ITech IT8500+ Series Manual page 8

RS-232
IT8513B+/IT8514B+/IT8514C+/IT8516C+ electronic load has a DB9 interface
on rear panel. Connect E-load and computer by cable of COM ends (DB9).
Composite key [Shift] + [8] on front board can be used to enter system menu
for activation.
⚫
In RS-232 interface, all SCPI commands can be used for programming. If
RS-232 interface is selected, in accordance with internal connection of data
terminal equipment (DTE) and data communication equipment (DCE) as
defined in EIA RS-232, the load is connected to another DTE (e.g., PC COM
interface) with direct-connected Modem cable.
⚫
Please ensure the PC and the load have the same configuration in the
following items.
Baudrate: 9600(4800, 9600, 19200, 38400). You could enter the system
menu to set the baudrate.
Data bit: 8
Stop bit: 1
Parity bit: (none, even, odd)
RS-232 Interface
RS232 Pins of Plug
Communication Setup
Base Pin Description
Number
1 No conjunction
2 TXD, data transmission
3 RXD, data receiving
4 No conjunction
5 GND, grounding
6 No conjunction
7 CTS, clear to send
8 RTS, request to send
9 No conjunction
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