Delta Tau TURBO CLIPPER DRIVE Manuale Utente
Turbo Clipper Drive User Manual
Clipper Board: Wiring, Software Setup
52
RS232: Serial Communication Port
An optional serial RS-232 communication port is available on the Turbo Clipper Drive drives.
This port can be used as a primary communication mean or employed as a secondary port that
allows simultaneous communication.
This port can be used as a primary communication mean or employed as a secondary port that
allows simultaneous communication.
RS-232: D-sub DE-9F
Mating: D-Sub DE-9M
1
2
3
4
5
6
7
8
9
N
.C
.
D
T
R
T
X
D
C
T
S
R
X
D
R
T
S
D
S
R
N
.C
.
G
N
D
Pin# Symbol
Function
Description
Notes
1
N.C.
NC
2
TXD
Output
Receive data
Host transmit Data
3
RXD
Input
Send data
Host receive Data
4
DSR
Bi-directional Data set ready
Tied to “DTR”
5
GND
Common
Common GND
6
DTR
Bi-directional Data term ready Tied to “DSR”
7
CTS
Input
Clear to send
Host ready bit
8
RTS
Output
Req. to send
PMAC ready bit
9
N.C
NC
The baud rate for the RS-232 serial port is set by variable I54. At power-up reset, The Turbo
Clipper Drive sets the active baud based on the setting of I54 and the CPU speed I52. Note that
the baud rate frequency is divided down from the CPU’s operational frequency. The factory
default baud rate is 38400. This baud rate will be selected automatically on re-initialization of the
Turbo Clipper Drive, either in hardware using the re-initialization (RESET SW) button or in
software using the $$$*** command.
To change the baud rate setting on the Turbo Clipper Drive Drive, set I54 to the corresponding
value of desired frequency. Issue a SAVE and recycle power on the unit. For odd baud rate
settings, refer to the Turbo Software Reference Manual.
I54 Baud Rate I54 Baud Rate
8
9600
*12
38,400
9
14,400
13
57,600
10
19,200
14
76,800
11
28,800
15
115,200
*Default Setting