Rockwell Automation 57C570 AutoMax PC3000 User Manual - Manual (Page 133)

11Ć5
AutoMax PC3000
3
2
7
5
8
6
4
The user transmitter
is disabled or shut off when
the AutoMax receiver is full.
In this configuration no
characters are lost by the
AutoMax program receiving
characters.
(2)
(3)
(7)
(5) (Transmit Enable)
must be asserted,
wire to +5 to +12 volt level
User Equipment
TXD
RXD
DSR
DTR
Figure 11.4 Ć OneĆdirectional Flow Control
AutoMax PC3000
3
2
7
5
8
6
4
2
3
4
7
5
20
(to user Trans pin)
(to user Recv pin)
(to user Sig Com)
(Trans Enable)
(Recv Buffer Status)
must be asserted,
wire to +5 to +12 volt level
User Equipment
TXD
RXD
CTS
DSR
DTR
In this configuration, no characters are lost by the AutoMax
program or user equipment receiving characters.
Figure 11.5 Ć BiĆdirectional Flow Control