Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 246)

Index I–3
Data link layer protocols, 2-4
Data type ID, 7-29
Data type size, 7-29
Decimal, 11-2
DH+ diagnostic counters, 1747-L542, 9-4 ,
9-5 , 9-6
DH-485
connection to Data Highway Plus, 1-6
description, 1-6
example network, 1-6
DH485 diagnostic counters
1747-KE, 9-3
1747-L20, 9-3
1747-L30, 9-3
1747-L40, 9-3
1747-L511, 9-3
1747-L514, 9-3
1747-L524, 9-3
1747-L532, 9-3
1747-PA2x, 9-3
1761-L16AWA, 9-7
1761-L16BBB, 9-7
1761-L16BWB, 9-7
1761-L32AWA, 9-7
1761-L32BWA, 9-7
1770-KF3, 9-3
1784-KR, 9-3
1761-L32BWB, 9-7
Diagnostic counters, 9-1
how to read, 9-2
Diagnostic status information, 10-2 ,
10-5 , 10-11 , 10-15 , 10-16 ,
10-23
DLE ACK, definition, 2-8
DLE ENQ, definition, 2-8
DLE ETX BCC/CRC, definition, 2-8
DLE EXT BCC, 5-3
DLE NAK, definition, 2-8
DLE STX, 5-3
definition, 2-8
Dowload, PLC, 12-6
Download, 12-1
PLC-2, 12-7
PLC-3, 12-6 , 12-8
PLC-5, 12-6 , 12-8
PLC-5/15 series B rev F and later and
other PLC-5, 12-10
Series B rev E and earlier, 12-9
Driver, before you begin writing, P-1
DST, 6-4
definition, 6-3
Duplicate message detection, 6-3
E
Error codes, 1-11
returned by local node, 1-11
EXT STS, 6-6
EXT STS byte, EXT STS byte, 8-3
EXT STS codes for command code 0F,
8-4
Extended addressing, 13-5
F
Flag byte, 7-28
floating master, desciption, 1-3
FNC, 6-5
definition, 6-3
Full-duplex
description, 2-4
transmission symbols, 2-6
two-way simultaneous operation, 4-2
Full-duplex line monitor examples
PLC-2, 14-3
PLC-3, 14-6
Full-duplex protocol
diagrams, 4-10
packet format, 5-3
H
Half-duplex
line monitoring, 14-1
master polling responsibilities, 3-7
master transceiver, 3-6
Master/slave, 3-3
message characteristics, 3-7
message packet formats, 5-2
protocol diagrams, 3-11
slave transceiver actions, 3-9
Half-duplex protocol
communication chacteristics, 2-2
description, 2-2
Hexadecimal, 11-4
L
Link layer packets, 5-2
link protocol, definition, 2-2
Local error, 8-2
local node, definition of, P-3
local STS error codes, 8-2