Technical data

Publication 1794-2.1 - January 2000
58 24V dc 4 Source Output Module Cat. No. 1793-OB4P and -OB4PS FLEX I/O and FLEX Integra Product Data
Specifications - 1793-OB4P and -OB4PS
Number of Channels 1 group of 4, nonisolated
Module Location DIN-rail mounted
Module Type 4 digital output - sourcing, protected
1793-OB4P - screw-clamp terminations
1793-OB4PS - spring-clamp terminations
ON-State Voltage 10-31.2V dc; 24V dc nominal
ON-State Current 1-500mA per channel
OFF-State Voltage 31.2V dc maximum
OFF-State Current 0.5mA maximum leakage
Channel Impedance 1.0Ω (0.5v maximum drop)
Surge Current 1.5A for 50ms, repeatable every 2s
Dielectric Withstand Test Channel to system - 850V dc for 1s
Channel to channel - none
Maximum Input
Delay Times
OFF to ON
ON to OFF
0.5ms maximum
1.0ms maximum
Flexbus Current 20mA maximum
Power Dissipation 1.3W @ 31.2V dc
Thermal Dissipation 4.4 BTU/hr @ 31.2V dc
Indicators 4 yellow channel status indicators
General Specifications
External dc Power
Voltage
Current
19.2-31.2V dc (5% ac ripple)
80mA
Dimensions HxWxD 69mm x 55mm x 80mm
(2.72in x 2.17in x 3.15in)
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) maximum insulation, 90C
minimum temperature rating
2
1
Terminal Screw Torque 4-7 inch-pounds
Publication
Installation Instructions 1793-5.2
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.”