Specifications – Rockwell Automation 1794-ASB/E_ASB2/D_ASBK/E_ASB2K/D Remote I/O Adapter Modules Installation Instructions User Manual
Page 5
FLEX I/O Remote I/O Adapter Modules 5
Publication 1794-IN098E-EN-P - January 2011
Complementary I/O Rack Number Switch Settings for PLC-5 Processors
(refer to your processor documentation for all other processors)
Specifications
Primary Rack
Rack Number
S1 Switch Position
1747-SN
PLC-5
6
5
4
3
2
1
Rack 0
Not Valid
ON
ON
ON
ON
ON
OFF
Rack 1
Rack 1
OFF
ON
ON
ON
ON
OFF
Rack 2
Rack 2
ON
OFF
ON
ON
ON
OFF
Rack 3
Rack 3
OFF
OFF
ON
ON
ON
OFF
Rack 4
ON
ON
OFF
ON
ON
OFF
Rack 5
OFF
ON
OFF
ON
ON
OFF
Rack 6
ON
OFF
OFF
ON
ON
OFF
Rack 7
OFF
OFF
OFF
ON
ON
OFF
Complementary Rack
Rack Number
S1 Switch Position
1747-SN
PLC-5
6
5
4
3
2
1
Rack 0
Not Valid
ON
ON
ON
OFF
ON
ON
Rack 1
Rack 1
OFF
ON
ON
OFF
ON
ON
Rack 2
Rack 2
ON
OFF
ON
OFF
ON
ON
Rack 3
Rack 3
OFF
OFF
ON
OFF
ON
ON
Rack 4
ON
ON
OFF
OFF
ON
ON
Rack 5
OFF
ON
OFF
OFF
ON
ON
Rack 6
ON
OFF
OFF
OFF
ON
ON
Rack 7
OFF
OFF
OFF
OFF
ON
ON
Specifications – 1794-ASB/E, 1794-ASBK/E, and 1794-ASB2/D
1794-ASB/E, 1794-ASBK/E
1794-ASB2/D
I/O capacity
8 modules
2 modules
Power supply
Power supply must be capable of providing a turn-on inrush surge
current of 23 A (at 24V DC) for 2 ms for each adapter connected to
the power supply.
Input voltage range
19.2V…31.2 V DC, 450 mA
Output voltage
5V DC, 640 mA
Communication rate
57.6 Kbps
115.2 Kbps
230.4 Kbps
Indicators
Power – green; Adapter active – green; Adapter fault – red; Local
fault – red
Dimensions
(H x W x D)
87 x 69 x 69 mm
3.4 x 2.7 x 2.7 inches
Isolation voltage
50V (continuous), Basic Insulation Type
Type tested at 750V DC for 60 s, power to system, power to RIO,
and RIO to system
Current draw
330 mA at 24V DC; 450 mA max
Power dissipation, max
4.6 W
Thermal dissipation,
max
1.7 BTU/hr @ 31.2V DC
Enclosure type rating
None (open-style)
Wire size
Power and RIO connections:
Single wire connection: 0.33... 2.5 mm
2
(22...12 AWG) solid or
stranded copper wire rated at 75 °C (167 °F ) or greater 1.2 mm
(3/64 in.) insulation max
Double wire connection: 0.33... 1.3 mm
2
(22...16 AWG) solid or
stranded (not intermixed) copper wire rated at 75 °C (167 °F ) or
greater 1.2 mm (3/64 in.) insulation max
Wire category
(1)
(1)
Use this Conductor Category information for planning conductor routing. Refer to Industrial Automation Wiring and
Grounding Guidelines, publication
.
3 – on power ports
2 – on communications ports
Terminal screw torque
0.8 Nm (7 lb-in.)
Remote I/O cable
Belden 9463 or equivalent
Remote I/O connector
plug
Part number 942029-03
North American temp
code
T4A
IEC temp code
T4