Index
145
port 2
communications parameters, 17, 21
CTS control, 17
Port Status, 121
power interruptions, 104
program
reading the contents of the PC program memory, 94
writing to the PC program memory, 95
Programmable Terminal, 6, 109
connection example, 37
Programming Console, ix
R
reading data, 95
RECV(193), 57, 61
program example, 125
replacing Host Link Units, 100
response codes
C-mode commands, 103
CV-mode commands, 104
for an undefined command, 98
for C-mode commands, 103
Results of Wrap Communications Test, 122
right to send, 57
after command block, 55
RS-232C communications
location of port on PC, 12
selecting, 12
RS-232C communications
connector pins, 28
example connection, 29
general description, 5
Optical Interfaces, 5, 6
RS-422 communications
connector pins, 31
general description, 7
location of port on PC, 12
Optical Interfaces, 7
selecting, 12
S
SEND(192), 57, 60
program example, 123
settings, general procedure, 13
soldering, 43
specifications, 115
communications, 8
SSS, ix
Status Data Area, 118
switches
node number, 16
rotary, 16
unit number, 16
synchronization method, 8, 116
SYSMAC LINK System, gateway function, 9
SYSMAC NET Link System, gateway function, 9
SYSMAC Support Software, ix
System Setup, CPU Bus Unit, 18
T
termination resistance, 41
RS-422 communications, 41
testing, communications, 48, 94
timers
changing PV, 78
changing SV, 84, 85, 87
reading Completion Flag status, 75
reading PV, 74
reading SV, 80, 81, 83
timing, communications, 64
transmission control, 8, 116
transmission delay, 69
transmission distance, 5
transmitted code, 8, 116
U
unit number, CPU, 17
Unit Setting Error Flags, 119
W–X
weight, 27
wiring, cables, 42
wrap communications test, 17
results, 122
Wrap Communications Test Port, 122
Xon/Xoff control, timing, 68