Specifications, Mounting dimensions – Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module Installation Instructions User Manual
Page 5

5
Publication 1794-IN087C-EN-P - July 2005
Specifications
Mounting Dimensions
Specifications - PROFIBUS Adapter Cat. No. 1794-APB/B
I/O Capacity
8 modules
Input Voltage Rating
24V dc nominal
19.2V to 31.2 V dc (includes 5% ac ripple)
Input Current
450 mA maximum, 330 mA at 24V dc
Inrush Current
23 A for 2 ms
Communication Rate
All rates up to 12.0 Mbits/s
Indicators
Status- red/green
PROFIBUS- red/green
Flexbus Output Current
640 mA maximum
Isolation Voltage
Tested at 850V dc for 1s between user power and flexbus
Power Dissipation
7.68 W maximum @ 19.2V dc
Thermal Dissipation
Maximum 26 BTU/hr @ 19.2V dc
Dimensions
3.4H x 2.7W x 2.7D inches
87H x 69W x 69D mm
Environmental Conditions
Operating Temperature
IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
0 to 55 °C (32 to 131 °F)
Storage Temperature
IEC 60068-2-1 (Test Ab, Un-packaged Non-operating Cold),
IEC 60068-2-2 (Test Bb, Un-packaged Non-operating Dry Heat),
IEC 60068-2-14 (Test Na, Un-packaged Non-operating Thermal
Shock):
–40 to 85 °C (–40 to 185 °F)
Relative Humidity
IEC 60068-2-30 (Test Db, Un-packaged Non-operating
Damp Heat):
5 to 95% noncondensing
Vibration
IEC60068-2-6 (Test Fc, Operating):
5g @ 10-500 Hz
Shock
IEC60068-2-27 (Test Ea, Unpackaged shock):
Operating 30g
Non-operating 50g
Emissions
CISPR 11:
Group 1, Class A (with appropriate enclosure)
ESD Immunity
IEC 61000-4-2:
8 kV air discharges
Radiated RF Immunity
IEC 61000-4-3:
10 V/m with 1kHz sine-wave 80%AM from 30 MHz to 1000 MHz
EFT/B Immunity
IEC 61000-4-4:
±2 kV at 5 kHz on communication ports
Surge Transient
Immunity
IEC 61000-4-5:
±2 kV line-earth (CM) on shielded ports
Conducted RF Immunity
IEC 61000-4-6:
10Vrms with 1 kHz sine-wave 80%AM from 150 kHz to 30 MHz
Enclosure Type Rating
None (open-style)
Power Conductors
Wire Size
Category
1
12 AWG (2.5 mm
2
) stranded copper wire rated at 75 °C or higher
3/64 inch (1.2 mm) insulation maximum
2
Terminal Screw Torque
7 pound-inches (0.8 Nm)
PROFIBUS Cable
Standard drop cable
PROFIBUS connector Plug
9-pin D-shell
Certifications (when
product is marked)
2
C
-UL-
US
UL Listed for Class I, Division 2, Groups A, B, C and D
Hazardous locations, certified for US and Canada
CE
European Union 89/336/EEC EMC Directive,
compliant with:
EN 61000-6-4; Industrial Emissions
EN 50082-2; Industrial Immunity
EN 61326; Meas./Control/Lab., Industrial Requirements
EN 61000-6-2; Industrial Immunity
C-Tick Australian Radiocommunications Act compliant with
AS/NZS CISPR 11, Industrial Emissions
Publications
User Manual 1794-UM059
1
You use this category information for planning conductor routing as described in Allen-Bradley
publication 1770-4.1, Industrial Automation Wiring and Grounding Guidelines.
2
See the Product Certification link at www.ab.com for Declarations of Conformity, Certificates and other
certification details.
Inches
(Millimeters )
3.4
(87)
3.2
(80)
2.7
(68)
.83 (21)
1794-APB/B
3.4H x 2.7W x 2.7D
(87H x 68W x 69D)
1.4
(35)
A
2.3
(59)
A
= Mounting hole dimensions for optional mounting kit
B
B
= DIN rail
2.0
(50)
1.2
(28)
C
C
= Secure DIN rail approximately every 200mm
24V DC
Adapter
PROFIBUS