RS-232 over RS-485/422

RS-232 to RS-485/422

Model:ADM-2721
Baud rate: 300BPS-115.2KBPS
Power supply : DC9~48V
Protection: 15kV ESD protection
Product description: RS-232 to RS-485/422 converter, DC9~48V power supply, DIN rail installation.
INQUIRY

Product introduction

ADM-2721 is an isolated RS-232 to RS-422/485 bidirectional converter. It can extend RS-232 transmission distance and improve network performance.

The design features of industrial application, DIN-rail installation, photoelectric isolation protection, DC24V power supply, are suitable for industrial environment.

Your RS-232 device can easily access the industrial RS-422/485 network and do not need to do any hardware and software changes.

Product specification
Model: ADM-2721
Functions: RS-232 to RS-485/422 Converter
Up Interface: 1-Port RS-232 (3 wire TXD,RXD,GND)
Down Interface: 1-Port RS-485/422
Isolation voltage: Isolation voltage 3000V，600W Surge protection
RS-232 Trans distance: 10 meters (Max)
RS-485 Trans distance: 1000 meters (Max)
Data rate: 300 to 115200 Bps
Interface protection: 15KV ESD Protection
RS-485 load capacity: 256 nodes (Max)
Power supply: 9 to 48VDC, 100mA@12V,with power reverse connection protection
Operation mode: Full duplex / half duplex, automatic flow direction
Working temperature: -20 ~75℃
Storage temperature: -20 ~85 ℃
Working humidity: 0 ~ 90% RH
Shape size: (L x W x H) 125x72x34mm
Interface definition

UP	*Definition*	*DOWN*	*Definition*
GND1	RS-232(GND)	VS+	POWER+
TXD	RS-232(TXD)	VS-	POWER-
RXD	RS-232(RXD)	NC	No connection
GND1	RS-232(GND)	GND2	RS-485/422 GND
NC	No connection	NC	No connection
NC	No connection	NC	No connection
NC	No connection	RXD-	RS-422 RX-
NC	No connection	RXD+	RS-422 RX+
NC	No connection	T/R-	RS-485- /RS-422TX-
NC	No connection	T/R+	RS-485+ /RS-422TX+