Instruction Manual
Logic Functions - Book 1
MODCELL SERIAL COMMUNICATION BLOCK
4-36
4.3.5 Using the Modcell Serial Communication Block
A Modbus Reference File, similar to the following file, is created for each MSC block that
exists in the database. Notice that an entry of NONE within a list block uses one register
location (point) and that some data types in the Multiple Register Read/Write and Read only
lists use more than one register location.
MSC2
DISCRETE READ/WRITE LIST 1
CL10
POINT LSP DATA TYPE
00001 D0M1,RSC DISCRETE
00002 NONE
00003 D0M3,RSC DISCRETE
00004 D0M4,RSC DISCRETE
00005 NONE
00006 NONE
00007 D0M7,RSC DISCRETE
00008 D0M8,RSC DISCRETE
00009 NONE
00010 NONE
DISCRETE READ/WRITE LIST 2
NO LIST SPECIFIED
DISCRETE READ/WRITE LIST 3
NO LIST SPECIFIED
DISCRETE READ/WRITE LIST 4
NO LIST SPECIFIED
DISCRETE READ/WRITE LIST 5
NO LIST SPECIFIED
DISCRETE READ ONLY LIST 1
CL11
POINT LSP DATA TYPE
10001 EX2,I1 DISCRETE
10002 EX2,I2 DISCRETE
10003 EX2,I3 DISCRETE
10004 EX2,I4 DISCRETE
10005 EX2,I5 DISCRETE
10006 EX2,I6 DISCRETE
10007 EX2,I7 DISCRETE
10008 EX2,I8 DISCRETE
10009 EX2,I9 DISCRETE
10010 EX2,I10 DISCRETE
10011 NONE
10012 NONE
DISCRETE READ ONLY LIST 2
NO LIST SPECIFIED
DISCRETE READ ONLY LIST 3
NO LIST SPECIFIED
DISCRETE READ ONLY LIST 4
NO LIST SPECIFIED
DISCRETE READ ONLY LIST 5
NO LIST SPECIFIED
Occurrence number of the
configured list specified in
the MSC Edit Block Display
(page 2) for Discrete
Read/Write Memory, List 1.
Listing of all LSPs that
were configured in the
specified CL, including
their data types and point
locations.
No CLs were specified for
Discrete Read/Write
Memory Lists 2 through 5.
Occurrence number of the
configured list specified in
the MSC Edit Block Display
(page 2) for Discrete Read
Only Memory, List 1.
Each entry of NONE in a
specified CL (or ML) uses
one point location
(
re
g
ister
)
.
CLs specified in Discrete
Read/Write or Read Only lists
must be configured and have
a buffer allocated. Nested
lists are not allowed.
All LSPs in the specified CL
must be of Discrete data type
or NONE.