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232DRIO Schematic ( PDF Datasheet ) - B&B Electronics

Teilenummer 232DRIO
Beschreibung Digital Relay I/O
Hersteller B&B Electronics
Logo B&B Electronics Logo 




Gesamt 28 Seiten
232DRIO Datasheet, Funktion
RS-232 Digital Relay I/O
Model 232DRIO
Documentation Number 232DRIO0812
pn#4520-r3
This product
Designed and Manufactured
In Ottawa, Illinois
USA
of domestic and imported parts by
B&B Electronics Mfg. Co. Inc.
707 Dayton Road -- P.O. Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
Internet:
http://www.bb-elec.com
B&B Electronics February 2012
232DRIO-0812 Manual
Cover Page
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
http://www.Datasheet4U.com






232DRIO Datasheet, Funktion
Figure 1.1 232DRIO Module
Serial Port
DB-9S
TD
RS-232
Transceiver
RD
5-30 Vdc/Vac
Input
+5V
R
Microcontroller
Opto
Isolator
POWER
GND
+12Vdc
#2 N/O
#2 N/C
#2 Com
#1 N/O
#1 N/C
#1 Com
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
4 232DRIO-0812 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104

6 Page









232DRIO pdf, datenblatt
Table 3.1 232DRIO Commands
Function
Set Output Lines
Read I/O Lines
Set Output Lines
Read I/O Lines
Command
!0S{…}
!0R
#0S{…}{~…}
#0R
Response
No response
{…}
No response
{…}{~…}
Symbol: {…} represents one byte
<…> represents a numeric value
~ complement of the specified data byte
Before going into the specifics of each command, it is important
to understand that a byte has a numeric value from 0 to 255. The
byte's value can be represented in decimal (0 -255) format,
hexadecimal (00 - FF) format, binary (00000000 - 11111111) format
or as an ASCII character. The fixed bytes of each command will be
represented as ASCII characters, for example: “!0R”. Refer to
Table 3.1. However, it is important to remember that an ASCII
character has a numeric value. Example: the ASCII “0” (zero) does
not have a value of zero but has a value of 48. The decimal and
hexadecimal equivalents of some ASCII characters are shown in
Table 3.2. Some commands require an additional data byte to
complete the command. These data bytes may be represented in
any of the formats listed above. Refer to Appendix A for more ASCII
and decimal equivalents.
Table 3.2 Equivalent Values
ASCII Decimal Hexadecimal
! 33
21h
# 35
23h
0 48
30h
R 82
52h
S 83
53h
Syntax
Command strings consists of three to five bytes depending on
commands used for normal or harsh environments. The first byte is
always the start of message byte. The start of message byte is
either the ASCII “!” character (normal) or the ASCII “#” character
(harsh). The second byte is the address byte. This byte allows
each unit to have a unique address (useful in RS-485 networks).
Since the 232DRIO uses RS-232 communications, this byte is
always the ASCII “0” character and can not be changed. The next
byte is the command character. This byte is ASCII character and
10 232DRIO-0812 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104

12 Page





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