串行打印机Serial printer

问题描述

您好，我在哪里可以找到如何使用串行打印机S7 1200的信息？

Hello where can I find information on how to use a serial printer S7 1200?

如何将字符串发送到打印机？他需要特殊司机吗？

How do I send a string of characters to the printer? He needs special drivers?

谢谢

Thanks

推荐答案2

你好

Hi,

看看这些示例程序：

take a look at these sample programs:

/tf/WW/en/职位/40617

/tf/WW/en/Posts/40617

如果与超级终端一起工作，应该很容易适应您的情况。。。

If works with a hyper terminal, it should be easy to adapt to your case...

推荐答案3

PC和PLC之间的电缆配置必须为Nullmodem或Fullmodem？

the configuration of the cable between PC and PLC must be Nullmodem or Fullmodem?

谢谢

Thanks

推荐答案4

这取决于您的打印机。只需检查引脚，确保传输到另一个设备上的接收器，反之亦然。

That would depend on your printer. Just check the pin-outs and ensure the transmit goes to the receive on the other device and vice versa.

如果打印机需要硬件握手，您可能需要一个介于PLC和打印机之间的设备来处理。

If your printer needs hardware handshaking, you may need a device in between (PLC and printer)to handle that for you.

推荐答案5

原则上，3线电缆（Rx、Tx和Gnd）。但有时调制解调器的使用和完整性：取决于-将是硬件或软件流控制（打印）

In principle, a 3-wire cable (Rx, Tx and Gnd). But sometimes the use and full modem: it depends on - will be hardware or software flow control (print)

推荐答案6

推荐答案7

你好

Hi,

检查打印机供应商，是否有传输结束的特殊字符或类似字符。

check if the printer supplier, if there is some spetial character for end of transmission or some like it.

否则，选项是在字符串末尾用空格“填充”字符串。。。

Else the option is to "fill" the string with spaces at its ends...

推荐答案8

你好

Hello.

我正在尝试使用PTP_send从数据库发送字符串。

I'm trying to send strings from a DB using PTP_SEND.

该问题还发送了2个字节的链起点。

The problem is also sent 2 bytes start of the chain.

“表12-22”中的手册说

The manual in the "Table 12-22," says

“STRING/THENGTH参数包含

"STRING / The LENGTH parameter contains the number of characters to be

变送器。仅传输字符串的字符。最大值

Transmitter. Only the characters of the String are Transmitted. The maximum

不传输字符串的当前字节和长度字节。"

current and length bytes of the string are not Transmitted. "

我怎么能修好它？

How I can fix it?

非常感谢你

thank you very much

推荐答案9

对不起，我的英语不好，也许我误解了你的问题，但发送到串口的数据，Arrey来自哪里？

Excuse my bad English, maybe I misunderstood your question, but the data sent to the serial port, Arrey come from?

推荐答案10

参见示例

see example

推荐答案11

“发送到串口的数据，Arrey来自哪里？”

"the data sent to the serial port, Arrey come from?"

来自数据库中的字符串值。

From A string value in a DB.

在您的示例中，使用char数组的DB是可以的，但我想发送更多的字符。

In your example the DB with array of char is ok, but i want to send much more characters.

ex:string in db:'打印第一行$R$L打印第二行。$R$L’

ex: string in db : 'Print first line.$R$LPrint second line.$R$L'

获取：

Get :

#▲打印第一行。

#▲Print first line.

打印第二行。

Print second line.

(#▲ 可能是其他人只是为了解释。）

(#▲ may be others is only for explain.)

字符串的最大长度和实际长度的两个字节被发送到端口。

The two bytes with MAX LENGHT & ACTUAL LENGHT of the string was sent to the port.

但系统手册中另有说明。

But the system manual say otherwise.

（在CPU 1214 DCDCDC v1.0中）

(in CPU 1214 DCDCDC v1.0)

推荐答案12

前两个字符是字符串缓冲区的长度和最大长度。

Those first two characters are the length and max length for the string buffer.

查看常见问题解答，了解指向字符串缓冲区第三个内存位置的指针的方法。这是实际输出的开始。对于包含字符串缓冲区的数据库，需要关闭符号寻址，以便直接指向缓冲区第3个字符的起始字节。

Look at the FAQs for ways to refer to a pointer to the 3rd memory location of the string buffer. That is the start of your actual output. Symbolic addressing needs to be turned off for the DB containing your string buffer so you can point directly to the starting byte of the 3rd character of the buffer.

假设您的数据库只有字符串缓冲区，因此它从字节0开始。第一个可打印字符位于字节2。

Assume your DB only has the string buffer, so it starts at Byte 0. The first printable character is at Byte 2.

我认为它看起来像P#DB1.DBX2.0 BYTE 42

I think it looks like P#DB1.DBX2.0 BYTE 42

它指向DB1，从第2个字节开始，发送42个字节。我将其放入SEND_PTP缓冲区输入，并用于RS485模块。我怀疑它对RS232模块也会起同样的作用。调整DB#、起始偏移量和长度以适合您的应用程序。

It points to DB1, starting at 2nd byte, sending 42 bytes. I put this in the SEND_PTP buffer input and works for RS485 module. I suspect it will work the same for RS232 module. Adjust the DB #, starting offset, and length to suit your application.

发布您的结果！

Post your results!

推荐答案13

它工作得很好。

It works fine.

应注意长度=0

It should be noted LENGTH = 0

非常感谢你。

Thank you very much.

推荐答案14