DAM-3218 User’s Manual V6.12
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DAM-3218 Module
Overview of Module Function
DAM-3218 is a general RS-232 to RS-422/RS-485 optical isolation converter, the converter compatible
with RS-232, RS-422 and RS-485 standard. Built-in optical isolators and DC/DC isolation module, can
provide up to 2500Vrms isolation voltage. With power indicator and data flow indicator.
Terminal Distribution
Module Features
Isolated RS-232 to RS-422, RS-485 converter module
¾Compatible with RS-232, RS-485TIA/EIA standard
¾Automatic send/receive data without external flow control signals (RTS), three-wire (TXD, RXD, GND)
communication system
¾Communication Speed: 300bps-115.2Kbps
¾Can connect with 128 RS-485 or RS-422 interface devices
¾Communication Distance: 5000m (9600bps)
¾Embedded conversion module, with four positioning holes
¾Working Mode: asynchronous half-duplex (RS-485) or asynchronous full-duplex (RS-422) universal, no jumper
settings
¾Optical isolation (isolation voltage 2.5KVrms/500VDC insulation), specific DC/DC module, RS-485/422 provides
1500W each line lightning, surge, +/-15KV ESD protection and prevention common code interference
¾Transmission Media: twisted pair or shielded cable
¾Operating Environment: -40 to℃85 ,℃relative humidity 5% to 95%
