114
ION-B User Manual
TPRF
Dimensions and Weight
Dimensions: 1 HE x 19”, maximum length 300 mm
Weight: Please refer to bulletin PA-102187.1-EN
Operating temperature: 0°C to 55°C
On/Off Switch and Power Supply
The TPRF31 fast MiniRack can be powered from -36 to -72 Vdc. A fuse is provided underneath
the -48 Vdc connector, and must be replaced in case of failure (when it happens, the
Supervision System will detect the failure).
Figure 4.2.3: Rear view of the TPRF31 Fast MiniRack:
Power supply connectors and On/Off switches
Reset
The Reset button, located on the TPRF31 rear side, performs a complete reset of the Fast
MiniRack, and is particularly useful when the MiniRack bus has become blocked in any way.
Compared to the “manual reset” which can be perfomed by switching off and on the system
through the On/Off switch, the Reset button is preferrable because it does not cause any
interruption in feeding the TPRF31.
Store/Clear
The Store/Clear button, located on the TPRF31 rear side, carries out a complete masking of
On/Off
switch
Power -48Vdc
Reset and Store/Clear buttons
Figure 4.2.4: Rear view of the TPRF31 Fast MiniRack: Reset and Store/Clear buttons
Store/Clear
Reset
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