Function Blocks 
PDR Peer Data Read Function Block 
260    HC900 Hybrid Control Designer Function Block Reference Guide  Revision 11 
  2/07 
Configuration Parameters 
 
Edit Output Pins 
Parameter  Index #  Parameter Description  Value or Selection 
Read Signal 
N/A 
Activates the RD1 through 
RD16 pins for reads. 
Click on selection box next to the pin 
number. 
Signal 
Number 
N/A 
Signal Tag number that 
appears on the Tag 
Information Report. 
See "Tag Information 
Example". 
Enter a tag number from the report. 
You can also use the "Find a 
Signal tag" procedure to find the 
Signal Tag number. 
Use Last 
Value 
N/A 
Use the last known value for 
when the associated data 
connection is invalid. 
Click on selection box for the pin 
number. 
Failsafe 
Value 
N/A 
Failsafe value for when the 
associated data connection 
is invalid. 
Enter a failsafe value.