USAGED13TXF1

问：wincc中I/O域的背景不断刷新闪烁，没有定义闪烁变量

答：1.确认I/O域的属性中背景，边框等闪烁属性确实没有组态。
2.确认I/O域中变量地址，如果变量组态了PLC中不存在的地址，如不存在或未下载的DB块地址等，也可能导致此问题。
首先要建立一个项目，对两个PLC的MPI网络组态。假设A站和B站的MPI地址分别为2和3。使用 SFC68“X_PUT” 和 SFC67“X_GET” 发送和接收数据。
发送和接收程序可以放于一个站的循环中断组织块OB35中, 或者发送程序放于OB35中，接收程序放于OB1中。? 例如在A站（2号站）的PLC的定时循环中断组织块OB35中编写发送程序和接收程序。首先利用SFC 68 把A站中的MB40?MB49中的10B数据发送到B站（3号站）中的MB50?MB59中。完成A站向B站写入数据。然后利用SFC 67 把B站中的MB60?MB69中的10B数据读入到A站中的MB70?MB79中。完成A站读取B站的数据。
注意：SFC 69 “X_ABORT” 可以中断一个由“X_PUT” ? “X_GET”建立的连接。如果SFC 68?SFC 67的工作已经完成（BUSY=0），调用SFC 69 “X_ABORT”后，通信双方的连接资源被断开。

? OB35中的程序:
Network1：用SFC 68发送数据本站(A站)的数据到对方(B站)CALL  "X_PUT"                    //调用SFC 68
REQ     :=TRUE                   //激活发送请求（BOOL  1有效）
CONT    :=TRUE                   //发送完成后保持连接（BOOL  1连续）
DEST_ID :=W#16#3                 //接收方的MPI地址（WORD）
VAR_ADDR:=P#M 50.0 BYTE 10       //对方的数据接收区（ANY）为M50?M59的10个字节
SD      :=P#M 40.0 BYTE 10       //本地的数据发送区（ANY）为M40?M49的10个字节
RET_VAL :=LW2                    //返回的故障信息（WORD）
BUSY    :=L2.1                   //发送状态（ANY  1为发送中）

Network2：用SFC 67 读取对方(B站)的数据到本站(A站)
CALL  "X_GET"                    //调用SFC 67
REQ     :=TRUE                   //激活读取请求（BOOL  1有效）
CONT    :=TRUE                   //接收完成后保持连接（BOOL  1连续）
DEST_ID :=W#16#3                 //对方(B站)的MPI地址（WORD）
VAR_ADDR:=P#M 60.0 BYTE 10       //要读取的对方的数据接收区（ANY）为M60?M59的10个字节
RET_VAL :=LW4                    //返回的故障信息（WORD）
BUSY    :=L2.2                   //发送状态（ANY  1为发送中）
RD      :=P#M 70.0 BYTE 10       //本地的数据接收区（ANY）为M70?M79的10个字节
SF红灯闪烁有两个原因：模块内部软件检测出外接热电阻断线，或者输入超出范围。由于上述检测是两个输入通道共用的，所以当只有一个通道外接热电
阻时，SF灯必然闪烁。解决方法是将一个100Ohm的电阻，按照与已用通道相同的接线方式连接到空的通道；或者将已经接好的那一路热电阻的所有引线，一一对应连接到空的通道上。
问：我有一个200的PLC，是CPU224  AC/DC/RLY，我想问一下：1、直流输入时电压有何限制；2、继电器输出时电压有何限制，它是无源触点吗？

问题补充：直流输入是不是只能是DC24V,继电器输出是不是可以接24、110、220的交直流，另外想问一下，他的使用说明在什么地方？我的PLC德订货号是：6ES7 214-1BD21-0XB0
答：1、直流输入的电压为24VDC
2、继电器输出的电压没有限制，是无源的触点
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CISCO WS-C3550-24-SMI  Cisco Catalyst 3550 Series 24-Port Switch

MOLEX GBIC 1000BASE-LX 1.25GBPS REACH SM OPTICAL TRANSCEIVER MODULE  cisco

Cisco Catalyst WS-C3560X-48T-L V02 (including C3KX-PWR-350WAC; 2-C3KX-FAN-23CFM)

GENUINE CISCO VWIC 2MFT-E1-D1 INTERFACE CARD WITH WARRANTY

NEW Cisco Four Port Voice interface Card - FXS And DID VIC3-4FXS/DID

Cisco CAB-GS-50CM Yellow Gbic Cable

Cisco CP-7975G IP Phone

CISCO DS-X2-FC10G-SR Genuine Cisco Tranciever Module

Cisco Ethernet 10BT 4-Port Module Card 73-1556-08 800-02070-04  7000 7200 Series

TREND MICRO INTERSCAN MESSAGING GATEWAY SECURITY APPLIANCE M-SERIES

GENUINE CISCO WIC-1SHDSL-V2 OR V3 CISCO 1 PORT G.SHDSL WAN INTERFACE CARD

BRAND NEW SEALED IN CISCO BOX Cisco C3850-NM-4-1G Network Module

Cisco Catalyst 2950 Series WS-C2950-24 24 Port Ethernet Switch

CISCO WS-C2950T-24 CATALYST 2950 SERIES

Cisco 887-K9 ADSL Router Modem with Free Postage within Australia

Linksys PSM-11R-050 Cisco PA100 SPA504G SPA508G SPA525G2 SPA501

Cisco GLC-SX-MM 30-1301-04 Transceiver Module

CISCO ASA5540 Security Appliance +1xSSM-4GE Gigabit Module+VPN Premium Licence

CISCO 1RU Cable Management CABLEMGMT-1RU-LONG LOT OF 10 NEW

Lot 2 Genuine Cisco CXP-100G-SR10 Transceiver 100GBase 100Gigabit

Cisco Aironet Wireless Access Point  AIR-CAP1602i-A-K9

Cisco SPA303 3-Line IP VoIP Telephone Phone w/AC Power & PC Port

Cisco 891W CISCO891W-AGN-A-K9 wireless VPN Router w/ 48v POE adapter

Cisco VG248 VoIP Analog IP Phone Voice 48 Port Gateway Router VG-248

Cisco Meraki Z1 Teleworker Z1-HW-US

Cisco Meraki MS220-8P-HW with 3 Year Enterprise Cloud License

NEW CISCO WS-C3850-24U-E w/ C3850-NM-2-10G  - Factory Sealed in Box  3850

IBM Cisco Catalyst Switch Module 3012 for IBM Blade Center P/n 46C9276

Cisco Catalyst Blade Switch 3020 for HP, HP No - 410916-B21 Spare No 432904-001

Cisco Catalyst Switch Module 3012 for IBM Blade Center P/n 46C9276 FRU 43W4404

Cisco Catalyst Blade Switch 3020 for HP, HP No - 410916-B21 Spare No 432904-001

Cisco WS-CBS 3020-HPQ Switch, WS-CBS3020-HPQ V02, HP Part No - 410916-B21

Cisco Catalyst 6500-E Series Chassis

Cisco ASA5512-FPWR-K9 W/ ASA5500X-SSD120  Firewall VPN Adaptive

Cisco Catalyst WS-C3750G-48PS-S 48-Port PoE Gigabit Switch

Cisco3945-V/K9 - Cisco 3945 with C3900-SPE150/K9 and UC License - No PVDM3-64 #2

CISCO SR2024C 24-Port 10/100/1000 Switch

NEW Cisco SRW2008-K9-NA SG300-10 Layer 3 Switch 8 Port 10 100 1000Mbps

NEW SRW2008-K9-NA SG300-10 Layer 3 Switch 8 Port 10 100 1000Mbps Cisco

CISCO IAD2400 SERIES IAD2435-8FXS INTEGRATED ACCESS WIRED ROUTER

Genuine Cisco SFP-GE-L 10-2144-01 SFP Module

NEW Cisco ASA5525-K9 ASA 5525-X Firewall Edition Network Security/Firewall

Cisco AIR-CAB005LL-R Aironet Low-Loss RF Cable Black

Cisco3945/K9 - Cisco 3945 with C3900-SPE150/K9 and Data License * FOC1638414G

Cisco SPA-1XOC3-ATM-V2

NEW Cisco DS-SFP-FC16G-SW 16 Gbps Fibre Channel SW SFP+ MDS 9000 New Sealed Bag

NEW Sealed DS-X9448-768K9= 48-Port 16-Gbps Fibre Chnl Switching Module MDS 9700

Cisco DS-SFP-FC-2G-SW 10-1821-01 1/2-Gbps Fibre Channel SW, SFP, LC

NEW DS-X9448-768K9= 48-Port 16-Gbps Fibre Channel Switching Module 768-K9 NOB

Cisco OSM-2OC12-POS-SI+ 7600 Series Router 2-port OC-12/STM-4 SONET/SDH

Cisco DS-C24-300AC MDS  C9124 Power Supply

Cisco 15540-TSP2-1700 ONS15540 Trunk Type 2 ONS

Cisco N7K-SUP1 Nexus 7000 Series Supervisor Module N7K-CFP-2GB Installed

Cisco ASR5K-PSC-32G-K9 ASR-5000 530-60-1055 Packet Service 2 PSC2

Cisco DS-X9704 MDS 9000 Family 10-Gbps 4-P X2-FC10G-LR

Cisco 15540-TSP2-1500 WM6W105CAA, 68-1348-08 Type 2 TSP Ch 15/16 XVRA

NEW Sealed  DS-X9232-256K9 MDS 9000 32 Port Fibre Channel Switching Module NIB

Cisco 15540-TSP2-0300 WM6WP1PCAA, 68-1342-06 15540  Warranty

Cisco OSM-2OC12-ATM-SI+ 2-port OC-12/STM-4 ATM IP5I1Z6CAA

Cisco DS-X9232-256K9 180 Day Warranty MDS 9000 Family Advanced Fibre Channel Swi

Cisco DS-X9530-SF1-K9 CNP6NTSAAE Warranty

Cisco DS-PAA-2 Port Analyzer for Cisco, one sfp port.

Cisco NI-2-155MM-155MM2 6015 6260 6160 MM OC3 VAL5GDFCA

NEW Cisco DCNM-SAN-M97-K9 for SAN Advanced Edition  License for MDS 9700

Cisco CVPN3000-PWR VPN 3000 Series Concentrator AC Power Supply 800-18720-01

Cisco OSM-4GE-WAN-GBIC 4 port Gigabit Ethernet Module CNS3KJNAAA

Cisco M97ENTK9 Enterprise Package License for 1 MDS9700 Switch

Cisco 6260 Concentrator DSL 15x ATUC-8-DMT-1 NI-2-155MM

NEW Sealed DS-X9448-768K9 w/ DS-SFP-FC16G-SW 48-Port 16Gbs Fibre Module MDS 9700

** NEW CISCO WS-C3560V2-24PS-S - Factory Sealed in Box 3560 3560G 3560V2 NIB **

CISCO CATALYST WS-C3560-48PS-S 48-PORT ETHERNET POE SWITCH WARRANTY

Cisco Catalyst 3560 V2 Series PoE-24

Cisco ASR 9K Router 10G Line Card

Lot of 8 Cisco 34-0874-01 ADP-30RB & 34-0875-01 ADP-20JB Adapters

Cisco PSA18U-480C 48V 0.38A P/N 34-1977-03 A0 Power Supply w/ Power Cord Tested

1 LOT OF 4   Cisco WIC-1DSU-T1 V2 WAN Interface Card ORIGINAL WIC-1DSU-T1-V2

Cisco 7600-ES20-GE3CXL

New Cisco 887 CISCO887-SEC-K9 Advanced IP Services Wired Ethernet Router

Cisco 10C768-ITU/C

CISCO WS-CBS3110G-S BLADECENTER CATALYST SWITCH MODULE

Cisco SPA-2XCHOC12/DS0

Cisco Geniune QSFP-40G-SR-BD New, Quantity is available

Lot of 3 - Cisco Catalyst WS-C2960S-48TS-S 48 Port Managed Switch & 6 SFP

Cisco UBR-MC3GX60V Broadband Processing Engine

Cisco CISCO2951-V/K9  4-Port Gigabit Wireless Router (CISCO2951-V/K9)

CISCO WS-C3750G-24T-S  CISCO Catalyst 3750G Series 24 Port Switch

Cisco RFGW-X4516-10GE

Cisco PVDM2-32 32-Channel DSP Voice Module

Cisco 3845 Faceplate and Fan Assembly 3845-FANASSY

Cisco 2921 Gigabit Wired Router

Cisco VWIC2-2MFT-T1/E1 2-Port T1/E1 Voice Card

Cisco EVM-IPVS-16A Analog Video Surveillance Network Module

Cisco VWIC-2MFT-T1-DI 2-Port T1 VoIP Voice Network Card

Cisco WS-C3750G-24TS-E 24-Port Gigabit Ethernet Switch

Cisco WS-C3750G-16TD-E 16-Port Gigabit Ethernet Switch

Cisco ESW-520-24P-K9 Small Business Series 24-port 10/100 Ethernet Switch w/ PoE

Cisco ASA5510-SEC-BUN-K9 Security Plus Unlimited Inside Hosts 1GB /256F ASA 5510

Cisco PVDM2-48 DSP Voice Module

Cisco 1711 Router with WIC-4ESW and WIC-1AM Modules and AC Power Supply

Cisco HWIC-2A/S 2-Port Async High Speed WAN Interface Card

Cisco NM-16ESW-PWR 16-Port Switch Network Module with PoE

Cisco 2811 Router

Cisco NM-2W Network Module

Cisco CP-500 Series 521 Unified IP Small Business Phone CP-521G

Cisco PVDM2-16 DSP Voice Module

Cisco VWIC2-1MFT-T1/E1 1-Port T1/E1 Voice Card

Cisco ISM-VPN-29 Integrated Services Module VPN with mounting kit

New Cisco FL-CUBEE-5 5 Session Unified Border Element License for 2900 3900

Cisco NM-CE-BP Content Engine Network Module

Cisco 2911 Gigabit Wired Router

Cisco 3825 Router

Cisco VG202 Analog voice over IP gateway

Cisco Nexus 2000 N2K-C2232TM-10GE Fabric Extender

CISCO WS-C6509NEB

Cisco SR2024 24-Port Gigabit Unmanaged Switch  (S2)

Cisco ASA 5510 V04 Adaptive Security Appliance Firewall VPN

Cisco SR2024 24-Port Gigabit Unmanaged Switch  (S2)

Cisco Catalyst 6500 Series Three Slot Chassis, WS-C6503

Cisco 1721 and Cisco serial interface

CISCO 2821 Router SFG

Cisco 2-Port RJ-48 Multi-Flex T1 Trunk Card, VWIC-2MFT-T1-DI

Cisco3945-V/K9 - Cisco 3945 with C3900-SPE150/K9 and UC License - No PVDM3-64 #1

Cisco Integrated Services Router (CISCO2911/K9 V05) w/Cord & Rack Ears

DC Terminal Block For Cisco AS5350 DC Power Supplies

Cisco WS-C3650-48FS-L

Lot of 5 - Cisco CP-7931G IP Phones w/Handsets & Stands

Cisco 15454-GE-XP

Cisco CVPN 3002 Hardware Client (No AC Adapter)

Cisco 7921G Desktop Charger w/ Speakerphone, CP-DSKCH-7921G-BUN

CTI-3241-GWISDNK9 Cisco ISDN GW 3241 Codian TelePresence 3241 Gateway +Warranty

Cisco PVDM2-32 High Density 32 Channel Packet FAX/Voice DSP Module + Warranty

NOB CTI-3241-GWISDNK9 Cisco ISDN GW 3241 Telepresence Gateway Tandberg Codian

NOB Cisco ME-C3750-24TE-MA 24x10/100 2x SFP Ports Switch + 1x PWR-ME3750-AC

Cisco 15454-YCM-MM-LC Y-cable splitter/combiner module MM LC WMUCATTFAA WARRANTY

Cisco XENPAK-10GB-SR Cisco Original 10GBASE-SR XENPAK Module + Warranty

Cisco SG110D-08-EU Small Business

Cisco 15454-10E-MR-TXP-C MULTI-RATE 10G TRANSPONDER CARD WMOPCA3CAA OC-192 10GE

NEW Cisco CAB-9K10A-UK UK Power Cord, 250VAC 10A BS1363 Plug (13 A fuse), UK

NOB Cisco WS-C6K-9SLOT-FAN2 High Speed Fan Tray Spare For Catalyst 6509 Warranty

Cisco 15454-OSC-CSM COMBINER & SEPARATOR W/OSC MODULE WMOMA22BAA + Warranty

Cisco PWR-2700-DC/4 DC Power Supply for SCE8000 7604 and 6504-E IPUPAC1AAA

Cisco AIR-AP352E2R-A-K9 AIRONET 350 - RADIO ACCESS POINT rugged AP

NEW Cisco WS-SVC-IPSEC-1 IPSec VPN Security Module for 6500 and 7600

Cisco 15454-E1000-2 2 PORT COPPER GIGABIT CERENT CARD + Warranty

Cisco PA-MCX-8TE1 8 Port MIX multichannel T1/E1 port adapter with CSU/DSU

Cisco WS-X4448-GB-RJ45 48 x 10/100/1000Base-T - Switching Module Catalyst 4500

Cisco 15454-OC192IR1550 OC-192/STM-64 IR 1550nm SC SONET OC-192 ONS WMTJDRFCAA

NOB Cisco ME-C3750-24TE-MA-2AC 24x 10/100 2x SFP Ports Switch 2x PWR-ME3750-AC

Cisco 15454-YCBL-LC  Y-cable storage shelf WMMV110FRA + Warranty +Free Shipping

VWIC-2MFT-T1-DIR Genuine Cisco 2 port RJ-48C for MWR-1941-DC Multiflex Trunk Int

CISCO SERIAL-X.21 73-1582-08 28-1620-03 EXPANSION MODULE FOR 7000 7200

NEW  CISCO FOUR POINT RACK MOUNTING KIT CATALYST 3750-X 3560-X C3KX-4PT-KIT

NEW Cisco 72-5176-01 HDMI Codec Camera Cable for Tandberg TelePresence SX20  J

Cisco 15454-OSCM 800-22341-03 WMOTBRJAAB OPTICAL SERVICE CHANNEL CARD

Cisco PWR-1900-DC 1900W DC Power Supply for the Cisco7606, Redundant PSU 7606

Cisco PIX-525-UR-BUN Security Appliance PIX-525 Firewall Unrestricted Bundle

Cisco 10000-SIP-600 10000 Series SPA Interface Processor-600 UBR ESR + Warranty

Cisco WS-C6K-9SLOT-FAN2 CATALYST 6509 and 6509-E HIGH SPEED FAN TRAY + Warranty

Cisco WS-X5224 24 port 10/100BASE-TX port module Cisco 5000 Series + Warranty

15454-OC34IR1310 Cisco Cerent 4 Port OC3 IR1310 SN98BBM

Cisco 15454-OPT-RAMP-C WOGUADWEAA ONS 15454 RAMAN PUMP MODULE C-Band + Warranty

Cisco WS-X6148A-GE-TX 48-Port 10/100/1000 Module Gigabit Ethernet module 6500

Linksys SRW2024 24-port 10/100/1000 gigabit switch Version 1.3 (tested) / C851DS

NEW AIR-ANT4941 for Cisco Aironet 1100 Access2.4 GHz Articulated Dipole RP-TNC

NEW Cisco CP-3905 Unified SIP Phone 3905 LCD Display Telephone

Cisco 3700 Series Multiservice Access Router, Model 3745

CISCO 15-14068-01 16GB PC3-14900R 2Rx4 DIMM Memory z5 ddr3 ecc dual rank

Cisco3945-V/K9 - Cisco 3945 with C3900-SPE250/K9 and UC License - No PVDM3-64 #2

Cisco TelePresence PrecisionHD USB Camera, CTS-PHD-USB-1PAC, TTC8-03, 720P@30FPS

Cisco Unified IP Conference Phone CP-8831 + Display Control CP-8831-K9

Cisco Systems Catalyst 3500 SeriesXL 24 Port Ethernet Switch WS-C3524-XL-EN

CISCO 15454-OC3IR-STM1SH-1310-8 CARD WITH WARRANTY!

GENUINE CISCO 800-02316-03B0 DIGITAL MODEMS NETWORK MODULE 800-02316-03