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　　根据本公司无负压管网增压设备的特点，采用西门子 S7-200 SMART、SMART LINE 和 V20 变频器的全套解决方案。文中对设备的工艺流程进行了分析，使用一控二的方式达到了良好的控制效果，V20 变频器通过 Modbus 与 S7-200 SMART 进行通讯，驱动无负压管网增压设备，保证了用户对恒压管网供水的要求。在软件方面采用了 S7-200 SMART PID 控制方式，实现了对无负压管网增压设备的完美控制。
　　关键词：S7-200 SMART，SMART LINE，V20，无负压管网增压设备
　　1. 项目简介
　　随着我国物质文明生活水平的提高，高层建筑越来越多，自来水管网压力出现不足，很多城市普遍存在着用水高峰期上不去水的现象。由此引发生活、办公用水难的问题。无负压管网增压设备可直接与自来水管网串接而不产生负压，能够安全、卫生的向用户供水。该设备充分利用了市政自来水管网的原有压力，在原有压力的基础上实现压力叠加，差多少，补多少，使二次加压设备的选型减小，节省投资，同时在使用过程中也可节能很大一笔费用，是目前最先进最新型的二次供水方式。
　　该设备采用 SIMATIC S7-200 SMART + SMART LINE + V20 变频器。优良的工艺造就了高质量的产品，强大的技术支持保证了产品的高性能。SIMATIC S7-200 SMART 与 SMART LINE 上添加的以太网口，方便了调试程序，不用频繁的插拔电缆，节省了下载程序的时间。V20 变频器的宏指令调用功能，可快速实现参数设置。V20 变频器的小体积与上进下出的接线方式，节省了所占用的空间，便捷的接线方式，强大的功能，简洁的操作方式，体现了基本型变频器的发展趋势。
　设备选型为一控二。自动运行时 SIMATIC S7-200 SMART 驱动 V20 变频器。通过变频器拖动一台泵升速，一台泵运行到某个频率能够达到目标压力，则单台泵进行恒压供水。如果单台泵运行到 50Hz，经过延时进行切换，一台工频、一台变频运行，目标压力为用户设定压力。通过触摸屏可以查询以及更改参数。可以查询某一时间段的故障以及故障时间。触摸屏还设计了手动控制系统的启停。
　　3、 方案确定
　　由于该无负压供水设备系统属于成熟机的升级，客户比较倾向于性价比高的产品。SIMATIC S7-200 SMART、SMART LINE、V20 作为西门子新一代研产品具有良好的性价比。SIMATIC S7-200 SMART、SMART700IE 本身具有集成的以太网口，既方便了技术人员的调试，又方便了设备连接到工厂的网络上。SIMATIC S7-200 SMART 还有可扩展的 RS485 接口，方便了现场通讯口使用。
　　a)、设备接通电源，SIMATIC S7-200 SMART 电源信号灯亮，SMART LINE 处于待机工作模式，系统通过 SA1 分为手动与自动模式。
　　b)、SA1 转换打到自动模式：手动模式是操作人员就地控制每台水泵的启停。手动运行可选择为手动变频或者手动工频。手动变频运行的时，只能运行一台水泵，需要操作人员通过电位器控制频率的升降。
　　c)、SA1 转换打到自动模式：自动模式又分为屏手动与屏自动。屏手动是操作人员通过 SMART LINE 控制相对应的每台泵的输出。屏自动控制需要操作人员把相关的参数设置完全,系统会判断当前的实际数值与操作员设置的数值进行比较，判断管网压力是小于设定压力还是高于设定压力。

上亿库存，国内外近千个仓库，公司部分产品型号如下，欢迎联系哦~！

2090-CPBM7DF-02AA30 30 m Length DIN Power and Brake Cable

2090-CSBM1DF-14AF14 Kinetix Cable Single DSL 2090-Series

20AC1P3C3AYNANC0 PowerFlex 70 AC Drive 20A

GC646VSCEMK Proficy GlobalCare Complete for ViewStation CE Development Software

IC200MDL740LT OUTPUT 12/24VDC POS LOGIC 0.5A PER PT (1 GROUP OF 16) 16PT (LT)

IC600PM543RR Redundant Processor Unit Main Power Supply, 24Vdc

IC647HSTSSEO5000KM eSignature Option for Historian - Standard Server 5,000,000 Points (M4 Key)

IC670PBI001RR Profibus Bus Interface Unit, DP 12M Baud

IC693PBM200 Profibus DP Master Module

IC756LDV010J-912 DV-Draw Development on Intel Linux/Red Hat 32 bit, Japanese v9.12

MicroLogix 1000/1761 System 1761-L16AWA 16 I/O MICROLOGIX 1000

PLC-5/1771 System 1771-OXK CONFORMALLY COATED, POWER CONTACT OUTPUT MODULE

Distributed I/O 1791-NDV BLOCK I/O, 24V DC, 6 POINT ANALOG MODULE

Communications 1786-RPFRL CONTROLNET FIBER RING REPEATER - LONG

Operator Interface 9399-WVDUG WINTELLIGENT VIEW USER GUIDE

Support 9356-PRO2400S SUPT RENEWAL CONTRACT FOR 9356PRO2400

Support 1789-SL51R SUPT REINSTATEMENT CONTRACT FOR 1789SL51

EtherNet/IP Products 9351-HPUSRT INTERCHANGE FOR HP-UX RUNTIME

RSI Software Products 9301-2SE3500FRU3 RSVIEW32 RUNTIME 300-100K UPGRADE IN-SUPT (FR)

RSI Software Products 9356-PRO2500U3R UPGRADE: OUT-SUPT: RSSQL STD.1500 TO 70000 TAGS

Motion Control N-4220-2-H00AA MOTOR,NEMA 42,20 LB-IN,5000 RPM

44A731205-G03 Upgrade Kit Genius IC660BBA024

IC200ALG431 ANALOG MIXED 12 BIT 0-10V INPUT 4CH AND OUTPUT 2CH

IC693PWR328 Power Supply, 48 Vdc, Standard

Silver Series 9500-CPAKPMENE CONTROLPAK RT PLUS - MEDIUM SYSTEM

VSPC32-ADMIN5 VisualSPC Administration Bundle includes Attributes, Analyst, Designer , Wizard, Importer and Reports. 5 License Pack.

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20G11FD8P0AA0NNNNN PowerFlex 755 AC Packaged Drive

22C-D370A103 PowerFlex 400- 200 kW (300 HP) AC Drive

520480000 Quantum CONN COAX M/F R/A F-STYLE

285-M25M-M05 Source Brake Receptacle Male, M25

E6C2-CWZ3E 5-12VDC,电压输出,负载电流20mA, 3相,1000P/R

1492-SPM2B030 MCB Supplementary Protector 3 A

变频器选件 6SE6 400-0PM00-0AA0 BOP/AOP 柜门上安装操作板的组合件

电机启动器 3VU16400MQ00

150-CF64 SMC-3 FAN

1715-N2T 1715 Tall Slot Filler

1771-NBV1 1771 Analog Module

193-EC5AD E3 Plus 1-5 A Overload Relay

198E-AYTG2 Plastic IP65 Enclosure

2090-CPWM4DF-16AF20 MP-Series 20m Power Cable

2094-BM02-M Kinetix 6200/6500 Axis Module

DEMOCD00017 Proficy Plant Apps - DEMO CD

GFK-0823 Series 90-30 I/O Link Master Module User's Manual

IC210DDD012 24V DC Power Source, (6) 24VDC in/(4) out (Transistor) , (2) analog inputs, Expandable, with LCD/Keypad

IC647ASC100 PA SDK 100 Pak

IC647PPSOPC Proficy Process Systems EGD OPC Server

IC693CPU313LT 5-Slot Base With Turbo CPU in base (.6 msec), 1K Registers, (12K Bytes User Program) (LT)

IC754VGI08CTD View Interm 8In Color TFT Touch DC GEF

MSI-DASHBOARD-100 Dashboard Client 100 Pack

SLC/1746 System 1746-R9 REPLACEMENT TERMINAL COVERS & LABELS

Distributed I/O 1734-IE2V 24V DC 2 CHANNEL ANALOG VOLTAGE INPUT MODULE

Application-specific products 1803-EEM30E4 EEM,48 PULSES, 24V DC, NEMA 4 ENCLOSURE

Operator Interface 2711-ND3ES PANELBUILDER32 SOFTWARE SPANISH

Support 9302-CV3R SUPT REINSTATEMENT CONTRACT FOR 9302CV3

Support 9381-PP500ENS SUPT RENEWAL CONTRACT FOR 9381PP500EN

DeviceNet Products 1791D-16B0X 24VDC COMPACTBLOCK I/O EXPANSION, 16 IN SINK

RSI Software Products 9301-2SE3350ITE RSVIEW32 RUNTIME 5K (ITALIAN)

RSI Software Products 9307-10KMGDBPENE RSEMETRIX MGR(65-10K METERS)W/1MSSQL PROCESSOR LIC

Motion Control MPL-B960B-MJ22AA MOTOR,SERVO,102.0NM,1000RPM,MULTI,460V

Silver Series 1398-DDM-019 DRIVE,30A PEAK, ULTRA 100

HE660SER211 Genius sequential event recorder with 8 inputs (30-300VDC) with 1ms resolution, network synchronization, and IRIG-B.

IC646TPD700 Pro Server 700 I/O Point Development and Run Time System

QDC-EDT-001 V2.4 QUICKDESIGNER EDITOR

ST-3234 STXi analog input module 4 Channels, 4~20mA, 14-bit

20BC105A3AYNADA0 PowerFlex 700 AC Drive 20B

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22A-B4P5N104 PowerFlex 4- 0.75 kW (1 HP) AC Drive

140CPS22400 Quantum 电源, 24 VDC, 冗余, 8A

284D-FHD2P3Z-10-RR DeviceNet Variable Frequency Drive

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1492-RIFM40D24 Connection Products

WinCC 上位监控软件 6GK1704-5DW63-3AA0 DP-CP5611 主站驱动

变送器 3RS17002DD00

1497A-A11-M8-0-N Control Power Transformer

1606-XLP30B Power Supply XLP 30 W Power Supply

1766-L32AWA MicroLogix 1400 32 Point Controller

188-K4B630 Miniature Circuit Breaker 63 A

194L-HE6L-175I 194L Control and Load Switch Actuator

2090-CPBM7DF-10AA03 MP-Series 3m Standard Cable

2090-XXNPMP-10S03 MP-Series 3 m Length Power Cable

CB5N-0WPM-0400-AZ Fan Cable, A50/3000HVis Motor w/ Fan,40M

GC647SMP001 GCScheduler Manpower Module

IC200PWB001CA POWER SUPPLY BOOSTER CARRIER - CONFORMAL COATED

IC646TBLCPVC001 Single Seat Virtual Campus for Proficy Troubleshooter and Cause+

IC647NDT000 CIMPLICITY HMI INTEGRATOR'S TOOLKIT

IC690CRG001 Battery charger. Compatible with rechargable battery (IC690RBT001) only. The rechargable battery is compatible with PAC controllers, Series 90-30 and Series 90-70.

IC698CHS117 RX7i 17Slot Rack Front Mount

IC800VMACONACP VersaMotion amplifier AC power replacement connector (100 W to 1 kW models)

SLC/1746 System 1746-IB32 DC INPUT MODULE FOR PROGRAMMABLE CONTROLLER

Industrial Computers 6181P-2PXPHDC VERSAVIEW 1200P NON DISPLAY COMPUTER 2 SLOT

Application-specific products 9358-PBRENT01ENE RSBATCH NT FOR PROCESSLOGIX REPORT EDITOR

Operator Interface 2711-K5A5L3 PV550 MONOCHROME KEY, RS232 (DH485)

Support 9301-2SE2200DER SUPT REINSTATEMENT CONTRACT FOR 93012SE2200DE

Support 9500-CPAKWENS SUPT RENEWAL CONTRACT FOR 9500CPAKWEN

ControlNet Products 9904-STRT CONTROLNET STARTER KIT

RSI Software Products 9301-2SE250DEU1R RSVIEW32 WORKS 32K-100K UPGRADE OUT-SUPT (DE)

RSI Software Products 9358-BEPTSENE RSBIZWARE BATCH / EPROCEDURE TRAINING & SIMULATION

Motion Control MPL-A540K-SJ22AA MOTOR,SERVO,19.4 NM,4000RPM,SINGL,230V,16.5KG

Motion Control 2090-XXNPMP-16S03 CABLE,NON-FLEX,MOTOR POWER,MP/1326AB,16 GAUGE,3M

GC646MRA000 Proficy GlobalCare Complete for View Runtime 8,000 I/O""

IC641SWP052 MS Windows Host Drivers C/C++ Developer's Tool Kit

IC800SSI420RD2 20A, 480V, DeviceNet S2K Servo Controller for MTR Series Motors

PSPC-DC/EL Prof Shop Floor SPC DC 1 User w/ eSig

20BB192A3ANNANC0 PowerFlex 700 AC Drive 20B

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2198-H003-ERS2 Kinetix 5500 2.5 Amp Servo Drive

2711P-K6C5D8 PanelView Plus 6 6 Color Key DC RS 232

280-PWRM35E-M25 ArmorConnect 3-PH Power Media trnk cable

3G2A6-PR015-E 横式编程器

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行程开关 3SE53123SF13

运行版软件 6AV2105-2HH14-0AC0 SIMATIC WinCC Runtime 专业版 Powerpack Runtime Advanced 4096 PowerTags -> Runtime 专业版 4096 PowerTags ASIA V14

1585J-M8CBJM-16 RJ45 Ethernet Media

1756-PBR2XT Extended Temp DC Redundant Supply Bundle

188-K1D030-N Miniature Circuit Breaker 3 A

194E-Y16M-1753-4G 16 A 194E Load switch

2090-CFBM7E7-CDAF03 MP-Series 3m Feedback Cable

2090-UXNFBMP-S40 MP-Series 40 m Length Feedback Cable

BC646TPD700 ProServer 700 I/O Develop/Runtime System with Proficy GlobalCare

GC647IFESGSRUNLMT GCC iFIX Optn: ESig & ERec Unl I/O Srv

IC200CBL002 Cable from NIU to PC for configuration and upgrade.

IC646MPC001 Logic Developer PLC Configuration Tools

IC647IFPRSR00075M iFIX Profsnl SCADA 75 I/O Server (M4 Part)

IC660TBD120 Terminal Assembly for IC660BBD120

IC697CMM741 Series 90-70 MMS or TCP/IP Ethernet Lan Interface

IC800MCUB12210XE 100 oz-in stepping Motorcube with pulse/direction interface and encoder feedback

ControlLogix/1756 System 1756-IH16ISOE 125 VDC ISOL SEQUENCE OF EVENT INPUT 16PT (36 PIN)

Industrial Computers 6182H-10BEH15D VVCE 1000, KEY/TOUCH, EXT MEM, CNET, DC

Process Control 9358-PBNTK30ENE RSBATCH NT FOR PROCESSLOGIX BACK-UP KEY 30 UNITS

Operator Interface 2711P-RAT10 PVP/VVCE1000 TOUCH TO PV1000/1000E TOUCH ADAPTER

Support 9352-WRA100R SUPT REINSTATEMENT CONTRACT FOR 9352WRA100

Support 9351-DKTSR SUPT REINSTATEMENT CONTRACT FOR 9351DKTS

ControlNet Products 1786-TPYS CONTROLNET Y-TAP/STRAIGHT

RSI Software Products 9301-2SE235PTU2R RSVIEW32 WORKS 300-5K UPGRADE OUT-SUPT (PT)

RSI Software Products 9355-WABEU2 UPGRADE: IN-SUPT: WIN LINX TO RSLINX PROFESSIONAL

Motion Control MPL-A310P-HK24AA MOTOR,SERVO,2.94NM,5000RPM,ENCDR,230V,BRK,5.1KG

Motion Control 2090-DANFCT-S12 CABLE, NF, MTR FBACK FOR CABLE-MTD CONN, T, 12M

BC647MPP010 Logic Developer PLC Professiona - 10 user pack with Proficy GlobalCare Complete and 10 hardware keys

IC5002TBW0000 12" Intelligence Industrial PC, Performance Series Win2000

IC800CBL069 AC12/2000 Motor Power Cable, 14 Meters

OC647IFAAMC iFIX Optn: Auto Alarm Manager (M1Component Part)

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20DC140A0EYNANASE PowerFlex 700S AC Drive 20D

20G1ANE077AA0NNNNN PowerFlex 755 AC Packaged Drive

25C-D037N114 PowerFlex 527 18.5kW (25Hp) AC Drive

280-PWRM22A-M05 ArmorConnect 3-PH Power Media drop cable

FX1S-14MT 主机8入/6出 晶体管输出

1492-M5X12H1-50 Connection Products

1494H-CF3H2 Heavy Duty Fusible Safety Switch

软启动器 3RW44452BC44

ET 200SP 6ES7137-6BD00-0BA0 CM 4xIO-Link，基座单元类型A0

1585D-M4TBDM-20 Micro D-Code, QD Style Ethernet Media

1756-DHRIO ControlLogix DH Plus/RIO Comms Module

1794-OB16P Flex 16 Point Digital Output Module

194E-CA40E 194E Load switch

2085-IQ16 Micro800 16 Point Digital Input Module

2090-DANBT-18S12 TL-Series 12 m Length Brake Cable

20AC5P0C3AYYANC0 PowerFlex 70 AC Drive 5 A at 2.2 kW 20A

GC646PCM001 GlobalCare Complete for Change Management 1 user

HE693THM668 Discontinued Part. Check with GE IP on migration path.

IC630MDL316RR Analog Input Module, 4-20mA/1-5Vdc (2 channels)

IC647HSTSS40KM-35 Historian v3.5 Standard Server 40000 Points (M4 Key)

IC660BLA026 Cover w/Label for IC660BBA026

IC695ALG626RS Refurbished Analog Input HART module, 16 channels single ended, 8 channels differential,channels are configurable for voltage,current and current/ HART. Supports Current: 0 to 20mA, 4 to 20mA, +/- 20mA; Voltage: +/- 10V, 0 to 10V, +/- 5V, 0 to 5V, 1

IC756WDV009E-99 DV Development Sys Visual Basic, English, Version 9.9

CompactLogix System 1769-OF8V 8 CHANNEL ANALOG VOLTAGE OUTPUT MODULE

PLC-5/1771 System 9399-L5SR 9399-L5SR PLC-5 A.I. SERIES SOFTWARE REFERENCE

Distributed I/O D1791-6.5.3 1791 DISCRETE I/O AC/DC 16 PT BLOCK I/O USER MNL

Operator Interface 2711P-T6C8D PV PLUS 600 COLOR, TOUCH, DH+, DC PS

Support 6401-DDMCR 6401-DDMC SOFTWARE SUPPORT REINSTATEMENT

Support 9358-PBPC30S SUPT RENEWAL CONTRACT FOR 9358PBPC30ENE

Support F1779-KP3 FIRMWARE UPGRADE FOR 1779-KP3 COMMUNICATION MODULE

RSI Software Products 9301-2SE2103JPE RSVIEW32 WORKS 150 WITH RSLINX (JAPANESE)

RSI Software Products 9701-VWMR075FRU1 RSVIEW ME STATION RT 15 TO 75 DISP UPGRADE(FRENCH)

RSI Software Products 9399-2SE32GRIT RSVIEW32 GETTING RESULTS GUIDE (ITALIAN)

Motion Control 2098-DSD-HV030X HIGH VOLTAGE DRIVE, 7A/14A, ULTRA3000 W/INDEXING

ABI3D200C2P/ABD QUICKPANEL 10.5" TFT W/AB DH+ 24VDC

IC220ALG221 Analog Input module, 8 channels, voltage/current. 15bit resolution.

IC752DPA062 Mature, order QuickPanel instead. DataPanel 1062 with resistive touch. 10.4" VGA (640x480) active matrix TFT color display. Black bezel mounting from front of panel. Supports all WinCfg functionality.

MTR-3S32-G-R-B-E-ERR Servo Motor Explosion-proof 24V Branke

ZA06B-0276-B210 Alpha 50/3000HVis servo motor with fan and straight shaft with key

20BE022A0AYNAND0 PowerFlex 700 AC Drive 22 A at 20 Hp 20B

20G14ND302AN0NNNNN PowerFlex 755 AC Packaged Drive

25-PMFC-FD PowerFlex 520 Fr D Power Mod Front Cover

2711P-RP9A PanelView Plus 6 700-1500 Logic Module

FRN15G11S-4CX 23 KVA 30 A 15 KW 3相AC380V/50Hz/60Hz

1492-J6-BL 6 square mm Feed-Through Terminal Block

1492-STPLE IEC Term Blck Yellow Blocking Element

软启动器 3RW40732BB44

CPU 模块 6ES7 512-1CK00-0AB0 CPU 1512C-1 PN，250 KB 程序，1 MB 数据；48 ns；集成 2x PN 接口；集成 32 DI/32 DO，5 AI/2 AO，6 HSC@100kHz

152H-C317XBD-56 SMC-3 Enclosed Motor Starter

1738-OE2VM12 ArmorPoint 2 Point Output Module

1785-L80B PLC-5 Processor

193-NREELZ E1 Plus Replacement Overload Relay

20-COMM-E PowerFlex EtherNet/IP

2090-CSBM1DE-18AF01 Kinetix Cable Single DSL 2090-Series

20AC011A0AYNANC0 PowerFlex 70 AC Drive 20A

GA647IFSTDV00300 GCA iFIX Std HMI 300 I/O Dev

GP647IFPLDVUNLMT GCP iFIX Plus SCADA Unlmt Dev

IC600BF921RR 5V TTL Output Module with Lights (32 points)

IC647HSTCR300M Collector Redundancy Option for Historian - Standard Server 300 Points (M4 Key)

IC647TPR000 CIMPLICITY HMI ProServer No Limit Runtime System

IC693PCM311RR Prog Coproc Mdl, 640 KB (190 KB Basic Prgm), w/Port Exp Cbl

IC756MDV000J-99 DV Development - Alpha OpenVMS Op Sys, Japanese, Version 9.9

MicroLogix 1000/1761 System 1761-HHM-K08 8K MEMORY MODULE FOR HHP

PLC-5/1771 System 1771-IXEK CONFORMALLY COATED, THERMOCOUPLE/MILLIVOLT INPUT

Distributed I/O 1792D-8BV0D 8 SINK/SOURCE INPUTS, 8 CONNECTORS

Communications 9230-IOLINXSDK I/OLINX DEVELOPER'S KIT FOR CONTROLNET & DEVICENET

Operator Interface D6190-6.5.1RU CONTROLVIEW CORE USER MANUAL (RUSSIAN)

Support 9356-STD2200S SUPT RENEWAL CONTRACT FOR 9356STD2200

Support 1789-L60S SUPT RENEWAL CONTRACT FOR 1789L60

EtherNet/IP Products 9355-WABENE RSLINX PROFESSIONAL - ENGLISH

RSI Software Products 9301-2SE3500JPU5 RSVIEW32 RUNTIME 5K-100K UPGRADE IN-SUPT (JP)

RSI Software Products 9356-SQLSAP225U1 UPGRADE: IN-SUPT: RSSQL GATEWAY SAP TO SAP PLUS

Motion Control TL-A120P-BJ32AA MOTOR, SERVO, 0.18NM, 5000RPM, 17BIT SERIAL FEEDBA

44A736310-001R01 Hand-Held Monitor In-Line Port

IC200CBL550 Communications cable (RJ-45 to DB-9 pin RS-232, 2 Meters) between VersaMax Micro/Nano and VersaMax DP 20 only

IC694DSM324 DSM324i 4-axis motion controller for the RX3i

MSI-UNIV-WEB Universal Web Client(RTIP / Dashboard / Web / Excel Addin)

VSPC32-MAN Printed Manuals for VisualSPC.

20BD034A0NYNADA0 PowerFlex 700 AC Drive 34 A at 25 Hp 20B

20G11GC5P0JA0NNNNN PowerFlex 755 AC Packaged Drive

22D-B5P0H204 PowerFlex 40P 0.75 kW (1 Hp) AC Drive

140CRA21120 Quantum DIO站适配器和电源,24VDC,独立,3A,单电缆

290D-FAZ-G1 Direct Online Starter

热电偶/PT100输入，电压脉冲输出，3个报警

1492-SPM2B320 MCB Supplementary Protector 32 A

软启动器 3RW30171BB04

电机启动器 3VU16401LS00