ADAM-5000 Series User Manual 68
7.1 Serial Modules
Compatible ADAM-5000 Series Main Units
The ADAM-5090 is a 4-port RS-232 communication module to be implemented with the
following Advantech ADAM-5000 series main units: ADAM-5510 (with library Version
V1.10 or above) ADAM-5511 (with library Version V1.10 or above)
7.1.1 ADAM-5090 4-port RS-232 Communication Module
Bi-direction Communication
The ADAM-5090 is equipped with four RS-232 ports, which makes it especially suit-
able for bi-direction communication. It can simultaneously read data from other third-
party devices such as Bar Code and PLC as long as these devices are equipped with
a RS-232 interface. Furthermore, the ADAM-5090 can issue commands to control other
devices. It is fully integrated with the ADAM-5000, ADAM-5500 and ADAM-4000 series,
and transmits data to each other through the RS-232 port. The whole integrated
system is an intelligent stand-alone system and can connect and issue commands
to control devices such as printers and PLCs in remote factory location.
The ADAM-5090 transmits and receives data by polling communication, and each port
can receive up to 128 bytes in the FIFO. For continuous data longer than 128 bytes,
please refer to Table 20 for Baud Rate setting to avoid data loss.
Communication Backup Function
With the ADAM-5090 you can implement dual communication channels between your
PC and the ADAM system. Even when one of the two communication channels is
down, your system can still function through the alternative communication channel.
This dual communication channels can be implemented by application software.
ADAM-5090 Module Diagram
Figure 7.1 ADAM-5090 Module
Table 7.1: Baud Rate Settings
Baud Rate (bps) 115200 57600 38400 19200 9600 4800 2400
Polling interval (ms) 11.11 22.22 33.33 66.66 133.33 266.66 533.33
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