General specifications, Environmental specifications, Certifications – Rockwell Automation 1794-IB8_IB16_IB16K_IB32 Flex I/O Digital Input Modules Installation Instructions User Manual
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Publication 1794-IN093C-EN-P - December 2009
Specifications - 24V DC 32 Input Module, Cat. No. 1794-IB32
General Specifications
Environmental Specifications
Certifications
Specification
Description
Number of inputs
32 (2 groups of 16), nonisolated within groups, sinking
Module location
1794-TB32 or 1794-TB32S terminal base unit
On-state voltage, min.
19.2V DC
On-state voltage, nom.
24V DC
On-state voltage, max.
31.2V DC
On-state current, min.
2.0 mA
On-state current, nom.
4.1 mA at 24V DC
On-state current, max.
6.0 mA
Off-state voltage, max.
5.0V DC
Off-state current, max.
1.5 mA
Input impedance
6.0K
Ω
Isolation voltage
50V (continuous), Basic Insulation Type, between field side and system
No isolation between individual channels
Routine tested at 2121V DC for 2 s
Flexbus current
25 mA at 5V DC
Power dissipation
6.0W max. @ 31.2V DC
Thermal dissipation
Max. 20.5 BTU/hr @ 31.2V DC
Specification
Description
Input filter time
(1)
Off to On
On to Off
(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 dropping below the valid level to recognition by the module.
0.25 ms, 0.5 ms, 1 ms, 2 ms, 4 ms, 8 ms, 16 ms, 32 ms
0.25 ms, 0.5 ms, 1 ms, 2 ms, 4 ms, 8 ms, 16 ms, 32 ms
0.25 ms default - Selectable using configuration word 3
Terminal base screw torque
Determined by installed terminal base.
Dimensions (HxWxD, with
module installed)
94 x 94 x 69 mm
(3.7 x 3.7 x 2.7 in.)
Indicators (field side indication,
customer device driven)
1794-IB8: 8 yellow status indicators
1794-IB16, -IB16K: 16 yellow status indicators
1794-IB32: 32 yellow status indicators
External DC power
Supply voltage, nom.
Voltage range
24V DC
1794-IB8, -IB16, -IB16K: 10…31.2V DC (includes 5% AC ripple)
1794-IB32: 19.2…31.2V DC (includes 5% AC ripple)
North American temp code
1794-IB8 and -IB32: T3C; 1794-IB16 and -IB16K: T4A
IEC temp code
1794-IB8: T3; 1794-IB16 and -IB16K: T4
Specification
Description
Temperature, operating
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…55 °C (32…131 °F)
Temperature, storage
IEC 60068-2-1 (Test Ab, Unpackaged Non-operating Cold),
IEC 60068-2-2 (Test Bb, Unpackaged Non-operating Dry Heat),
IEC 60068-2-14 (Test Na, Unpackaged Non-operating Thermal Shock):
–40…85 °C (–40…185 °F)
Relative humidity
IEC 60068-2-30 (Test Db, Unpackaged Damp Heat):
5…95% non-condensing
Vibration
IEC 60068-2-6 (Test Fc, Operating):
5 g @ 10…500 Hz
Shock, operating
IEC 60068-2-27 (Test Ea, Unpackaged Shock):
30 g
Shock, non-operating
IEC 60068-2-27 (Test Ea, Unpackaged Shock):
50 g
Emissions
CISPR 11:
Group 1, Class A (with appropriate enclosure)
ESD immunity
IEC 61000-4-2:
4 kV contact discharges
8 kV air discharges
Radiated RF immunity
IEC 61000-4-3:
10V/m with 1 kHz sine-wave 80% AM from 80…2000 MHz (all)
10V/m with 200 Hz 50% pulse 100% AM at 900 MHz (all)
10V/m with 200 Hz 50% pulse 100% AM at 1890 MHz (1794-IB8, -IB16,
and -IB16K)
1V/m with 1 kHz sine-wave 80% AM from 2000…2700 MHz (1794-IB8)
3V/m with 1 kHz sine-wave 80% AM from 2000…2700 MHz (1794-IB16,
-IB16K, and -IB32)
EFT/B immunity
IEC 61000-4-4:
±2kV at 5 kHz 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:
10V rms with 1 kHz sine-wave 80% AM from 150 kHz…80 MHz
Enclosure type rating
None (open-style)
Wire size
Determined by installed terminal base.
Wiring category
(1)
(1)
Use this Conductor Category information for planning conductor routing. Refer to Industrial Automation Wiring and
Grounding Guidelines, publication
.
2 - on signal ports
Certifications (when product
is marked)
(1)
(1)
See the Product Certification link at
details.
Description
c-UL-us
UL Listed Industrial Control Equipment, certified for US and Canada. See
UL File E65584.
UL Listed for Class I, Division 2, Group A, B, C, D Hazardous Locations,
certified for US and Canada. See UL File 194810.
CSA
(for 1794-IB8, -IB16, and -IB16K)
CSA Certified Process Control Equipment. See CSA File LR54689C.
CSA Certified Process Control Equipment for Class I, Division 2, Group A,
B, C, D Hazardous Locations. See CSA File LR69960C.
CE
European Union 2004/108/EC EMC Directive, compliant with:
EN 61326-1; Meas./Control/Lab., Industrial Requirements
EN 61000-6-2; Industrial Immunity
EN 61000-6-4; Industrial Emissions
EN 61131-2; Programmable Controllers (Clause 8, Zone A & B)
C-Tick
Australian Radiocommunications Act compliant with:
AS/NZS CISPR 11; Industrial Emissions
Ex
(for 1794-IB8, -IB16, and -IB16K)
European Union 94/9/EC ATEX Directive, compliant with:
EN 60079-15; Potentially Explosive Atmospheres, Protection “n”
EN 60079-0; General Requirements
II 3 G Ex nA IIC T3 X (1794-IB8)
II 3 G Ex nA IIC T4 X (1794-IB16, -IB16K)
TÜV
(for 1794-IB16)
TÜV Certified for Functional Safety:
up to and including SIL 2