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C12 RS232 to RS485 Converter 3kV DC Isolation on RS485 SIde
- Isolated RS232 to RS485 Converter - RS485 Side Isolated 3kV DC
Product description
Many industrial systems provide communication through RS232 serial ports. However, this standard has limited capabilities, so RS485 is increasingly used. The C12 converter is an excellent product that makes it easy to build an industrial environment without changing existing hardware or software solutions. It is a secure RS232-to-RS485 converter featuring a supply voltage of 12–30 VDC or 24 VAC, ESD protection for the data bus, 3000 VDC RS485-sided isolation, informative LED indicators, and a transmission speed of up to 115200 bps.
Technical Documentation
Operations and Maintenance Manual | C12 Datasheet and Selection Guide | ![]() |
Redisage Documentation Space | doc.redisage.com |
Brand
Symbol
C12
Producer code
5903949781045
Series
Warranty
Main data
Power voltage
12-30 V/DC
Galvanic isolation
RS485 3 kV/DC
Power connector
Screw terminal
Work temperature range
-40°C to +75°C
Safety measures
ESD 4 kV / 8 kV
Burst
Surge
RF
LED
Tx
Rx
Power
Serial Ports
Number of ports
2
Port type
1x RS232
1x RS485
Connector type
Screw terminal
Transmission speed
115200 bps
Data bits
7
8
Stop bits
1
2
Controll Bits
none
odd
even
Enclosure
Ingress Protection Code
IP20
Length
98 mm
Height
56.4 mm
Width in standard modules S (17.5 mm)
1M
Width
17.5 mm
Mounting
DIN Rail
Standards and Certifications
Declarations of Conformity
CE
RoHS
EMC
LVD
Norms
61000-6-2 - Immunity standard for industrial environments
61000-6-4 - Emission standard for industrial environments
About C12
C12 RS232 to RS485 Converter – 3 kV Isolation for Secure Communications
The C12 RS232 to RS485 Converter enables seamless bidirectional communication between RS232 and RS485 interfaces for a secure and—most importantly—interference free transmission of data across expansive industrial networks. Featuring 3kV isolation, it effectively protects connected devices from electrical incidents, including voltage spikes, ground loops, and electromagnetic interference. In any demanding industrial environment, the C12 RS232 to RS485 converter provides the stability and reliability needed for smooth operation and minimal signal disruption.
This converter operates within a wide power supply range of +12 to +30 V/DC or 24 V/AC. Thanks to this, you’re able to deploy it without worry in a wide spectrum of different systems and implement it as a truly flexible solution to address the needs of a complex network in one fell swoop. Additionally, it supports automatic RS485 direction control, making it even easier to work it into your existing system with no extra manual configuration required.
Key Features
- 3kV isolation between power, RS232, and RS485
- Automatic RS485 direction control for seamless operation
- Power supply: +12 to +30 V/DC or 24 V/AC
- ESD protection for enhanced durability and safeguarding data integrity
- Baud rate of up to 115.2 kbps for fast data transmission
The C12 converter has been engineered to provide utmost precision in industrial automation, SCADA systems, and long-distance serial communication. This product is the pinnacle of quality, reliability, and security, making sure high-speed data exchanges between connected devices occur without interference and safety risks.
3 Year Warranty
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