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Send data at speeds
up to 115.2 kbps.
Switch the RS-232
interface for DCE or
DTE.
Version available with
opto-isolation to
prevent damage from
ground loops.
Link up to 32 devices
together in 2-wire
multipoint applications using IC109
models.
Bidirectional conversion from RS-232 (V.24)
to RS-422/485.
Choose standalone or
rackmount versions.
T
ransmit data up to 4000 ft.
(1219.2 m) over 2- or 4-wire
lines in full or half-duplex.
And send it at speeds up to
115.2 kbps! Use these converters
with PCs and other RS-232
equipment that has the
16550 UART.
Switch settings let you
customize the converter to your
specific application. Now set line
bias to match your 485 equipment,
set the line termination resistors,
and switch the RS-232 interface
for DCE or DTE.
Improved surge suppression
keeps your converter safe from
induced surges on the RS-485
side. If you are transmitting
between buildings or over long
distances, order one of the OptoIsolation models for protection
against ground-loop surges.
Transmits data fast—up to 115 kbps!
Plus three selectable modes of operation.
Key Features
RS-232↔RS-485/422 CONVERTERS
Specially designed circuitry
lets the converter inhibit the CTS
signal if the CD signal is present.
That way, a device on the 485 side
can act as a controller.
Data Enable Mode is also
faster—up to 64 kbps! So you
won’t lose data when you
transmit in Data Enable.
IC109A-R3 and IC109C protect one segment of your extended network
from problems that arise on the other. Inside the RS-232↔485/422
Converter Plus with Opto-Isolation, optical-isolation circuits convert
electrical signals to light and back again, to keep signal noise and
ground loops from crossing between segments of your RS-485
installation. That means the electrical noise from your factory floor
won’t affect your office communications, and the difference in ground
potential over long distances and between buildings won’t damage your
sensitive equipment.
Opto-Isolation
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Black Box Corporation • 1000 Park Drive • Lawrence, PA 15055-1018 • Tech Support: 724-746-5500 • www.blackbox.com • e-mail: [email protected]
© 2005. All rights reserved.
Black Box Corporation.
12/2/2005 #13033
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IC108A:
• (1) RS-232↔485/422 Converter Plus
• (1) Power supply
• (1) Users’ manual
IC108C, IC109C:
• (1) RS-232↔485/422 Converter Plus Rackmount Card or Converter
Plus with Opto-Isolation Rackmount Card
• (1) Users’ manual
IC109A-R3:
• (1) RS-232↔485/422 Converter Plus with Opto-Isolation
• (1) Power supply
• (1) 6-ft. (1.8-m) AT
®
Modem Cable, Premium, DB9 Female/
DB25 Male, 9-Conductor, 24 AWG (EVMBMC-0006)
• (1) 6-ft. (1.8-m) PC Modem Cable, Standard, DB25 Male/DB25
Female, 10-Conductor, 28 AWG (BC00401)
• (1) Users’ manual
Data Rate: Up to 115 kbps,
transparent to data
Optical Isolation: IC109A-R3 and
IC109C only
Operation: Point-to-point or
multipoint; 4-wire half- or full
duplex; 2-wire half-duplex;
transparent to data; selectable
RTS-to-CTS delay with option to
inhibit CTS if CD is present (DCE);
DTE or DCE configurable RS-232
port; normal or loopback
operation
Pins Supported: RS-232 port: TD,
RD, RTS, CTS, CD, DTR, DSR,
SG, and FG;
RS-485 port: TXA, TXB, RXA, RXB
Timeout Delay: 0.15, 0.7, 2, 7, or
70 msec (for the RS-485 driver
enabled by data feature)
Interface: (1) Asynchronous RS-232
port (DTE/DCE selectable);
(1) asynchronous RS-485 port
with improved surge protection
and switch-selectable line
termination or line bias
Connectors: (1) DB25 female (DTE or
DCE, RS-232 port), (1) 4-screw
terminal block (RS-485 port)
Indicators: (5) LEDs: TX, RX, RTS,
CD, and PWR
Temperature Tolerance:
Operating: 32 to 122°F (0 to 50°C);
Storage: -4 to +158°F (-20 to
+70°C)
Humidity Tolerance:
Up to 95%, noncondensing
MTBF: Approximately 180,000 hours
(ground benign environment)
Power: IC108A and IC109A-R3:
PS154 (Input is 120V, 60 Hz,
and 20W; Output is AC 17 VCT
and 0.7A);
IC108C and IC109C: Powered by
the RM005 rack
Size: IC108A and IC109A-R3: 1.8"H x
5.5"W x 8.5"D (4.6 x 14 x
21.6 cm);
IC108C and IC109C: 7.4"L x 4.7"W
(18.8 x 11.9 cm), 0.6 inches
(1.5 cm) thick
Weight: IC108A and IC109A-R3: 1 lb.
(0.5 kg);
Power supply only (PS154): 0.4 lb.
(0.2 kg)
What the Package Includes
RS-232↔485/422
Converter Plus
PLC
PLC
PLC
Specifications
Ordering Information
ITEM CODE
RS-232↔RS-485/422 Converter Plus
Standalone .................................................................IC108A
Rackmount Card........................................................IC108C
RS-232↔RS-485/422 Converter Plus with Opto-Isolation
Rackmount Card........................................................IC109C
Standalone with cables....................................IC109A-R3
Y
ou might also need to order…
2-Pair, Category 3 Twisted-Pair Cable .................EYN712A
Multi-Function Rack.....................................................RM005
In the application shown, an
industrial controller is used
to gather information from
several remote programmable logic controller
stations (PLCs). A system
protocol has been defined so
that all the PLCs receive the
information sent by the
industrial controller, but only
the remote station specifically addressed will respond.
In this system, the industrial
controller and all the remote
stations are DTE devices.
Industrial
Controller
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