Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 112)

7–25 Communication Commands
Publication 1770Ć6.5.16 - October 1996
set ENQs
Sets the maximum number of ENQs that the asynchronous interface
module issues per message transmission. Put the number in the
DATA field. The default setting for most modules is 10 ENQs per
transmission (3 ENQs for the 1771-KG and 1771-KE, 9 ENQs for
the 1785-KE).
C
CMD
06
STS
FNC
06
TNS DATA
R
CMD
46
STS TNS
DST SRC
SRC DST
set link parameters
Sets the DH485 parameter, Maximum Solicit Address.
This parameter specifies the maximum node address that a DH485
node tries to solicit onto the link.
CMD
06
STS
FNC
0A
TNS
CMD
46
STS TNS
DST SRC
SRC DST
Data
Address
0000
Size
01
Data - the maximum node address that can be solicited (1 byte).
C
R
set NAKs
Sets the maximum number of NAKs (negative acknowledgements)
that the asynchronous interface module accepts per message
transmission. Put the number in the DATA field. The default setting
for most modules is 3 NAKs per transmission.
C CMD
06
STS
FNC
05
TNS DATA
R
CMD
46
STS TNS
DST SRC
SRC DST
• PLCĆ2
• PLCĆ3
• PLCĆ5
• SLC 500
• SLC 5/03
• SLC 5/04
(Channel 0
configured for
DH485)
• PLCĆ2
• PLCĆ3
• PLCĆ5