK DUAL ELEMENT TIME DELAY F

ASCO 125/100PSI, 1/4"NPT, 110/120V, 50/60HZ, 11W SOLENO

FUJI SA33BUL BB3ASBUL-030 3P 30A AUTO BREAKER, NIB

TOTALINE 03-10 MIN DELAY ON BREAK TIME DELAY RELAY P28

GE SPECTRA RMS 3-POLE 400A 600VAC MAG-BREAK CIRCUIT BRE

NUMATICS 150PSIG-AIR, 100-115/110-120V, 006A, SOLENOID

BANNER 20-250V AC OPPOSED MODE SENSOR S183EQ1

GENERAL ELECTRIC DE361R FLEX-A-PLUG PLUG-IN DEVICE BUS

APPLETON FS-1-50 MALL IRON FS-FD CAST DEVICE BOX, NIB

VALMONT ELECTRIC 8G3651W BONUS LINE BALLAST NIB

GENERAL ELECTRIC 080B20D CONTACT BLOCKS LOT OF 12

FUJI BU-ECA2005 2 POLE 5 Amp CIRCUIT BREAKER, NIB