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D4
IEEE-488 CONTROLLERS AND
COMMUNICATION ADAPTORS
⻬ Single
and Dual
Channel
Interfaces
⻬ Reliable Communication
up to 5000 Feet (1.5 km)
⻬ OEM Security Feature
for Software Protection
(OMG-ACB-II)
⻬ Selectable Address
⻬ Individually Selectable
Interrupts 3–5 and
DMA Channel 1–3
⻬ 2 or 4-Wire RS-422
Operation
⻬ DB-25 Male Shielded
Connectors
⻬ Driver Software
Examples Provided
⻬ WIN 95/98/ME/NT/2000/XP
HDLC/SDLC Drivers,
Applications, and Sample
Source Code Included
D4-30
The OMG-ACB Series provides the
PC-based system with single/dual
high-speed synchronous/
asynchronous links to instruments
requiring extremely fast data flow.
The RS-422 communications
standard allows the OMG-ACB
to communicate reliably at high
speeds under harsh conditions,
which makes it an ideal solution for
industrial environments.
OMG-ACB Synchronous/Asynchronous
RS-232/422/485/530 Interfaces
For IBM PC/XT/AT and Compatibles
$
199
Basic Unit
To Order
(Specify Model Number)
Model No. Price Description
OMG-ACB-II $199 Single port high speed RS-232/422/485/530 interface
OMG-ACB-IV 319 Dual port high speed RS-422/485/530 interface
Comes complete with operator’s manual.
Ordering Example: OMG-ACB-IV dual-port high speed RS-232/422/485 interface, and
OMEGACARESM1-year extended warranty for OMG-ACB-IV (adds 1 year to standard
1 year warranty), $319 + 31 = $350.
OMG-ACB-IV, $199, shown
smaller than actual size
Specifications
SERIAL COMMUNICATIONS
Controller: 85230-8
Protocols Supported: X.25, SDLC,
HDLC, MONOSYNC, BISYNC, and
high speed ASYNC
Ports: OMG-ACB-II: single
RS-232/422/485/530; OMG-ACB-IV:
dual RS-422/485/530
Max Data Rate: 1.2288 Mbps
Max Data Distance: 5000'
@ 9600 bps
RS-485 Operation: Two or four wire
Connectors: 25-pin sub-D
Operating Ambient: -0 to 50˚C
(32 to 122˚F); 0 to 90% RH
Storage Ambient: -20 to 70˚C
(-4 to 158˚F)
Power: OMG-ACB-II: +5 V @ 275
mA, ±12 V @ 50 mA each;
OMG-ACB-IV: +5 V @ 710 mA
Line noise, present in industrial
environments, is eliminated over the
RS-422 line. By utilizing RS-422,
factory applications requiring long
distance communications operate
with high data integrity. Signals are
transmitted and received via
25-pin sub-D connector(s). The
OMG-ACB-II is also capable of
RS-232 for applications requiring
shorter distances and RS-232
compatibility.
Balanced differential drivers
and receivers are utilized to
provide RS-422 and RS-485
communications. Selectable
interrupts (IRQ levels) increases
the card’s versatility. Distances
of 5000 ft in noisy industrial
environments are easily
accommodated with the OMG-ACB.
ALL MODELS AVAILABLE FOR FAST DELIVERY!
IBM PC
SERIAL I/O
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