描述
1756-RM2
在有些行业，FCS是由PLC发展而来的；而在另一些行业，FCS又是由DCS发展而来的，所以FCS与PLC及DCS之间有着千丝万缕的联系，又存在着本质的差异。本文试就PLC、DCS、FCS三大控制系统的特点和差异作一分析，指出它们之间的渊源及发展方向。
（1）从开关量控制发展到顺序控制、运送处理，是从下往上的。（2）连续PID控制等多功能，PID在中断站中。（3）可用一台PC机为主站，多台同型PLC为从站。
（4）也可一台PLC为主站，多台同型PLC为从站，构成PLC网络。这比用PC机作主站方便之处是：有用户编程时，不必知道通信协议，只要按说明书格式写就行。
（5）PLC网格既可作为独立DCS/TDCS，也可作为DCS/TDCS的子系统。（6）大系统同DCS/TDCS，如TDC3000、CENTUMCS、WDPFI、MOD300。
（7）PLC网络如Siemens公司的SINEC—L1、SINEC—H1、S4、S5、S6、S7等，GE公司的GENET、三菱公司的MELSEC—NET、MELSEC—NET/MINI。
（8）主要用于工业过程中的顺序控制，新型PLC也兼有闭环控制功能。（9）制造商：GOULD（美）、AB（美）、GE（美）、OMRON（日）、MITSUBISHI（日）、Siemens（德）等。
产品承诺：
保 证 全新原装进口,
保 证 安全准时发货，
保 证售后服务质量，
优势价格，大量现货。
主营DCS系统配件
机器人系统配件
大型伺服系统配件
品牌：ABB ,AB ,GE,FOXBORO,本特利，英维思，伍德沃德，西屋，瑞恩，施耐德，西门子，摩托罗拉，安川。力士乐。ACSO，横河等进口品牌。 专业销售进口DCS PLC系统备件模块
Triconex Siemens Yaskawa ABB GE Ovation AB Foxboro Motorola Schneider XYCOM KUKA 专业销售进口DCS PLC系统备件模块 15天包退换 一年质保 大量现货 国内实力库存商家
Brad Harrison 409P403 Interconnect System NEW
One-day shipping available
BRAD HARRISON 413P411 NSPP 413P411
BRAD HARRISON 409P601 NSFP 409P601
Brad Harrison DN4100 Multi-Port Interconnect System
One-day shipping available
BRAD HARRISON DN6000 USPP DN6000
NEW Brad Harrison / Woodhead 1R3D06A25A120 LOT OF 10
NEW Brad Harrison / Woodhead 1R5004A24F030 LOT OF 10
NEW (2) BRAD HARRISON 208000A04M050 5M MPSI / 8P FEMALE
BRAD HARRISON 331020A01F200 NEW CORDSET 20′
Brad Harrison 3R9004A20A120 9P Female Straight 3pc lot
EK-809 BRAD HARRISON 41307-90+ MINI CHANGE CORDSET 22+
BRAD HARRISON 116020A01F300 NSFP 116020A01F300
BRAD HARRISON 4002 NSFP 4002
*NEW* BRAD HARRISON Interconnect System 410P601 MPIS
One-day shipping available
BRAD HARRISON BTY801P-FBB NSFP BTY801PFBB
BRAD HARRISON 47578-050 NSFP 47578050
BRAD HARRISON 47578-100 NSFP 47578100
4101 NEW Brad Harrison 803J602 6-Port DC Micro MPIS
BRAD HARRISON 803P801 NSFP 803P801
BRAD HARRISON 803P-802 NSFP 803P802
BRAD HARRISON 702P605-16 NSFP 702P60516
BRAD HARRISON 803P890 NSFP 803P890
BRAD HARRISON 413P401 NSFP 413P401
BRAD HARRISON BTY497P-FBP NSFP BTY497PFBP
BRAD HARRISON DN11A-M270 DNET 5P MINI M/ST F/ST 27M NEW
BRAD HARRISON 409P601 NSPP 409P601
BRAD HARRISON 227020A01F400 NSFP 227020A01F400
BRAD HARRISON 228020A01F300 NSFP 228020A01F300
BRAD HARRISON BTY801P-FBE05 NSFP BTY801PFBE05
BRAD HARRISON 34109 USPP 34109
Brad Harrison 702P801 Multiport Interconnect System
BRAD HARRISON 409P601 MULTIPORT INTERCONNECT SYSTEM NEW
Brad Harrison 331020A01F120
NEW BRAD HARRISON 47330 MINI-CHANGE EXTENSION 25FT
Expedited shipping available
BRAD HARRISON 35601 USPP 35601
Brad Harrison 5 Port Connector 5PortConnector USED
One-day shipping available
BRAD HARRISON 410P401 NSFP 410P401
BRAD HARRISON ANGLED SAFETY PLUG 43321 ~ NEW
BRAD HARRISON 331020A01F200 NSFP 331020A01F200
BRAD HARRISON 332020A01F120 NSFP 332020A01F120
BRAD HARRISON 302000A01F200 NSFP 302000A01F200
BRAD HARRISON 712P401 NSFP 712P401
BRAD HARRISON BTG498P-FBP-05 NSFP BTG498PFBP05
BRAD HARRISON 47522 NSFP 47522
BRAD HARRISON BTY497P-FBP NSPP BTY497PFBP
NEW BRAD HARRISON CABLE 116020K13F300 MINI CHANGE 30′
BRAD HARRISON 47210 NSFP 47210
BRAD HARRISON BTY801P-FBE05 NSPP BTY801PFBE05
BRAD HARRISON 409P601 USPP 409P601
BRAD HARRISON 42820+ MINI-CHANGE EXTENSION 12FT
NIB BRAD HARRISON DN2100 DEVICENET MPIS
Expedited shipping available
BRAD HARRISON 42895 MINI-CHANGE 7P FEMALE 40′ CORDSET
12′ BRAD HARRISON 35610 12P CONTROL CONNECTOR MALE PLUG
12′ BRAD HARRISON 34713 9P CONTROL CONNECTOR MALE PLUG
Woohhead BRAD HARRISON 410P801 MULTIPORT INTERCONNECT
BRAD HARRISON 116020A01F300 MINI-CHANGE CORDSET 6P NEW
One-day shipping available
BRAD HARRISON 332121B04M100 MINI 12p CORDSET * NEW
BRAD HARRISON DN11A-M240 DNET 5P MINI M/ST F/ST 24M NEW
BRAD HARRISON CC4030A48M040 4P POWER QC M/F/ST 4M NEW
(18) NOS WOODHEAD BRAD HARRISON JUMPERS G85000E12M006
BRAD HARRISON 47249 USPP 47249
BRAD HARRISON 47459SS NSFP 47459SS
BRAD HARRISON 884030C02M180 NSFP 884030C02M180
Brad Harrison Miro Change 4 port distribution box 20m
BRAD HARRISON DNF11A-M240 DNET 5P MINI M/F/ST 24M NEW
BRAD HARRISON CC4030A47M030 NSFP CC4030A47M030
BRAD HARRISON 332020A01F120 NSPP 332020A01F120
Brad Harrison 409P494 Interconnect System USED
One-day shipping available
BRAD HARRISON 712P401 NSPP 712P401
BRAD HARRISON BTY801P-FBB USPP BTY801PFBB
Brad Harrison 409P495 Interconnect System USED
One-day shipping available
BRAD HARRISON 803N801 USPP 803N801
BRAD HARRISON 803P-802 USPP 803P802
BRAD HARRISON BTG498-FBP NSFP BTG498FBP
BRAD HARRISON 331020A01F120 NSFP 331020A01F120
BRAD HARRISON Multi-Port Interconnect System 410P601
One-day shipping available
712P401 NIB BRAD HARRISON MULTI-PORT INTERCONNECT
BRAD HARRISON 712P401 MULTI-PORT INTERCONNECT NIB
BRAD HARRISON 1301470025 NSFP 1301470025
BRAD HARRISON 3095B100 NSFP 3095B100
BRAD HARRISON CC4030A47M030 NSPP CC4030A47M030
BRAD HARRISON 410P401 USPP 410P401
NEW Brad Harrison / Woodhead 47212
3 NEW BRAD HARRISON MULTI-PORT CONNECTORS BTY8010-FBB
Brad Harrison 331021A01F120
CABLE JUNCTION WOODHEAD BRAD HARRISON 332121B04M030
BRAD HARRISON CC4030A48M040 4P BRAD POWER QC M/F/ST 4M
NOS! BRAD HARRISON CONTROL CONNECTOR CORDSET 65006
Brad Harrison 409P401 Interconnect System NEW
BRAD HARRISON DN4000 MPIS 4PORT DEVICENET JUNCTION. NEW
NEW BRAD HARRISON 302000A01F200 CORD SET 20FT
BRAD HARRISON BM5G72PP1M010 NSFP BM5G72PP1M010
BRAD HARRISON 803N601 NSFP 803N601
BRAD HARRISON CABLE CORD 884030K03M010 ~ QTY X 6 New
BRAD HARRISON 34766 NSFP 34766
BRAD HARRISON 47057 NSFP 47057
BRAD HARRISON 115020C04F200 NSFP 115020C04F200
BRAD HARRISON 302101A04M100 NSFP 302101A04M100
BRAD HARRISON 409P403 NSFP 409P403
专业销售进口DCS PLC系统备件模块
PLC模块，可编程控制器，CPU模块，IO模块，AI模块，通讯模块。AB/施耐德/ABB/GE/本特利/西屋/英维斯/霍尼韦尔/黑马/FU克斯波罗
15天包退换 一年质保 大量现货 国内实力库存商家
18150087953 点击拨打电话联系我们