Momentum Modbus Plus 170 PNT Series Uživatelská příručka Strana 78

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Overview of Momentum Option Adapters
78
870USE10110 July 2004
Specifications of the Momentum Redundant Modbus Plus Option Adapter
172 PNN 260 22
Redundant
Modbus Plus
Option Adapter
Specifications
Mechanical
Weight 85.05 g (3 oz)
Dimensions (HxDxW) 58.3 (on battery side) x 60.6 x 143.1 mm
(2.27 x 2.36 x 5.57 in)
Material (enclosures/bezels) Lexan
Time-of-Day Clock
Accuracy +/-13 s/day
Battery one 2/3 AA lithium required; included in a separate
package with the option adapter
Service Life < 30 days from the time a battery-low indication is
received to actual battery failure @ 40 degrees C
maximum ambient temperature with the system
continuously powered down.
Shelf Life In excess of 5 yr @ room temperature
Operating Conditions
Temperature 0 ... 60 degrees C
Humidity 5 ... 95% (noncondensing)
Chemical Interactions Enclosures and bezels are made of Lexan, a
polycarbonate that can be damaged by strong alkaline
solutions
Altitude, full operation 2000 m (6500 ft)
Vibration 10 ... 57 Hz @ 0.075 mm displacement amplitude
57...150 Hz @ 1 g
Ref. IEC 68-2-6 FC
Shock +/-15 g peak, 11 ms, half sine wave
Ref. IEC 68-2-27 EA
RFI susceptibility/immunity Meets CE mark requirements for open equipment.
Open equipment should be installed in an industry-
standard enclosure, with access restricted to qualified
service personnel.
Storage Conditions
Temperature -40...+85 degrees C
Humidity 5 ... 95% (noncondensing)
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