Communication protocols
PROGRAMMING MANUAL
159
Revi
si
on 3.0
Commands
These Host Link commands are supported for the Host Link Master protocol:
/i
HLM_READ
HLM_READ
reads data from the Host Link slave to either VR or
TABLE memory.
HLM_STATUS
HLM_STATUS
gives the status of the last command of the Host Link
master.
HLM_TIMEOUT
HLM_TIMEOUT
defines the Host Link master timeout time.
HLM_WRITE
HLM_WRITE
writes data to the Host Link slave from either VR or
TABLE memory.
SETCOM
SETCOM
configures the serial communication port and enables the
Host Link protocols.
BASIC command
Description
Type
Header code
Name
Function
I/O memory
reading
RR
CIO AREA READ
Reads the specified number of
words beginning with the designated
CIO/IR
word.
RL
LR AREA READ
Reads the specified number of
words beginning with the designated
LR
word.
RH
HR AREA READ
Reads the specified number of
words beginning with the designated
HR
word.
RD
DM AREA READ
Reads the specified number of
words beginning with the designated
DM
word.
RJ
AR AREA READ
Reads the specified number of
words beginning with the designated
AR
word.
RE
EM AREA READ
Reads the specified number of
words beginning with the designated
EM
word.
I52E-EN-03.book Seite 159 Freitag, 29. Juni 2007 11:55 11