140XTS00100
140XTS00100
140XTS00100
1、梯形图语言（LD）
梯形图语言是PLC程序设计中常用的编程语言。它是与继电器线路类似的一种编程语言。由于电气设计人员对继电器控制较为熟悉，因此，梯形图编程语言得到了广泛的欢迎和应用。
梯形图编程语言的特点是：与电气操作原理图相对应，具有直观性和对应性；与原有继电器控制相一致，电气设计人员易于掌握。
梯形图编程语言与原有的继电器控制的不同点是，梯形图中的能流不是实际意义的电流，内部的继电器也不是实际存在的继电器，应用时，需要与原有继电器控制的概念区别对待。
图1是典型的交流异步电动机直接启动控制电路图。图2是采用PLC控制的程序梯形图。
【】 【诚信】 【创新】 【合作】 【共赢】
厦门泰尼电气有限公司
【产品质量】原装进口
【检测标准】按原厂标准
【产品质保】 1 年
【快递时间】24 小时 到【联系我们】
＆ 业务经理 ： 小黄
＆ 洽谈电话 ： /
＆ 商务 QQ ： 2917675397
＆ 传真（FAX)： （请注明，01006 收）
＆ 公司全称 ：
厦门泰尼电气有限公司
＆ 公司地址 ：
厦门市海沧区海沧街道滨湖一里1号楼
AT&T/Lucent/Avaya Legend 007 MLM 6 Internal Voice Mail
Lucent Avaya ACS Phone System Small
Avaya Lucent Definity ATM Interface TN2305B HV1 NEW
Avaya Lucent Definity TN464HP DS1 PRI Card
Lucent Avaya P333R-LB 24
Avaya Lucent Partner ACS R8 Phone System 4 Phones
Avaya / Lucent 700013048 CAJUN 80 Series Sup Module
LUCENT 6408D+ AVAYA DEFINITY SYSTEM PHONE
AVAYA LUCENT DEFINITY 302D CONSOLE GRAY REFURBISHED
Avaya Lucent Definity 302D
Avaya Lucent Sync Splitter Electrical 401A 108508078
Avaya Lucent Adapter Sync Splitter 403A 108508102
Avaya Lucent Partner Messaging R1.0 mod w/ 2 port
Avaya Lucent Definity 120A6 CSU Data Unit
Avaya Lucent Business Phone System MLX
700201676 AVAYA LUCENT P334T 48 PORT 10/100 - FS
Avaya/Lucent Definity TN801B, V5, MAPD Platform
Avaya/Lucent Definity - 24-port TN2224
Lucent Avaya Merlin Legend 007 MLM (6 Port) 90 DAY WARR
Lucent / Avaya TransTalk 9040 Wireless Phone
ATT-Avaya Lucent Merlin Magix Legend 400 E&M Tie Line M
AVAYA LUCENT PARTNER DEFINITY IP OFFICE PHONE HANDSET
LUCENT 6408D+ AVAYA DEFINITY SYSTEM PHONE
Avaya / Lucent TN2464BP DS1 Interface Circuit Pack
New R7 AT&T Lucent Avaya Partner ACS Processor 5 X 9
AVAYA/LUCENT PARTNER ACS, 6-18D PHONES, UPS & MORE!
Lucent Avaya Cajun M8024R-100TX P880 P882 520-0072 L3
Lucent Avaya Definity DS1 Interface Circuit Pack TN2464
OCTEL 250 - 0250 PHONE SYSTEM 250 ~ AVAYA ~ LUCENT
Avaya 250 Watt Paging Amplifier LU250WAMP Bogen lucent
Avaya AT&T Lucent Merlin II Power Unit 346A PU
LUCENT AVAYA CAJUN M8008R-1000GB 8-port GBIC
Lucent / Avaya TransTalk 9031 Wireless Phone
Avaya Lucent ACS 6.0 Partner Business Phone System AT&T
Avaya Lucent Partner Messaging with 4 Port License
Module 700262058 (539C11) & Software 700262462 (515BC)
Lucent Avaya ACS Phone System Small Business Start-up
Avaya Lucent Definity Cabinets Lot of 4 Free Shipping
2x Avaya/Lucent - TN2303AP IP Media Processor HV18 HV3
New R7 AT&T Lucent Avaya Partner ACS Processor 5 X 9
Lucent Avaya TN2224CP TN 2224 CP Digital Line
Lucent Partner Phone 400E 206E 5 Slot Module Carrier
Avaya Lucent Partner Advanced Communication System
Avaya Lucent MAP 40P Intuity Audix
3x Avaya/Lucent - TN2147C 8-Port CO Trunk Card
New AT&T Lucent Avaya Partner ACS 7.0 R7 Not Norstar
AT&T AVAYA LUCENT MERLIN LEGEND PHONE SYSTEM LOADED
AT&T Lucent Avaya 21D-U S1:1 OLIU DDM2000 OPT LN INT
Avaya / Lucent 70+ BAD Phones for Parts or Repair AS IS
LUCENT AVAYA G250-BRI BRANCH OFFICE MEDIA GATEWAY NEW
Avaya Lucent AT&T Announcement TN750 V7
Lucent / Avaya Definity 6408D Phone Package - 10 Phones
Avaya Lucent AT&T Call Class-Det TN744D V1
AVAYA LUCENT PARTNER ACS 103G REV 6
Lucent Avaya Definity 6424D+M Refurbished 1Yr Warnty
Avaya Lucent TN2793B 24-Port Analog Circuit Pack
AT&T Lucent Avaya module cards
Lucent Avaya Definity TN2214 Digital Line 24P Card V4
Lucent / Avaya Merlin 410 Control Unit / Processor
Lucent Avaya 008 MLX Merlin Legend 517A21
Avaya Lucent AT&T TN799C CLan OOS Used
Avaya Lucent AT&T Definity TN2305 ATM Card
AVAYA BOGEN LUCENT call stacker for paging system 3800
Lucent Avaya PSAX PacketStar 1000 Loaded
Avaya Lucent M4648ML-T-Pwr I/O module 700281587
Avaya Lucent AT&T Call Class-Det TN744C V1
Avaya Lucent AT&T Definity TN429D V2 DIOD/CO Trunk Card
Avaya Lucent AT&T Call Class-Det TN744C V4
AT&T LUCENT AVAYA DEFINITY TN2224 TN 2224 B TN2224B
Avaya Lucent Partner Messaging R7.0 & 2-Port Lic Card
Avaya Lucent Gigamo Telecom Optical Drive TN2211 V6
ATT-Avaya Lucent Merlin Magix 491E1 Power Unit 491E1 Po
AT&T/Lucent/Avaya Legend 016 With Ring Gen 16 Basic Tel
Avaya / Lucent Merlin Messaging
