Rockwell Automation Publication 1734-UM013N-EN-P - September 2017 193
Specifications Appendix C
Power bus, operating voltage range 19.2…28.8V DC, Class 2
Power bus current (no load), max 50 mA
Indicators 1 yellow lock status indicator
1 green/yellow power status indicator
8 I/O channel status indicators
Keyswitch positions (left and right) Key 1 = 8 (left); Key 2 = 2 (right)
Pilot duty rating Not rated
North America temp code T4
ATEX temp code T4
IECEx temp code T4
Enclosure type rating None (open-style)
Wiring category
(4)
2 - on signal ports
Wire size Determined by installed terminal block
Terminal block torque Determined by installed terminal block
Weight, approx. 62.4 g (2.2 oz)
Dimensions (HxWxD), approx. (without terminal block) 77 x 25 x 55 mm (3.03 x 0.98 x 2.17 in.)
(1) To comply with UL certification requirements, field power must be supplied from one Class 2 compliant power supply (See Choosing
a Power Supply on page 47) which limits available field power to 100VA. Therefore, the aggregate current of outputs per module is
limited to a maximum set by the 100VA limit (unless derated further as shown) for applications that require UL listing.
(2) Maximum power dissipation applies when using 28.8V DC module supply and maximum power dissipated with all eight outputs in
the ON state.
(3) Typical power dissipation applies when using 24V DC module supply and nominal power dissipated with all eight outputs in the ON
state.
(4) Use this conductor category information for planning conductor routing. See the Industrial Automation Wiring and Grounding
Guidelines, publication 1770-4.1
.
Attribute 1734-OB8S Series B
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