Rs485 Interface - ITech IT8300 Series User Manual

Regenerative dc electronic load
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Setting Communication
Before running communication, please match the load parameters with the PC
parameters as shown below.
Baud rate: 20K(40K, 50K, 80K, 100K, 125K, 150K, 200K, 250K, 400K, 500K,
1000K). You can enter the System menu through panel and set the
communication Baud rate
Addr.: 1-99
Prescale (Pres): Not settable. Change with Baud rate setting.
PTS (BS1): Not settable. Change with Baud rate setting.
PBS (BS2): Not settable. Change with Baud rate setting.
Baud rate
20K
40K
50K
80K
100K
125K
150K
200K
250K
400K
500K
1000K

4.5 RS485 Interface

There is one RS485 interface at the rear panel. The user can use this terminal
for PC connection; to activate connection, be sure that the values set in the
System menu are same as the corresponding values set in PC.
Through front board [Shift] + 8(System), the user can set the Baud rate, Data
bit, Stop bit and check. And the operation method is same as RS232.
RS485 interface pin is as follows.
(Prescale)
150
75
60
75
30
24
20
15
12
15
6
3
RS485 interface pin
Copyright © ITECH Electronics Co., Ltd.
References of Load Communication Interfaces
PTS
10
1
10
1
10
1
4
0
10
1
10
1
10
1
10
1
10
1
4
0
10
1
10
1
pin
description
a
A cable of RS485
interface
B
B cable of RS485
interface
PBS
40

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