如何做网站对话框,卖保健品可以自己做网站卖吗,深圳交易服务中心官网,网址导航浏览器硬件设备
本实验中使用到的设备如下#xff1a;
1、S7-200 Smart SR20 PLC
作为受控设备#xff0c;执行机构。
S7-200 Smart是西门子的一款小型PLC产品#xff08;以下简称Smart系列#xff09;。
Smart系列PLC是西门子公司经过大量调研#xff0c;为中国小型自动化…硬件设备
本实验中使用到的设备如下
1、S7-200 Smart SR20 PLC
作为受控设备执行机构。
S7-200 Smart是西门子的一款小型PLC产品以下简称Smart系列。
Smart系列PLC是西门子公司经过大量调研为中国小型自动化市场量身打造的一款PLC产品。与西门子S7-1200系列相比Smart系列不支持博途开发环境使用STEP 7-MicroWIN SMART编程、不支持Profinet通信但支持Profibus最多能扩展6个信号模块EM和1个信号板SB。
S7-200 SMART PLC 主要性能参数 V2.3如下图 2、串口服务器 USR-TCP232-410s
将PLC的485 串口信号转成网络信号接入局域网 产品参数如下 3、单板机Orange Pi 3 LTS
运行EPICS IOC运行上位控制程序。 4、串口线 软件部分
1、PLC上编程
初始化PLC为从设备设置其工作模式为modbus rtu, 地址为3波特率为115200使用PLC自带串口无延时最大IO个数为256最大模拟量为56个字V存储器是从VB2000开始的100个字 一直使能这个从设备 2、串口服务器部分
通过浏览器设置串口服务器的IP地址为自己所需的地址 设置RS485端口的串口参数需要和PLC设置的参数保持一致以及访问此RS485所需的端口号: 3、单板机部分
安装操作系统和所需的EPICS模块
1 操作系统
Distributor ID: Ubuntu
Description: Ubuntu 22.04.2 LTS
Release: 22.04
Codename: jammy
2所需安装的EPICS 模板
由于EPICS模块之间的依赖关系需要以下4个模块
base, seq , ipac ,asyn, modbus 4、IOC建立过程
先创建一个项目目录在其下用makeBaseApp工具创建一个IOC应用程序的框架编辑configure/RELEASE文件添加本IOC依赖的模块在程序src下Makefile中添加所依赖的库文件和源文件 在Db文件下添加模板文件
configure/RELEASE
...
SUPPORT/usr/local/EPICS/synApps/support# If using the sequencer, point SNCSEQ at its top directory:
#SNCSEQ $(MODULES)/seq-ver
ASYN$(SUPPORT)/asyn
MODBUS$(SUPPORT)/modbus
AUTOSAVE$(SUPPORT)/autosave...
xxxApp/src
....sr20smart_DBD asyn.dbd
sr20smart_DBD drvAsynIPPort.dbdsr20smart_DBD modbus.dbd
sr20smart_DBD asSupport.dbd# Include dbd files from all support applications:
# #sr20smart_DBD xxx.dbd
#
# # Add all the support libraries needed by this IOC
#sr20smart_LIBS xxx
sr20smart_LIBS asyn
sr20smart_LIBS modbus
sr20smart_LIBS autosave...
xxxApp/Db
bi_bit.template用于按位读取PLC的输入输出点。
record(bi,$(P)$(R)$(D)$(M)_$(N)) {field(DTYP,asynUInt32Digital)field(INP,asynMask($(PORT) $(OFFSET) 0x1))field(SCAN,$(SCAN))field(ZNAM,$(ZNAM))field(ONAM,$(ONAM))field(ZSV,$(ZSV))field(OSV,$(OSV))
}
bo_bit.template用于按位写PLC的输出点。
record(bo,$(P)$(R)Q$(M)_$(N)) {field(DTYP,asynUInt32Digital)field(OUT,asynMask($(PORT) $(OFFSET) 0x1))field(ZNAM,$(ZNAM))field(ONAM,$(ONAM))
} longin_int16.template用于按字读取PLC的V存储器以及模拟输入映像区并且转成16位整数。
record(longin,$(P)$(R)$(T)_$(M)) {field(DTYP,asynInt32)field(INP,asyn($(PORT) $(OFFSET))$(DATA_TYPE))field(SCAN, $(SCAN))
}
longoutInt16.template 用于把16位整数按字写入PLC的V存储器。
record(longout,$(P)$(R)$(T)_$(M)) {field(DTYP,asynInt32)field(OUT,asyn($(PORT) $(OFFSET))$(DATA_TYPE))
}float32_in.template用于按双字读取PLC的V存储区并且转成32位浮点数。
record(ai, $(P)$(R)$(T)_$(M)) {field(DTYP,asynFloat64)field(INP,asyn($(PORT) $(OFFSET))$(DATA_TYPE))field(HOPR,$(HOPR))field(LOPR,$(LOPR))field(PREC,$(PREC))field(SCAN,$(SCAN))
}
float32_out.template用于将32位浮点数按双字写入到PLC的V存储器。
record(ao, $(P)$(R)$(T)_$(M)O) {field(DTYP,asynFloat64)field(OUT,asyn($(PORT) $(OFFSET))$(DATA_TYPE))field(HOPR,$(HOPR))field(LOPR,$(LOPR))field(PREC,$(PREC))
}
回到此IOC的顶层目录编译以上代码生产IOC程序。 5、编辑启动目录添加模板替换文件编辑启动脚本st.cmd:
1添加的实例化文件如下
1qb.substitutions实例化8个bo记录用于写分别写一个位到PLC的输出点Q0.0~Q0.7
file ../../db/bo_bit.template { pattern
{P, R, M, N, PORT, OFFSET, ZNAM, ONAM}
{SR20SMART:, BIT:, 0 0 QB0, 0, Low, High}
{SR20SMART:, BIT:, 0 1 QB0, 1, Low, High}
{SR20SMART:, BIT:, 0 2 QB0, 2, Low, High}
{SR20SMART:, BIT:, 0 3 QB0, 3, Low, High}
{SR20SMART:, BIT:, 0 4 QB0, 4, Low, High}
{SR20SMART:, BIT:, 0 5 QB0, 5, Low, High}
{SR20SMART:, BIT:, 0 6 QB0, 6, Low, High}
{SR20SMART:, BIT:, 0 7 QB0, 7, Low, High}
}
2 qb_rbv.substitutions实例化8个bi记录用于读取分别读取一个位到PLC的输出点Q0.0~Q0.7
file ../../db/bi_bit.template { pattern
{P, R, D, M, N, PORT, OFFSET, ZNAM, ONAM, ZSV, OSV, SCAN}
{SR20SMART:, BIT:, Q, 0, 0_RBV, QB0_RBV, 0, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, Q, 0, 1_RBV, QB0_RBV, 1, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, Q, 0, 2_RBV, QB0_RBV, 2, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, Q, 0, 3_RBV, QB0_RBV, 3, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, Q, 0, 4_RBV, QB0_RBV, 4, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, Q, 0, 5_RBV, QB0_RBV, 5, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, Q, 0, 6_RBV, QB0_RBV, 6, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, Q, 0, 7_RBV, QB0_RBV, 7, Low, High, NO_ALARM, MAJOR, I/O Intr}
}3ib.substitutions实例化8个bi记录用于读取分别读取一个位到PLC的输出点I0.0~I0.7
file ../../db/bi_bit.template { pattern
{P, R, D, M, N, PORT, OFFSET, ZNAM, ONAM, ZSV, OSV, SCAN}
{SR20SMART:, BIT:, I 0 0 IB0_1, 0, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, I 0 1 IB0_1, 1, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, I 0 2 IB0_1, 2, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, I 0 3 IB0_1, 3, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, I 0 4 IB0_1, 4, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, I 0 5 IB0_1, 5, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, I 0 6 IB0_1, 6, Low, High, NO_ALARM, MAJOR, I/O Intr}
{SR20SMART:, BIT:, I 0 7 IB0_1, 7, Low, High, NO_ALARM, MAJOR, I/O Intr}
}
4) int.substitutions实例化2个longin记录第一个实例将从PLC模拟输入区或V存储区读取的一个字转换成16位有符号数第二个实例将从PLC模拟输入区或V存储区读取的一个字转换成16位无符号数。
file ../../db/longin_int16.template { pattern
{P, R, T, M PORT, OFFSET, DATA_TYPE , SCAN}
{SR20SMART:, INT, 16, I0, VW, 0 , INT16 , I/O Intr}
{SR20SMART:, UINT, 16, UI0, VW, 1 , UINT16 , I/O Intr}
}
5into.substitutions实例化2个longout记录第一个实例将16位有符号数按字写入到PLC的V存储区第一个实例将16位无符号数按字写入到PLC的V存储区。
file ../../db/longoutInt16.template { pattern
{P, R, T, M, PORT, OFFSET, DATA_TYPE}
{SR20SMART:, INT 16, IO, VWO, 0, INT16}
{SR20SMART:, UINT 16, UIO, VWO, 1, UINT16}
}
6 float.substitutions实例化2个ai记录这两个实例将分别从PLC模拟输入区或V存储区读取的二个字转换成32位浮点数。
file ../../db/float32_in.template { pattern
{P, R, T, M, PORT, OFFSET, DATA_TYPE , HOPR, LOPR, , PREC ,SCAN}
{SR20SMART:, FLOAT, 32: F00 VW, 2 ,FLOAT32_BE , 1000, -1000, ,3 , I/O Intr}
{SR20SMART:, FLOAT, 32: F01 VW, 4 ,FLOAT32_BE , 1000, -1000, ,3 , I/O Intr}
}
7实例化2个ao记录这两个实例将分别将32位浮点数按双字写入到PLC的V存储区
file ../../db/float32_out.template { pattern
{P, R, T, M, PORT, OFFSET, DATA_TYPE , HOPR, LOPR, , PREC}
{SR20SMART:, FLOAT, 32: F00 VWO, 2 ,FLOAT32_BE , 1000, -1000, ,3 }
{SR20SMART:, FLOAT, 32: F01 VWO, 4 ,FLOAT32_BE , 1000, -1000, ,3 }
}
2 编辑st.cmd文件
#!../../bin/linux-x86_64/sr20smart#- You may have to change sr20smart to something else
#- everywhere it appears in this file envPathscd ${TOP}## Register all support components
dbLoadDatabase dbd/sr20smart.dbd
sr20smart_registerRecordDeviceDriver pdbbasedrvAsynIPPortConfigure(sr20smart,192.168.3.209:6666,0,0,1)
modbusInterposeConfig(sr20smart,1 ,2000,0)# func code 5 按位写线圈
drvModbusAsynConfigure(QB0, sr20smart, 3, 5, 0, 8 , 0, 100, QB0)
# func code 1 按位读线圈
drvModbusAsynConfigure(QB0_RBV, sr20smart, 3, 1, 0, 8 , 0, 200, QB0_RBV)# func code 2 按位读取离散输入
drvModbusAsynConfigure(IB0_1, sr20smart, 3, 2, 0, 8 , 0, 200, IB0_1)# func code 3 按字读取保持寄存器
drvModbusAsynConfigure(VW, sr20smart, 3, 3, 0, 20 , 0, 200, VW)# func code 4 按字读取输入寄存器
drvModbusAsynConfigure(AWI, sr20smart, 3, 4, 0, 10 , 0, 200, AWI)# func code 6 按字写入保持寄存器
drvModbusAsynConfigure(VWO, sr20smart, 3, 6, 0, 20 , 0, 200, VWO)cd ${TOP}/iocBoot/${IOC}
dbLoadTemplate(qb.substitutions)
dbLoadTemplate(qb_rbv.substitutions)
dbLoadTemplate(ib.substitutions)dbLoadTemplate(int.substitutions)
dbLoadTemplate(float.substitutions)
dbLoadTemplate(floato.substitutions)
dbLoadTemplate(into.substitutions)iocInitIOC程序启动以及测试
在IOC启动目录下程序启动命令../../bin/linux-aarch64/sr20smart st.cmd
dbl查看所有加载的记录。
rootorangepi3-lts:/usr/local/EPICS/program/sr20smart/iocBoot/iocsr20smart# ../../bin/linux-aarch64/sr20smart st.cmd
#!../../bin/linux-x86_64/sr20smart
...
iocInit
Starting iocInit
############################################################################
## EPICS R7.0.7
## Rev. 2023-06-25T15:500000
## Rev. Date build date/time:
############################################################################
iocRun: All initialization complete
## Start any sequence programs
#seq sncxxx,userblctrl
epics dbl
SR20SMART:FLOAT32:_F00
SR20SMART:FLOAT32:_F01
SR20SMART:FLOAT32:_F00O
SR20SMART:FLOAT32:_F01O
SR20SMART:BIT:Q0_0_RBV
SR20SMART:BIT:Q0_1_RBV
SR20SMART:BIT:Q0_2_RBV
SR20SMART:BIT:Q0_3_RBV
SR20SMART:BIT:Q0_4_RBV
SR20SMART:BIT:Q0_5_RBV
SR20SMART:BIT:Q0_6_RBV
SR20SMART:BIT:Q0_7_RBV
SR20SMART:BIT:I0_0
SR20SMART:BIT:I0_1
SR20SMART:BIT:I0_2
SR20SMART:BIT:I0_3
SR20SMART:BIT:I0_4
SR20SMART:BIT:I0_5
SR20SMART:BIT:I0_6
SR20SMART:BIT:I0_7
SR20SMART:BIT:Q0_0
SR20SMART:BIT:Q0_1
SR20SMART:BIT:Q0_2
SR20SMART:BIT:Q0_3
SR20SMART:BIT:Q0_4
SR20SMART:BIT:Q0_5
SR20SMART:BIT:Q0_6
SR20SMART:BIT:Q0_7
SR20SMART:INT16_I0
SR20SMART:UINT16_UI0
SR20SMART:AINT16_I0
SR20SMART:AUINT16_UI0
SR20SMART:INT16_IO
SR20SMART:UINT16_UIO1bo记录SR20SMART:BIT:Q0_0 ~ SR20SMART:BIT:Q0_7用于设置PLC Q0.0~Q0.7。
2bi记录SR20SMART:BIT:Q0_0_RBV ~ SR20SMART:BIT:Q0_7_RBV用于读取PLC Q0.0~Q0.7的状态。
3bi记录SR20SMART:BIT:I0_1~SR20SMART:BIT:I0_7用于读取PLC I0.0~I0.7的状态。
4) longin记录SR20SMART:INT16_I0和SR20SMART:UINT16_UI0用于读取V存储区VW2000,VW2002。
5longin记录SR20SMART:AINT16_I0和SR20SMART:AUINT16_UI0用于读取模拟量输入寄存器AIW0和AIW2。
6bo记录SR20SMART:INT16_IO和SR20SMART:UINT16_UIO用于写入V存储区VW2000,VW2002。
7ai记录SR20SMART:FLOAT32:_F00和SR20SMART:FLOAT32:_F01用于读取V存储区VD2004和VD2008。
8) ao记录SR20SMART:FLOAT32:_F00O和SR20SMART:FLOAT32:_F01O写入V存储区VD2004和VD2008。 测试
用STEP7 Micro/Win SMART状态表设置V存储区如下 用通道访问进行读取
# VW2000
orangepiorangepi5:~$ caget SR20SMART:INT16_I0
SR20SMART:INT16_I0 -12345
# VW2002
orangepiorangepi5:~$ caget SR20SMART:UINT16_UI0
# VD2004
SR20SMART:UINT16_UI0 22222
orangepiorangepi5:~$ caget SR20SMART:FLOAT32:_F00
SR20SMART:FLOAT32:_F00 3.1415
# VD2008
orangepiorangepi5:~$ caget SR20SMART:FLOAT32:_F01
SR20SMART:FLOAT32:_F01 0.1111
# AIW0
orangepiorangepi5:~$ caget SR20SMART:AINT16_I0
SR20SMART:AINT16_I0 -2000
# AIW2
orangepiorangepi5:~$ caget SR20SMART:AUINT16_UI0
SR20SMART:AUINT16_UI0 2000用通道访问写更改Q和V存储区
# Q0.0
orangepiorangepi5:~$ caput SR20SMART:BIT:Q0_1 0
Old : SR20SMART:BIT:Q0_1 High
New : SR20SMART:BIT:Q0_1 Low
# Q0.1
orangepiorangepi5:~$ caput SR20SMART:BIT:Q0_0 0
Old : SR20SMART:BIT:Q0_0 High
New : SR20SMART:BIT:Q0_0 Low
# VW2000
orangepiorangepi5:~$ caput SR20SMART:INT16_IO -6666
Old : SR20SMART:INT16_IO 0
New : SR20SMART:INT16_IO -6666
# VW2002
orangepiorangepi5:~$ caput SR20SMART:UINT16_UIO 8888
Old : SR20SMART:UINT16_UIO 0
New : SR20SMART:UINT16_UIO 8888
# VD2004
orangepiorangepi5:~$ caput SR20SMART:FLOAT32:_F00O 1.2345
Old : SR20SMART:FLOAT32:_F00O 0
New : SR20SMART:FLOAT32:_F00O 1.2345
# VW2008
orangepiorangepi5:~$ caput SR20SMART:FLOAT32:_F01O 5.4321
Old : SR20SMART:FLOAT32:_F01O 0
New : SR20SMART:FLOAT32:_F01O 5.4321从STEP7 Micro/Win SMART状态表查看相应的存储区 结论
通过EPICS modbus模块通过modbus rtu协议能够实现对PLC输入映像区和模拟输入区的读取和对输出映像区和V存储器的读写。
