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Rockwell Automation Publication 1734-UM013J-EN-P - July 2014
Appendix C
Specifications
Safety Digital Output Module Specifications
Attribute
1734-OB8S Series B
Safety Output
Outputs per module
8
Output type
Current sourcing
Output current (each output point), max
1 A @ 40 °C (104 °F)
0.5 A @ 55 °C (131 °F)
1734‐OB8S Series B temperature versus current per
output point ‐ derating for both horizontal and vertical
installations
Aggregate current of outputs per module
(1)
8 A (4 A per terminal base) @ 40 °C (104 °F)
2A (1A per terminal base) @ 55 °C (131 °F)
1734‐OB8S Series B temperature versus aggregate current
per module ‐ derating for both horizontal and vertical
installations
Pulse width
475
μ
s
Pulse period
575 ms
Maximum field capacitance limit permitted per output
950 nF
On-state voltage drop
0.165V
Leakage current, max
0.1 mA
Short-circuit detection
Yes (short high and low and cross-circuit detect)
Short-circuit protection
Electronic
Reaction time
<6.2 ms
POINTBus
POINTBus current, max
125 mA
Power dissipation, max
(2)
3.5 W
Thermal dissipation, max
11.96 BTU/hr
Power dissipation, typical
(3)
2.5 W
Isolation voltage
50V (continuous), Basic Insulation Type between field
side and system
No isolation between individual channels
Type tested at 860V AC DC for 60 s
Power bus, operating supply voltage
24V DC nom, Class 2
1 A
0.5 A
-20 °C
(-4 °F)
40 °C
(104 °F)
55 °C
(131 °F)
8 A
2 A
-20 °C
(-4 °F)
40 °C
(104 °F)
55 °C
(131 °F)
Содержание Allen-Bradley 1734-IB8S
Страница 1: ...POINT Guard I O Safety Modules Catalog Numbers 1734 IB8S 1734 OB8S 1734 IE4S User Manual ...
Страница 4: ...4 Rockwell Automation Publication 1734 UM013J EN P July 2014 Summary of Changes Notes ...
Страница 10: ...10 Rockwell Automation Publication 1734 UM013J EN P July 2014 Table of Contents ...
Страница 14: ...14 Rockwell Automation Publication 1734 UM013J EN P July 2014 Preface Notes ...
Страница 22: ...22 Rockwell Automation Publication 1734 UM013J EN P July 2014 Chapter 1 POINT Guard I O Overview Notes ...
Страница 150: ...150 Rockwell Automation Publication 1734 UM013J EN P July 2014 Chapter 8 Replacing POINTGuard I O Modules Notes ...
Страница 180: ...180 Rockwell Automation Publication 1734 UM013J EN P July 2014 Appendix C Specifications Notes ...
Страница 186: ...186 Rockwell Automation Publication 1734 UM013J EN P July 2014 Appendix D Safety Data Notes ...
Страница 190: ...190 Rockwell Automation Publication 1734 UM013J EN P July 2014 Appendix E Configuration Parameters Notes ...
Страница 204: ...204 Rockwell Automation Publication 1734 UM013J EN P July 2014 Appendix G History of Changes Notes ...
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