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Supported device types and versions  
Communication line configuration
Station configuration
I/O tag configuration
Document revisions

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Supported device types and versions

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The protocol Allen-Bradley CSP/PCC PCCC protocol supports communication with the Allen-Bradley devices of the SLC-500 series through using a TCP connection.
It also supports communication via the DF1 gateway with SLCs that communicate via DH+ or DH485.
Communication was tested e.g. with the following SLC:

  • SLC 5/05 1747-L551/C Ethernet Processor
  • SLC 5/05 1747-L552/C Ethernet Processor
  • SLC 5/05 1747-L553/C Ethernet Processor

Note: PCCC message encapsulation is also supported within the Ethernet/IP Protocol (communication with MicroLogix 1100 or SLC 5/05 1747-L553/C Ethernet Processor)

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Communication line configuration

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  • Communication line category: TCP/IP-TCP.
  • The default TCP port for the Allen-Bradley CSP/PCCC protocol is 2222.

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Station configuration

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  • Communication protocol: "Allen-Bradley CSP/PCCPCCC".
  • Station The station address is not configured.

Station protocol parameters

Dialog window station configuration - tab "Protocol parameters".
They influence some optional protocol parameters. The following station protocol parameters can be entered:

ParameterDescriptionUnitDefault Value
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rwt
rwt
Response Wait Timeout
Timeout to receive a response from PLC.s1.000
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rc
rc
Retry Count
Number
The number of the request retries in case of a communication failure.-3
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dst
dst
Destination Node Address
If using a DF1 gateway, the node address of the destination device
in question (e.g. on
(node) on a DH+ or DH485
node)
bus. If the DF1 gateway is not in use, the default value of 0 must be used.-0
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br
br
Block Read
Activates the block reading mode (
types
for Integer, Binary, Status, Float, Timer
a
, and Counter types).
Types
Input and Output types don't support block reading mode.YES/NONO
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bl
bl
Max. Block Length
Maximum block size (2-255 bytes) if a block reading mode is active.bytes40
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fd
fd
Full Debug
Activates detailed listings about sending and receiving values.-False

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I/O tag configuration

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Possible I/O tags: Ai, Ao, Ci, Co, Di, Dout.

The address of the I/O tag is a text in a format an SLC-500 format. The address format is:

[$] X [file] : element [.field] [/bit]

Explanatory notes:

$- optional character
X- file identifier (required - see Table 2)
file- file number (optional, if it is empty, the default file number is used - see Table 2)
element- element number in the file (required)
.field- number of sub-element (optional, it is used only for Output, Input files)
/bit- bit number (optional, it must be in the range of 0..15)

Table 2

XFile TypeDefault file number (file)
OOutput0
IInput1
SStatus2
BBinary3
TTimer4
CCounter5
NInteger7
FFloat8

File type - Output

[$]O[n]:e[.s][/b]

"n" - the file number, if there is used other than it is different from the default number 0,
"e" - the number of an element in a file,
"s" - the number of a sub-element (0..255),
"b" - the bit number (0..15).

Example:

O:2
$O0:2/0
O:1.0/1

Note: The files of the Output type are read-only.


File type - Input

[$]I[n]:e[.s][/b]

"n" - the file number, if there is used other than it is different from the default number 1,
"e" - the number of an element in file,
"s" - the number of a sub-element (0..255),
"b" - the bit number (0..15).

Example:

I:1
$I1:2/0
I:2.0/15

Note: The files of Input type are read-only.


File type - Status

[$]S[n]:e[/b]

"n" - the file number, if there is used other than it is different from the default number 2,
"e" - the number of an element in file,
"b" - the bit number (0..15).

Example:

S:0
$S2:40
S:2/15

Note: As regards for the files of Status type, data can not be written bit-by-bit (input tags with the parameter [/b]).


File type Binary

[$]B[n]:e[/b]

"n" - the file number, if there is used other than it is different from the default number 3,
"e" - the number of an element in file,
"b" - the bit number (0..15).

Example:

B:2
$B3:0
B3:2/1


File type - Timer

[$]T[n]:e[/b]

"n" - the file number, if there is used other than it is different from the default number 4,
"e" - the number of an element in file,
"b" - an optional prefix /EN, /TT, /DN (bit values) or /PRE, /ACC (integer values).

Example:

T:2
$T4:0/ACC


File type - Counter

[$]C[n]:e[/b]

"n" - the file number, if there is used other than it is different from the default number 5,
"e" - the number of an element in file,
"b" - an optional prefix /DN, /CU, /CD, /OV, /UN, /UA (bit values) or /PRE, /ACC (integer values).

Example:

C:17
$C5:34/DN


File type - Integer

[$]N[n]:e[/b]

"n" - the file number, if there is used other than it is different from the default number 7,
"e" - the number of an element in file,
"b" - the bit number (0..15).

Example:

N7:2
$N:0
N27:0/1


File type - Float

[$]F[n]:e

"n" - the file number, if there is used other than it is different from the default number 78,
"e" - the number of an element in file.

Example:

F:0
$F8:0
F29:1

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Document revisions

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  • Ver. 1.0 - July 12th, 2017 - Document creation.

Info
titleRelated pages:

Communication protocols

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