Rockwell Automation 1794-IV16_OV16_OV16P Flex I/O Digital DC Sourcing Input and Sinking Output Modules I.I. - Manual (Page 4)

Publication 1794-IN095A-EN-P - April 2004 4 PN 957726-40
Supersedes Publication 1794-IN028B-EN-P - October 2002, 1794-5.29 - July 1999 and 1794-5.52 - May 1998 Copyright © 2004 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.
Derating Chart for the 1794-IV16
Indicators (field side
indication, customer device
driven) 16 yellow status indicators
Input Filter Time 1
Off to On
On to Off
0.25ms, 0.5ms, 1ms, 2ms, 4ms, 8ms, 16ms, 32ms
0.25ms, 0.5ms, 1ms, 2ms, 4ms, 8ms, 16ms, 32ms
0.25ms default - Selectable using configuration word 3
1 Input off-to-on filter time is the time from a valid input signal to recognition by the module. Input on-to-off filter
time is time from the input signal dorpping below the valid level to recoginition by the module.
Specifications - 16 Output Modules 1794-OV16 and -OV16P
1794-OV16 1794-OV16P
Number of Outputs 16, nonisolated, sinking
Module Location Cat. No. 1794-TB3, -TB3S
On-state Voltage
Range 10V dc minimum
24V dc nominal
31.2V dc maximum
Output Current Rating 8.0A (16 outputs @ 0.5A)
Off-state Voltage 31.2 dc maximum
On-state Current 1.0mA minimum per channel
500mA maximum per channel
Surge Current 2A for 50ms, repeatable every 2s
Off-state Leakage 0.5mA maximum
On-state Voltage Drop 0.2V dc maximum
Isolation Voltage Tested at 2121V dc for 1s between user and system
No isolation between individual channels
Output Signal Delay 1 Off to On - 0.5ms maximum
On to Off - 1.0ms maximum
Flexbus Current 80mA
Power Dissipation 4.2W maximum @ 31.2V dc
Thermal Dissipation Maximum 14.3 BTU/hr @ 31.2V dc
Indicators (field side
indication, logic driven) 16 yellow status indicators
Fusing Module outputs are not fused.
Fusing is recommended. If fusing
is desired, you must provide
external fusing. Use SAN-O
MQ4-800 800mA fuses Outputs are electronically
protected.
1 The time from the receipt of an on or off command to the output actually turning on or off.
General Specifications
Terminal Base Screw
Torque 7 pound-inches (0.8Nm)
Dimensions (with module
installed) 3.7H x 3.7W x 2.7D inches
94H x 94W x 69D mm
External dc power
Supply voltage
Voltage range
Supply current
24V dc nominal
1794-OV16, -OV16P - 10.0 to 31.2V dc (includes 5% ac ripple)
1794-IV16 - 10 to 31.2V dc (includes 5% ac ripple) (see derating curve)
1794-OV16, -OV16P - 49mA @ 24V dc (21-65mA)
Keyswitch Position 2
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% 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 IEC 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
10V/m with 200Hz 50% Pulse 100%AM at 900Mhz
±1kV line-earth(CM) on shielded ports
EFT/B Immunity IEC 61000-4-4:
±2kV at 5kHz on signal ports
Surge Transient
Immunity IEC 61000-4-5:
±1kV line-line(DM) and ±2kV line-earth(CM) on signal ports
Conducted RF
Immunity IEC 61000-4-6:
10Vrms with 1kHz sine-wave 80%AM from 150kHz to 80MHz
Enclosure Type Rating None (open-style)
Conductors Wire Size
Category 1
12AWG (4mm 2 ) stranded copper wire rated at 75°C or higher
3/64 inch (1.2mm) insulation maximum
2
Certifications (when
product is marked)
2
UL UL Listed Industrial Control Equipment
CSA CSA Certified Process Control Equipment
CSA CSA certified for Class I, Division 2, Groups A, B, C and
Hazardous locations
EEx 2 European Union 94/9/EEC ATEX Directive, compliant with:
EN 50021; Potentially Explosive Atmospheres,
Protection “n” (Zone 2)
CE 2 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 2 Australian Radiocommunications Act compliant with
AS/NZS CISPR 11, Industrial Emissions
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 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/.
Voltage Temperature (max.)
Normal Other
Voltage Temperature (max.)
Normal Other
31.2 37 32 29.0 51 45
30.5 41 36 28.5
55
48
30.0 45 39 28.0 51
29.5 48 42 27.5 55
0
15
10
25
20
30
31.2
10 20 30 40 50 55 60
V in
On-state
Voltage
(V dc)
Ambient Temperature o C
The area within the curve represents the safe operating range for the module under
various conditions of user supplied 24V dc supply voltages and ambient temperatures.
= Normal mounting safe operating range, (includes ).
= Other mounting positions (including inverted horizontal) safe operating range
37 32
28.5
27.5