AMETEK SLM-1 - Manual (Page 27)

SECTION 4
GPIB/RS-232 PROGRAMMING
OPERATION
4.1
INTRODUCTION
The rear panel of the SLM chassis is designed to connect with a PC (Personal
Computer) or NOTEBOOK PC through GPIB or RS-232 interfaces.
4.2
RS-232 INTERFACE AND COMMANDS
The following RS-232 commands are the same as GPIB commands. The RS-232
protocol in SLM chassis is listed as follows:
B AUD - RATE 9600
Parity none
Data bit
8 bits
Stop bit 1 bit
Command delay time 20 msec.
The connections for the rear panel RS-232 interface are shown below; Figure 4-1a
depicts the connector wire diagram, and Figure 4-1b depicts the connections using a
standard RS-232 cable.
RS-232C Port
On SLM Mainframe
TxD
Rxd
RTS
CTS
.
.
.
Inside the
SLM Mainframe
TxD
Rxd
RTS
CTS
DSR
GRN
DCD
DTR
PC RS-232C Port
TxD
Rxd
RTS
CTS
.
.
.
Fig. 4.1a Fig. 4.1b
2
3
4
5
6
7
8
9
RS-232C Port
On SLM Mainframe
TxD
Rxd
RTS
CTS
.
.
.
Inside the
SLM Mainframe
TxD
Rxd
RTS
CTS
DSR
GRN
DCD
DTR
PC RS-232C Port
TxD
Rxd
RTS
CTS
.
.
.
Fig. 4.1a Fig. 4.1b
2
3
4
5
6
7
8
9
Figure 4-1 RS-232 Interface Diagram
M540070-01 Rev B 4-1