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Quick Start Guide
485OPDR
Optically Isolated RS-422/485
Repeater
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485OPDR Optically Isolated Repeater
This Quick Start Guide
Additional Items Required but not included
o Power Supply (10 to 30 VDC, 0.7 W)
o RS-422/485 Cable.
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Underwriters Laboratories Conditions of Acceptability –
When installed in the end-use equipment, consideration
should be given to the following:
1. The wiring terminals are suitable for factory wiring only.
2. This device is to be mounted in a suitable enclosure in
the end-product.
3. This device is suitable for operation at a maximum
surrounding air temperature as described in the
documentation.
4. These devices are intended for use in a pollution
degree 2 environment.
• Input Voltage: 10 – 30 VDC
• Input Power: 0.7 Watts
• Wire Range: 12 – 24 AWG
• Tightening Torque: 4 kgf-cm
• Temperature rating of field installed conductors is 105 C
minimum, sized for 60 C ampacity.
• Use copper wire only
• Maximum surrounding ambient air temperature 80 C.
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Bias is provided by 4.7kΩ pull-up/down resistors on the data in
lines. This value is adequate for most application without
termination. If another value is required, space is provided on the
PCP for through hole resistor placement (R12, R21, R14, and R23)
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Terminal
Signal
Block
A
OUT (+)
B
IN (+)
Put
C
PROTECTED GROUND
D
OUT (-)
E
IN (-)
F
SIGNAL GROUND
G
IN (-)
H
OUT (-)
J
+10 TO 30 VDC
K
IN (+)
L
OUT (+)
M
GROUND
Documentation Number –p/n 8676R0 485OPDR-1610qsg
©2010 B&B Electronics Manufacturing Company
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Communications Mode
SW-7
TX Enable
RS-485
2-Wire
ON
Half Duplex
RS-485
4-Wire
ON
Full Duplex
RS-422
OFF
Full Duplex
Timeout Selection
Switch
K baud
1
2
3
4
1.2 #
OFF
OFF
OFF
OFF
2.4
ON
OFF
OFF
OFF
4.8
OFF
ON
OFF
OFF
9.6
OFF
OFF
ON
OFF
19.2
OFF
OFF
OFF
ON
38.4
OFF
OFF
OFF
OFF
57.6
OFF
OFF
OFF
OFF
76.8
OFF
OFF
OFF
ON
115.2
OFF
OFF
OFF
ON
153.6 #
OFF
OFF
OFF
OFF
230.4 #
OFF
OFF
OFF
OFF
460.8 #
OFF
OFF
OFF
OFF
Timeout selections are equal to one character time at the indicated
baud rate. Setting the converter 9600 will generally work at 9600
and higher baud rates. In RS-422 mode, timeouts are not
required.
# To achieve these timeouts you must place a through –hole
resistor on the circuit board. See Step 5 for more information.
International Headquarters: 815-433-5100 www.bb-elec.com
European Headquarters: +353 91 792444 www.bb-europe.com
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SW-8
RX Enable
ON
OFF
OFF
Timeout
5
6
(ms)
OFF
OFF
9.02
#
OFF
OFF
4.73
OFF
OFF
2.20
OFF
OFF
1.10
OFF
OFF
0.62
ON
OFF
0.29
OFF
ON
0.17
OFF
ON
0.15
ON
ON
0.11
OFF
OFF
0.07
#
OFF
OFF
0.05
#
OFF
OFF
0.02
#
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Related Manuals for B&B Electronics 485OPDR
Summary of Contents for B&B Electronics 485OPDR
- Page 1 Documentation Number –p/n 8676R0 485OPDR-1610qsg ©2010 B&B Electronics Manufacturing Company Quick Start Guide 485OPDR Optically Isolated RS-422/485 Repeater – – Communications Mode SW-7 SW-8 TX Enable RX Enable RS-485 2-Wire Half Duplex RS-485 4-Wire Full Duplex RS-422 485OPDR Optically Isolated Repeater...
- Page 2 Documentation Number –p/n 8676R0 485OPDR-1610qsg ©2010 B&B Electronics Manufacturing Company RS-422 / 4-Wire RS-485 2-Wire RS-485 If you need to support timeouts indicated with a # in Step 4, you must place through-hole resistors on the PCB. Place the resistor in the R-7 and R-28 spot designated on the board.
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