Siemens SIMATIC S7-400 CP 440 Installation And Parameter Assignment page 71

Parameters Description
Monitoring time for The character delay time is used as
missing end ID the monitoring time for a missing end
code. This applies to the following
settings for the end code
On Receipt of Fixed Number of
•
Characters
On Receipt of End Character
•
End-of-text First end code.
character 1
(1)
End-of-text Second end code, if specified.
character 2
(1)
You can configure the following for the
end code:
1stend code AND 2nd end code
•
1st end code OR 2nd end code
•
Message frame When the end criterion is "fixed
length when message frame length", the number of
received bytes making up a message frame is
(1)
defined.
Transmission pause A pause equal to the length of the
between the monitoring time (for a missing end ID)
messages related to is inserted between two message
the monitoring time frames when sending so that the
partner can synchronize (detect receipt
of the message frame).
Can only be set if the end criterion is an end-of-text character.
(1)
Depending on whether you set 7 or 8 data bits for the character frame.
(2)
Point-to-point connection CP 440 Installation and Parameter Assignment
Manual, 09/2007, A5E00057742-03
www.gkbpx.com
Configuring and Parameter Assignment the CP 440
Value Range
Baud
300
•
600
•
1200
•
2400
•
4800
•
9600
•
19200
•
38400
•
57600
•
76800
•
115200
•
with 7 data bits:
•
0 to 7FH (Hex)
8 data bits:
•
0 to FFH (Hex)
with 7 data bits:
•
0 to 7FH (Hex)
with 8 data bits:
•
0 to FFH (hex)
1 to 400 (bytes)
Yes
•
No
•
5.4 Configuration data
Default Value
Character
delay time
(ms)
130
•
65
•
32
•
16
•
8
•
4
•
2
•
1
•
1
•
1
•
1
•
3 (03H = ETX)
(2)
(2)
0
(2)
(2)
200
Yes
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