Technical data

Publication 1794-2.1 - January 2000
FLEX I/O and FLEX Integra Product Data
220V ac 8 Output Module Cat. No. 1794-OM8 47
Derating Curve
Specifications - 1794-OM8
Number of Outputs 8 (1 group of 8), non-isolated
Module Location Cat. No. 1794-TBN or -TBNF Terminal Base Unit
Module Mounting Refer to derating curve
Maximum On-State
Voltage Drop
1.5V @ 0.5A
ON-State Current 50mA per output minimum
500mA per output maximum @ 55
o
C
OFF-State Leakage 2.5mA maximum
Output Voltage Range 159-264V ac, 47-63Hz
Output Current Rating 4.0A (8 outputs @ 500mA)
Isolation Voltage 100% tested at 2600V ac for 1s between user
and system
No isolation between individual channels
No isolation between customer power and
output channels
Output Signal Delay
OFF to ON
ON to OFF
1/2 cycle maximum
1/2 cycle maximum
Flexbus Current (max) 60mA
Power Dissipation 5W maximum @ 0.5A
Thermal Dissipation 17.1 BTU/hr @ 0.5A
Indicators (field side
indication, logic driven)
8 yellow status indicators
Keyswitch Position 8
Surge Current 7A for 40ms, repeatable every 8s
Fusing Use 0.8A, 250V ac MQ4 normal fuse
General Specifications
External ac Power
Supply Voltage
Input Frequency
Voltage Range
220V ac nominal
47-63Hz
159 to 264V ac (see derating curve)
Dimensions HxWxD 46mm x 94mm x 53mm (1.8in x 3.7in 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
1
1
Publication
Installation Instructions 1794-5.58
Agency Certification
1
Use this conductor category information for planning conductor routing. Refer to
publication 1770-4.1,ӓIndustrial 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
Mounting Temperature (maximum)
normal horizontal
55
o
C
Other mounting positions (including
inverted horizontal, vertical)
49
o
C
264
250
235
220
205
190
175
150
010 2030 4049505560
V
in
On-State
Voltage
(V ac)
Ambient Temperature
o
C
The area within the curve represents the safe operating range for the module u
n
various conditions of user supplied 220V ac supply voltages and ambient tempe
r
=Normal mounting safe operating range
Included
=Other mounting positions (including inverted horizontal,
vertical) safe operating range
41270