DI820

Description

这一点尤为重要。在自动控制系统设计之初，就应该对控制点数（数字量及模拟量）有一个准确的统计，这往往是选择PLC的首要条件，一般选择比控制点数多10%~30%的PLC。这有几方面的考虑：

1、可以弥补设计过程中遗漏的点；

2、能够保证在运行过程中个别点有故障时，可以有替代点；

3、将来增加点数的需要。

工作环境是PLC工作的硬性指标。自控系统将人们从繁忙的工作和恶劣的环境中解脱出来，就要求自控系统能够适应复杂的环境，诸如温度、湿度、噪音、信号屏蔽、工作电压等，各款PLC不尽相同。一定要选择适应实际工作环境的产品。

Toshiba VT130G2U2055, 5.5kva, 5hp, Tosvert-130G2 NEW

Indramat TDM1.4-050-300-​W1 AC Servo Controller

Allen-Bradley 8000-IOABZ circuit board 30 day return

Square D, PQ3620G, 200A bus plug, 600v, I line, Rebuilt

IDC electric cylinder N2D-20-5B-8-MS6​-FT1-BS115 NEW

Infrared Engineering MM55 BH head Repaired

Teca AHP-1400 air Conditioner 120v, 0-B480-0-000, NEW

Mitsubishi FR-Z240-2.2K-UL Freqrol-Z200 drive, 3HP,USED

Telemecanique VW3A45101, S178, Module NEW

TPI Test Products 10-850-0005, 18RA117778, 410686711

KEB Combivert 2,2kw AC drive, 440/460v, Repaired

TOPAZ 68100-05 1KVA,220/240v 50HZ power conditioner NEW

Copeland Compressor KATA-0150-TAD

Vickers 4520V-60A5,1AA1​2-180-K0CCJV Hydraulic Vane Pump

Square D SY/MAX 8020 TYPE SMM-710 series E 700 Memory

Siemens 6ES5 470-7LA12, Analog Output 2-20mA,

Motoman 137075-1, 132142-2, JANCD MMM02 Memory NEW

Topaz PowerMaker Mirco II UPS 84864-52NN 120v, NEW

Gould Modicon AS-4863-025 SW pack boards (Controller)

ARO 666101-433-BC 1″ Diaphragm pump Rebuilt

SCM MY1B63G-1000-Y6​9BL rodless Air Cylinder NEW

Sti 43531-0360, 43530-0360 36″ light curtain set New

2″ 316 SS ball valve with 32EX6 electric actuactor

Bussmann ENF602-3PB611,6​0A DISCONNECT, TYPE 3R NEW

Bussmann ENF603-3PB611,6​0A DISCONNECT, TYPE 3R,12 NEW