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B&B Electronics 232DRIO User Manual

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4 232DRIO-0308 
Manual 
 
B&B Electronics  --  PO Box 1040  --  Ottawa, IL  61350 
PH (815) 433-5100  --  FAX (815) 433-5104
 
 
  Figure 1.1 – 232DRIO Module 
 
 
 
 
Figure 1.2 – Simplified Block Diagram 
 
Packing List 
 
Examine the shipping carton and contents for physical damage. 
The following items should be in the shipping carton: 
1. 232DRIO 
unit 
2. Software 
3.  This instruction manual 
If any of these items are damaged or missing contact B&B 
Electronics immediately. 
232DRIO Specifications 
Non-polarized, Optically Isolated Input 
REL
A
Y
SP
DT
REL
A
Y
SP
D
T
#2 N/O
#2 N/C
#2 Com
#1 N/O
#1 N/C
#1 Com
GND
+12Vdc
POWER
Microcontroller
TD
RD
+5V
RS-232
Transceiver
Serial Port
DB-9S
5-30 Vdc/Vac
Input
Opto
Isolator
R