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A Series Communication Conver
Auto Tuner baud rate,300~115200bps
3000VDC isolation protection
ESD protection
Power Inputs 10~30VDC(RS232 type)
No external power supply ( USB type)
Driver support Windows 98 / ME / 2000 / XP / Vista / Linux / Window7 /WinCE/ Mac/Linux/Windows Server2008R2/Android
DIN-Rail or wall mounting
 
Technical specifications

Type

A-1520

A-1521
A-1520U
A-1521U
A-1571U

Interface

RS232 to RS485
RS232 to RS485/422/232
USB to RS485
USB to RS485/422/232
USB to RS485/422/232

Speed

Auto Tuner baud rate, 300~115200 bps

Transfer distance

Max. 1,200 m for speed 9.6 K bps;Max. 400 m/115.2 K bps
Supports Max device
Maximum of 256 devices(without repeater)
ESD Protection
yes
Power Voltage
10-30VDC
---
Power Consumption
Nearly 24V/0.5W
Nearly USB port/0.5w
OS Driver

--

windows98/ME/2000/xp/window7

(32/64bit)/winCE/Vista(32/64bit)/Linux/Mac

window98/ME/2000/xp/window7

(32/64bit)/winCE/Vista(32/64bit)

/Linux/Mac/Windows Server 2008 R2/Android

Operation temperature
-25≧ ~+75≧
Storage temperature
-25≧ ~+80≧

Installation

DIN Rail or wall mounting
Connection
DB9(Female to RS232)USB(Type B);Removable 13-pin terminal block(for RS422/485/232)
Pin Assignments

Terminal NO.

A-1520

A-1521
A-1520U
A-1521U/A-1571U
Interface
1
DATA+
DATA+
DATA+
DATA+
RS485
2
DATA-
DATA-
DATA-
DATA-
3
TX+
TX+
RS422/RS485
4
TX-
TX-
5
RX+/D2+
RX+/D2+
6
RX-/D2-
RX-/D2-
7
TXD
TXD
RS232
8
RXD
RXD
9
(B)GNG
(B)GNG
10
(B)GNG
(B)GNG
11
NC
NC
12
(R)+VS
(R)+VS
(R)+VS
NC
13
(B)GNG
(B)GNG
(B)GNG
NC