
Libraries
9.4 Open user communication library
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
525
Error code
Description
C
O
N
N
E
C
T
S
E
N
D
R
E
C
V
D
I
S
C
O
N
N
E
C
T
17
No connection resource is available. All connections of
the requested type (active/passive) are in use.
X
18
The local or remote port number is reserved or the port
number is already in use for another server (passive)
connection.
X
19
One of the following IP address errors have occurred:
•
The IP address is invalid (for example, address
0.0.0.0).
•
This IP address is the IP address of this CPU.
•
This CPU has IP address 0.0.0.0.
•
The IP address is a broadcast or multicast address.
X
20
A local or remote TSAP error (ISO-on-TCP only)
X
21
An invalid connection ID (65535 is reserved)
X
24
There is no operation pending so there is no status to
report.
X
X
25
The receive buffer is too small: The CPU received more
bytes than the buffer length supports. The CPU discards
the extra bytes.
X
31
Unknown error. Disconnect and reconnect to fix the prob-
lem.
X
X
X
X
9.4.4
Open user communication library example
Note
The CPU models CPU CR20s, CPU CR30s, CPU CR40s, and CPU CR60s have no
Ethernet port and do not support any functions related to the use of Ethernet
communications.
Содержание SIMATIC S7-200
Страница 30: ...Product overview 1 7 Programming software S7 200 SMART 30 System Manual V2 3 07 2017 A5E03822230 AF ...
Страница 267: ...Program instructions 7 6 Counters S7 200 SMART System Manual V2 3 07 2017 A5E03822230 AF 267 HSC modes 3 and 4 ...
Страница 394: ...Program instructions 7 18 Subroutine S7 200 SMART 394 System Manual V2 3 07 2017 A5E03822230 AF ...
Страница 425: ...Communication 8 5 PROFIBUS S7 200 SMART System Manual V2 3 07 2017 A5E03822230 AF 425 ...
Страница 786: ...Technical specifications A 11 S7 200 SMART cables S7 200 SMART 786 System Manual V2 3 07 2017 A5E03822230 AF ...
Страница 798: ...Error codes C 4 PLC fatal error codes S7 200 SMART 798 System Manual V2 3 07 2017 A5E03822230 AF ...
Страница 848: ...Ordering information F 6 Human Machine Interface devices S7 200 SMART 848 System Manual V2 3 07 2017 A5E03822230 AF ...