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Programming Devices Section 3-6
Restrictions when Using Support Software
Serial Communications
Mode Characteristics
The two following serial communications modes are supported for connecting
Support Software to the PC.
Item CX-Programmer
V1.2 or later
SYSMAC-CPT SYSMAC Support Software (SSS)
PC model Select CQM1H. Select CQM1-CPU43-E. Select CQM1.
CPU Unit models
that are not
supported
None The CQM1H-CPU61 CPU Unit
cannot be used. (An error message
will appear when you attempt to
connect.)
The CQM1H-CPU11/21/51 CPU
Units can be used.
The CQM1H-CPU61 CPU Unit
cannot be used. (An error message
will appear when you attempt to
connect.)
The CQM1H-CPU11/21/51 CPU
Units can be used.
Instructions that
cannot be used
None The following instructions are not
supported by the CQM1 CPU Units
and cannot be used on the
SYSMAC-CPT. If an attempt is made
to transfer a program containing any
of them to the SYSMAC-CPT, an
error will occur.
Timer Instructions
TTIM
Serial Communications Instructions
PMCR and STUP
Network Communications
Instructions
SEND, RECV, and CMND
Floating-point Instructions
FIX, FIXL, FLT, FLTL, +F, –F, *F, /F,
DEG, RAD, SIN, COS, TAN, ASIN,
ACOS, ATAN, SQRT, EXP, and LOG
The following instructions can be
used on the SSS by transferring
them to the SSS from the
CQM1H-series CPU Unit as
expansion instructions. Use the
transfer operation for expansion
instructions under the expansion
functions menu.
Network Communications Instruc-
tions
CMND
Floating-point Instructions
FIX, FIXL, FLT, FLTL, +F, –F, *F, /F,
DEG, RAD, SIN, COS, TAN, ASIN,
ACOS, ATAN, SQRT, EXP, and LOG
Other instructions that are new on
the CQM1H (in respect to the
CQM1) can be used without
transferring them as expansion
instructions.
Memory displays Displayed for
CQM1H.
Memory will be displayed for the
CQM1-CPU43, i.e., to a maximum of
7.2 Kwords.
Memory will be displayed for the
CQM1 CPU Units, i.e., to a maxi-
mum of 7.2 Kwords.
DM verification None With the CQM1H-CPU11/21, the
error message “Verification Error”
will be displayed if a verification
check results in a value other than
“0000” for any data in DM 3072 to
DM 6143 of the CPU Unit.
Cannot be used.
(A communications error will be
generated the PC will be offline.)
Serial Communications
Mode
Features
Peripheral bus High-speed communications are possible. Usually, this
mode should be used when connecting with
CX-Programmer.
Only 1:1 connection is supported.
Host Link (SYSMAC WAY) Basic protocol for communications with a host
computer.
Communications speed lower than peripheral bus.
One-to-one or one-to-many communications are
possible.
Connections to a modem or Optical Link Adapter are
possible.
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