Rockwell Automation 1794-OE4K/B FLEX I/O Input, Output and Input/Output Analog - Manuel (Page 5)

5
Publication 1794-IN100B-EN-P - June 2004
Output Specifications
Number of Outputs 1794-OE4, -OE4K - 4 single-ended, nonisolated
1794-IE4XOE2 - 2 single-ended, nonisolated
Resolution
Voltage
Current
12 bits plus sign
0.156mV/cnt
0.320
μΑ/cnt
Data Format left justified, 16 bit 2’s complement
Conversion Type Pulse width modulation
Output Current Terminal 0mA output until module is configured
4-20mA (user configurable
0-20mA (user configurable
Output Voltage Terminal 0V output until module is configured
+10V (user configurable)
0-10V user configurable)
Step Response to 63% -
Voltage or Current Terminal 24ms
Current Load on voltage output 3mA maximum
Absolute Accuracy 1
Voltage Terminal
Current Terminal 0.133% Full Scale @ 25°C
0.425% Full Scale @ 25°C
Accuracy Drift with
Temperature
Voltage Terminal
Current Terminal
0.0045% Full Scale/°C
0.0069% Full Scale/°C
Resistive Load on mA Output 15-750 ohm @ 24V dc
General Specifications for 1794-IE8, -IE8K, -OE4, -OE4K, and -IE4XOE2
Module Location Cat. No. 1794-IE8, -IE8K, -IE4XOE2 - 1794-TB2, -TB3, -TB3S,
-TB3T, -TB3TS Terminal Base Unit
Cat. No. 1794-OE4, -OE4K - 1794-TB2, -TB3, -TB3S, -TB3T,
-TB3TS, and -TBN Terminal Base Unit
Terminal Base Screw Torque 7 pound-inches (0.8Nm)
9 pound-inches (1.0Nm) for 1794-TBN
Isolation Voltage Tested at 850V dc for 1s between user power to system
No isolation between individual channels
External dc Power Supply
Voltage Range
Supply Current
24V dc nominal
10.5 to 31.2V dc (includes 5% ac ripple)
1794-IE8, -IB8K - 60mA @ 24V dc; 150mA @ 12V dc
1794-OE4, -OE4K - 70mA @ 24V dc; 150mA @ 12V dc
1794-IE4XOE2 - 70mA @ 24V dc; 150mA @ 12V dc
Dimensions (with module
installed) 31.8H x 3.7W x 2.1D inches
45.7H x 94W x 53.3D mm
Flexbus Current 20mA
Power Dissipation 1794-IE8, -IB8K - 3.0W maximum @ 31.2V dc
1794-OE4, -OE4K - 4.5W maximum @ 31.2V dc
1794-IE4XOE2 - 4.0W maximum @ 31.2V dc
Thermal Dissipation 1794-IE8, -IB8K - Maximum 10.2 BTU/hr @ 31.2V dc
1794-OE4, -OE4K - Maximum 13.6 BTU/hr @ 31.2V dc
1794-IE4XOE2 - Maximum 15.3 BTU/hr @ 31.2V d
Keyswitch Position 1794-IE8, -IB8K - 3
1794-OE4, -OE4K - 4
1794-IE4XOE2 - 5
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, Unpackaged Nonoperating
Damp Heat):
5 to 95% non-condensing
Vibration IEC60068-2-6 (Test Fc, Operating):
5g @ 10-500Hz
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 EC 61000-4-2:
4kV contact discharges
8kV air discharges
Radiated RF Immunity IEC 61000-4-3:
10V/m with 1kHz sine-wave 80%AM from 30MHz to 1000MHz
Conducted RF Immunity IEC 61000-4-6:
10V rms with with 1kHz sine-wave 80%AM from 150kHz to
30MHz
EFT/B Immunity IEC 61000-4-4:
±2kV at 5kHz on signal ports
Surge Transient
Immunity IEC 61000-4-5:
±2kV line-earth (CM) on shielded ports
Enclosure Type Rating None (open-style)
Conductors Wire Size
Category 2
22-12AWG (0.34mm 2 -2.5mm 2 ) stranded copper wire rated at
75°C or higher
3/64 inch (1.2mm) insulation maximum
2
Certifications (when product
is marked)
3
UL UL Listed Industrial Control Equipment
UL UL Listed for Class I, Division 2 Group A,B,C,D
Hazardous Locations
C UL US UL Listed Industrial Control Equipment, certified for US
and Canada (1794-IE8, -OE4)
C UL UL Listed for Class I, Division 2 Group A,B,C,D Hazardous
Locations, certified for Canada (1794-IE8, -IE8K, -OE4,
-OE4K)
CSA CSA certified Process Control Equipment
CSA CSA certified for Class I, Division 2, Groups A, B, C and D
Hazardous locations
EEx 3 European Union 94/9/EEC ATEX Directive, compliant
with:
EN 50021; Potentially Explosive Atmospheres,
Protection “n” (European Zone 2)
CE 3 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 3 - Australian Radiocommunications Act compliant with
AS/NZS CISPR 11, Industrial Emissions
1 Includes offset, gain, nonlinearity and repeatability error terms.
2 You use this category information for planning conductor routing as described in Allen-Bradley
publication 1770-4.1, Industrial Automation Wiring and Grounding Guidelines.
3 For the latest up-to-date information, see the Product Certification link at www.ab.com for Declarations of
Conformity, Certificates and other certification details. For notification of any additional release notes, refer to
www.ab.com/manuals/.