Technical data

Publication 1794-2.1 - January 2000
76 24V dc 16 Source Output (Protected) Module Cat. No. 1794-OB16P FLEX I/O and FLEX Integra Product Data
Derating Curve
Specifications - 1794-OB16P
Number of Outputs 16 (1 group of 16), non-isolated, sourcing
Module Location Cat. No. 1794-TB2, -TB3, or -TB3S
Terminal Base Unit
ON-State Voltage Range 10V dc minimum
24V dc nominal;
31.2V dc maximum
ON-State Voltage Drop 0.5V dc maximum
ON-State Current 1.0mA minimum per channel
500mA maximum per channel
OFF-State Voltage 31.2V dc maximum
OFF-State Leakage 0.5mA maximum
Isolation Voltage (min) 100% tested at 2121V dc for 1s between user and
system
No isolation between individual channels
Output Signal Delay
OFF to ON
ON to OFF
0.5ms maximum
1.0ms maximum
Flexbus Current (max) 60mA
Power Dissipation 5.0W maximum @ 31.2V
Thermal Dissipation 17.0 BTU/hr @ 31.2V dc
Indicators (field side
indication, logic driven)
16 yellow status indicators
Output Current Rating 8A (16 outputs @ 0.5A)
Surge Current 1.5A for 50ms, repeatable every 2s
Keyswitch Position 2
Fusing Outputs are electronically protected
General Specifications
External dc Power
Supply Voltage
Voltage Range
Supply Current
24V dc nominal
10 to 31.2V dc (includes 5% ac ripple)
60mA @ 24V dc (25mA to 75mA)
(Refer to the Derating Curve below)
Dimensions HxWxD 46mm x 94mm x 53mm (1.8in x 3.7 in x 2.1in)
Environmental Conditions
Operational Temperature
Storage Temperature
Relative Humidity
Shock Operating
Non-operating
Vibration
0 to 55
o
C (32 to 131
o
F)
-40 to 85
o
C (-40 to 185
o
F)
5 to 95% noncondensing
30g peak acceleration, 11(±1)ms pulse width
50g peak acceleration, 11(±1)ms pulse width
Tested 5g @ 10-500Hz per IEC 68-2-6
Conductors Wire Size
Category
12 gauge (4mm
2
) stranded maximum
3/64 inch (1.2mm) insulation maximum
2
1
Publication
Installation Instructions 1794-5.45
Agency Certification
1 Use this conductor category information for planning conductor routing. Refer to
publication 1770-4.1, “Industrial Automation Wiring and Grounding Guidelines for Noise
Immunity.”
Class I Division 2 certified
Groups A, B, C, D certified
Class I Zone 2 Group IIC certified
40220
31.2
30
25
20
15
10
0102030
40
50 6055
V
in
O
n-state
Voltage
(V dc)
Ambient Temperature
o
C
The area within the curve represents the safe operating range for the module under v
a
conditions of user supplied 24V dc supply voltages and ambient temperatures.
= Normal mounting safe operating range,
included
= Other mounting positions (including inverted horizontal) safe
operating range)
28.5
27.5
3732
Normal Mounting - Horizontal
Other Mounting (including Vertical and Inverted Horizontal Mounting)
40221