Introduction:
The LP-9x2x is a new generation Linux based PAC (Programmable Automation Controller) of ICP DAS. Each LP-9x2x is equipped with a Cortex-A8 (1.0 GHz) CPU that runs Linux operating system, it also features a variety of input/output ports (VGA, USB, Ethernet and RS-232/485), and 2/4/8 expansion I/O slots which can be used to integrate with the high performance I-9K (parallel-type) and I-97K (serial-type) series I/O modules.
Local I/O and Communication Expansion Modules
There are 2, 4, 8 slot options provided to expand the local I/O. And the I/O modules can be parallel bus type (I-9K series) or serial bus type (I-97K series).
The I/O slots support parallel bus type (I-9K series) and serial bus type (I-97K series) I/O modules. All kinds of module are provided for AI, AO, DI, AO, counter input, frequency input, PWM output, motion control, memory, and communication, etc.
I-9K & I-97K:
http://www.icpdas.com/root/product/solutions/remote_io/i-9k_i-97k/i-9k_i-97k_selection.html
Multi-Communication Interface
There are several communication interfaces can be used to expand I/O and connect to external devices:
1. Ethernet
2. RS-232/485