Delta AH500 Programming Manual page 53

AH 5 00 Pr ogr am m ing Ma n ua l
SM
Enabling the Modbus connection of COM1
Assignment of the slaves by users in the PLC
Link
*SM1585
Assignment of slaves by users for the Modbus
connection of COM1
Automatic mode of the PLC Link
*SM1586
Automatic mode of the Modbus connection of
COM1
*SM1587 Manual mode of the PLC Link
Detection of the slaves in the PLC Link
*SM1588
Detection of slaves for the Modbus connection
of COM1
*SM1589 PLC Link flag error
Device address error in the PLC Link
*SM1590
A device address error occurs in the Modbus
connection of COM1
PLC Link timeout
*SM1591
A timeout occurs in the Modbus connection of
COM1.
The number of polling cycles in the PLC Link is
*SM1592
incorrect.
Standard Modbus communication protocol is
used in the PLC Link when SM1593 is OFF,
*SM1593
whereas AH communication protocol is used in
the PLC Link when SM1593 is ON.
The slaves are automatically detected in the
PLC Link in the current environment. Only
when the PLC Link is in the stop mode can
SM1594 be used.
OFF: (default) The detection is complete or the
PLC is waiting to detect the slaves.
ON: The PLC is detecting the slaves.
*SM1594
Automatically detecting slaves for the Modbus
connection of COM1 in the current
environment: Only when the Modbus
connection of COM1 stops can SM1594 be
used.
OFF: The detection of slaves is complete or the
PLC is waiting to detect slaves. (default value)
ON: The PLC is detecting slaves.
The slave IDs are assigned by users when
*SM1595 SM1595 is ON, whereas they are assigned
automatically when SM1595 is OFF.
There is an operation error in the PLC Link.
*SM1596
An operation error occurs in the Modbus
connection of COM1.
When SM1597 is ON, the extension port is
*SM1597
used in the PLC Link.
When SM1598 is ON, the function of
reading/writing synchronously in the PLC Link
is enabled.
*SM1598
ON: COM1 reads data and writes data
simultaneously by Modbus.
SM1599 Enabling Modbus connection 1~32 for COM1
2 - 3 4
Function
OFF STOP
 
ON RUN
× ○ ○
○ OFF
×
○ ○
× ○
–
×
× ○ ○
○ OFF
×
○ ○
× ○
–
×
× ○ ○
○ OFF
×
○ ○
–
× × ×
○ ○
× ○ OFF
×
× ○ ○
× OFF
×
○ ○
× ○ OFF
×
○ ○
× × OFF
×
× ○ ○
○ OFF
×
○ ○
OFF
× ×
× ○ ○
× OFF
×
○ ○
× ○ OFF
×
○ ○
–
× × ×
○ ○
× ○ OFF
×
○ ○ × OFF
× ×
○ ○
○ ○ ○
–
○ ○
× × OFF
×
○ ○ ○ OFF
× ×
○ ○
–
× × ×
○ ○
× ○
–
×
○ ○ ×
× × –
○ ○ ○ OFF
× ×
RUN

STOP
– – R/W OFF
– – R/W OFF
– – R/W OFF
– – R/W OFF
– – R/W OFF
– – R/W OFF
– – R OFF
– – R OFF
– – R OFF
– – R OFF
– – R OFF
– – R OFF
– – R OFF
– – R OFF
– – R/W OFF
– – R/W OFF
– – R/W OFF
– – R/W OFF
– – R OFF
– – R OFF
– – R/W OFF
– – R/W OFF
– – R/W OFF
– – R/W OFF