Rockwell Automation Allen-Bradley 1734-IB8S, User Manual

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174 Rockwell Automation Publication 1734-UM013J-EN-P - July 2014
Appendix C Specifications
1734‐IB8S Series B temperature versus aggregate current
per module ‐ derating for both horizontal and vertical
installations
Pulse width 525
μ
s
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 0.3 V
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 50 V (continuous), Basic Insulation Type between field
side and system.
No isolation between individual channels.
Type tested at 500V AC for 60 s.
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