
Index
I–2
diagnostic counter reset,
B5
command format,
B5
reply format,
B5
diagnostic loop,
B1
command format,
B1
reply format,
B1
diagnostic read,
B2
command format,
B2
reply format,
B2
reply values,
B3
diagnostic status,
B4
command format,
B4
reply,
B5
reply format,
B4
dimensions,
A2
displays,
31
DSR,
28
,
49
DTR,
28
,
49
duplicate message,
36
E
electrical specifications,
A1
electromagnetic interference,
A2
embedded responses,
41
end nodes,
23
,
24
end of message,
39
environmental specifications,
A2
error detection,
12
,
36
exit, without saving,
34
exit button,
32
F
factory defaults,
34
,
3537
,
38310
fault,
52
fault indicator (LED),
34
,
310
,
51
,
52
features,
12
flow control,
36
fullduplex,
12
,
41
fuse,
21
,
214
,
A1
G
GND,
28
grounding,
22
group number,
39
group numbers,
43
H
halfduplex,
12
,
41
master,
42
,
43
halfduplex DF1,
39
halfduplex master, station address,
39
handshake signals,
211
handshaking,
39
,
49
hardware fault,
34
host computer,
25
,
41
humidity,
A2
I
input frequency,
A1
input voltage,
A1
installation procedures,
21
installing the DH485 cable,
27
interface connections,
21
intermediate nodes,
22
J
jumper connections,
23
jumper positions
for DSR and CTS lines
25 pin,
210
9 pin,
210
for end nodes,
23
jumpers,
22
K
KF3 connector,
A1
L
LEDs,
51
link coupler,
24
link packet information,
48
link status field,
47
link STS (LSTS),
47
link type (LTYP),
47