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PLC Comparison Charts
Item
Serial
RECEIVE
Communi-
cations
Instruc-
tions
RECEIVE VIA
SERIAL COM-
MUNICATIONS
UNIT
TRANSMIT
TRANSMIT VIA
SERIAL COM-
MUNICATIONS
UNIT
CHANGE
SERIAL PORT
SETUP
PROTOCOL
MACRO
PCMCIA CARD
MACRO
Network
NETWORK
Instruc-
SEND/NET-
tions
WORK RECEIVE
DELIVER COM-
MAND
EXPLICIT MES-
SAGE SEND
EXPLICIT GET
ATTRIBUTE
EXPLICIT SET
ATTRIBUTE
EXPLICIT WORD
READ
EXPLICIT WORD
WRITE
Mne-
CJ1-H/CJ1M Series
monic
CJ1-H-R
CJ1-H
RXD
Yes (Number of stored bytes specified in
binary) (Used only for CPU Unit's RS-232C
port and Serial Communications Boards with
unit version 1.2 or later. Cannot be used for
CPU Unit's peripheral port.)
RXDU
Yes (Number of stored bytes specified in
binary) (Used for Serial Communications
Unit with unit version 1.2 or later.)
TXD
Yes (Number of stored bytes specified in
binary) (Used only for CPU Unit's RS-232C
port and Serial Communications Boards with
unit version 1.2 or later. Cannot be used for
CPU Unit's peripheral port) (Unsolicited com-
munications are not possible using the Host
Link EX command.)
TXDU
Yes (Number of stored bytes specified in
binary) (Used for Serial Communications
Unit with unit version 1.2 or later.)
STUP
Yes (10 words set)
Can be used for Serial Communications Unit.
PMCR
Yes (Sequence number specified in binary.
Four operands. Can specify destination unit
address and Serial Port number.)
CMCR
No
SEND/
Yes (Can be used for host computer via Host
RECV
Link connections. Cannot be used for Serial
Communications Units, CPU Unit's RS-232C
port, or Inner Board.)
CMND
Yes (Used for host computer via Host Link
connections. Cannot be used for Serial Com-
munications Units, CPU Unit's RS-232C port,
or Inner Board.)
EXPLT
Yes (*6)
EGATR
Yes (*6)
ESATR
Yes (*6)
ECHRD Yes (*6)
ECHWR
Yes (*6)
CS1-H
C200HX/HG/
Series
HE
CJ1-M
Yes (Number
of stored
bytes speci-
fied in BCD)
(Used for
peripheral
port, RS-232C
port or Com-
munications
Board in CPU
Unit.)
No
Yes (Number
of stored
bytes speci-
fied in BCD)
(Used for
peripheral
port, RS-232C
port or Com-
munications
Board in CPU
Unit.)
(Unsolicited
communica-
tions are pos-
sible using
Host Link EX
command.)
No
Yes (5 words
set)
Yes
(Sequence
number speci-
fied in BCD.
Three oper-
ands.)
Yes
Yes (Cannot
be used for
host com-
puter via Host
Link connec-
tions.)
No
No
No
No
No
No
Appendix A
CVM1/CV
CQM1H
Series
No
Yes (Number
of stored
bytes speci-
fied in BCD)
(Used for
peripheral
port, RS-232C
port or Com-
munications
Board in CPU
Unit.)
No
No
No
Yes (Number
of stored
bytes speci-
fied in BCD)
(Used for
peripheral
port, RS-232C
port or Com-
munications
Board in CPU
Unit.)
(Unsolicited
communica-
tions are pos-
sible using
Host Link EX
command.)
No
No
No
Yes (5 words
set)
No
Yes
(Sequence
number speci-
fied in BCD.
Three oper-
ands.)
No
No
Yes (Can be
Yes (Cannot
used for host
be used for
computer via
host com-
Host Link con-
puter via Host
nections.)
Link connec-
tions.)
Yes (Can be
Yes (Cannot
used for host
be used for
computer via
host com-
Host Link con-
puter via Host
nections.)
Link connec-
tions.)
No
No
No
No
No
No
No
No
No
No
389
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