CHAPTER 5
Data Acquisition Units
57
On/Off Button
This turns the system on or off. This function may also be controlled by an external voltage
supply (see “Follow Ext. Power Switch” below) or by signals received from other front-ends
(using the Multi Frame Control (Power On/Off Control) on the Controller module.
Follow Ext. Power Switch
The position of this switch determines the operation of the On/Off button.
•
In the
Off
position, the unit must be switched on and off with the On/Off button
•
In the
On
position, the unit switches on when an external power supply is connected and
off when it is disconnected. This makes it easy to turn the unit on and off when it is part of
a mains powered system
Aux. Power
To provide power for accessories such as a LAN switch or wireless LAN, the unit is provided
with a 5 ± 0.5 and 12 ± 1.0 V DC output (LEMO FGG.00.302 connector) each providing up
to 400 mA (1 A fused). Cables for these accessories must be ordered separately.
Fig.5.3
DC Output Connector
Battery Status Indicators
The front panel has two battery status indicators (LEDs), one for each battery. They indicate
the remaining capacity/charging status of the respective battery. Batteries can be exchanged
one at a time during operation without affecting measurements, if the indicator for the other
battery is not indicating “low level” (red).
An illustration of the indicators is given in Fig.5.4, but briefly summarised:
•
Flashing orange indicates that the battery is charging
The “in between” colour indicates the charging state: from red (low) to green (full)
Flashing green indicates that charging is suspended (battery too warm)
•
A constant light indicates that the battery is driving the frame
The colour indicates the remaining level: from green (full) to red (low)
Flashing red indicates that the battery is nearly empty
•
Rapidly flashing red indicates imminent battery failure
010015
+12V DC
+5V DC
Содержание PULSE 3560-B
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