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56 PRODIGIT
Chapter 4 Communication Interface programming operation
4-1. Introduction
If your unit is fitted with a computer interface option then a RS232, USB socket will be present
on the rear panel according to what was ordered. The interface allows the load settings to be
configured remotely and measurements read back.
There are two sets of programming terms for the 3110 series. One is referred to as the
SIMPLE format and the other is COMPLEX format.
4-2. RS232 Set-up
The RS232 interface of the 3110 set up as follows.
Baud-rate
Parity
Data bit
Stop bit
Handshaking
The RS232 Interface connector of 3110 series rear panel, RS232 is shown in Fig4-1.
RS232 port on PC
TxD
RxD
RTS
CTS
F
:115200bps
:None
:8 bits
:1 bit
: Hardware (RTS/CTS).
RS232
3110 series Load
4-1 RS232 INTERFACE CONNECTION OF REAR PANEL
IG
port
on
RxD
TxD
CTS
RTS
.
.
.
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