User manual
IEC61131 User and Reference Manual 
April 22, 2008     
225 
splp 
SCADAPack LP I/O Module 
Description 
The splp I/O module is comprised of four different types of I/O channels. The SCADAPack 
LP I/O hardware contains eight analog inputs, two analog outputs, sixteen digital inputs and 
twelve relay digital outputs. Each of these types of I/O is represented as a sub module in the 
splp I/O module. These sub modules are named AIN for analog input I/O channels, AOUT 
for analog output I/O channels, DIN for digital input I/O channels and DOUT for digital output 
I/O channels. 
The AIN sub-module provides eight I/O channels for the analog input data from the 
SCADAPack LP I/O hardware. Data for each of the eight I/O channels may be connected to 
user-defined variables with the I/O connection editor. Connected variables are updated 
continuously with data from the SCADAPack LP I/O hardware. 
The AOUT sub-module provides two I/O channels for the analog output data from the 
SCADAPack LP I/O optional analog output module. Data for each of the I/O channels may 
be connected to user-defined variables with the I/O connection editor. Connected variables 
are updated continuously with data from the SCADAPack LP I/O hardware. 
The DIN sub-module provides sixteen I/O channels for the digital input data from the 
SCADAPack LP I/O hardware. Data for each of the sixteen I/O channels may be connected 
to user-defined variables with the I/O connection editor. Connected variables are updated 
continuously with data from the SCADAPack LP I/O hardware. 
The DOUT sub-module module provides twelve I/O channels for the digital outputs of the 
SCADAPack LP I/O hardware. Data for each of the I/O channels may be connected to user-
defined variables with the I/O connection editor. The SCADAPack LP I/O hardware digital 
outputs are updated continuously with data read from the variables. 
I/O Connection 
Module address 
No physical module address is required. 
There is only one splp module allowed per SCADAPack LP 
controller. 
Library type 
IO complex equipment 
AIN sub-module 
Data type 
Integer / real 
Channel type 
Input 
Number of channels 
8 
AOUT sub-module 
Data type 
Integer / real 
Channel type 
Output 
Number of channels 
2 
DIN sub-module 
Data type 
Boolean 
Channel type 
Input 
Number of channels 
16 
DOUT sub-module 
Data type 
Boolean 
Channel type 
Output 
Number of channels 
12 










