190 Rockwell Automation Publication 1734-UM013N-EN-P - September 2017
Appendix C Specifications
1734 -IB8S Series B temperature vs. aggregate current
per module derating for both horizontal and vertical
installations
Pulse width 525 μs
Pulse period 144 ms
Maximum field capacitance limit permitted per test
output
100 nF
Current, max (when used to control muting lamp) 25 mA (to avoid fault when used as a muted lamp output)
Current, min (when used to control muting lamp) 5 mA (at which fault indication is generated when used as a
muted lamp output)
Residual voltage, max 0.3V
Output leakage current, max 0.1 mA
Short circuit protection Yes
POINTBus
POINTBus current, max 110 mA
Power dissipation, max
(1)
3.0 W
Thermal dissipation, max 10.25 BTU/hr
Power dissipation, typical
(2)
2.25 W
Isolation Voltage 50V (continuous), Basic Insulation Type between field side
and system.
No isolation between individual channels.
Type tested at 500V AC for 60 s.
Pilot duty rating Test Outputs: Not rated
North America temp code T4
ATEX temp code T4
Power bus, operating supply voltage 24V DC nom, Class 2
Power bus, operating voltage range 19.2…28.8V DC, Class 2
Power bus current (no load), max 25 mA
Attribute 1734-IB8S Series B
2.8 A
-20 °C
(-4 °F)
40 °C
(104 °F)
55 °C
(131 °F)
0.55 A
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