Connecting Internal Battery - Agilent Technologies 85901A Operation And Service Manual

Installation

Connecting Internal Battery

Connecting Internal Battery
The internal battery for the 85901A is not installed when the
instrument is shipped from the factory. When unpacking the 85901A,
you will find a package containing two battery connectors in the main
container. You will also find two screws and two washers in the battery
container. These connectors and screws are used to install the internal
battery. You will need two screwdrivers, both slotted and Phillips.
This instrument is independent of the power mains. HIGH
WARNING
VOLTAGE is present whenever the internal battery has been
installed and the inverter switch is on.
Connecting the battery may cause electrical arcing at the
terminal. Do not connect the battery in an explosive
atmosphere or near inflammable materials.
The voltage ratings of the battery should be the same as the input
CAUTION
voltage range of the inverter. Verify that you are installing a battery of
the correct voltage rating.
Connect the internal battery's positive and negative terminals to the
85901A front-panel positive (red wire) and negative (black wire)
internal battery terminals, respectively.
1. Install the two separate battery connectors on the battery.
2. Open the battery door in the right-hand side of the front panel.
3. Place the battery in the 85901A battery cage with its terminals
4. Insert the two internal battery cable terminals into the positive and
5. Refasten the battery cage door.
Confirm the correct placement of the wide four-terminal shorting strap
at the rear-panel terminal block. Refer to Figure 2-4 for correct
terminal block configurations with either internal or external batteries.
2-6
toward the top. Correct battery position and connection polarity are
shown in Figure 2-3
negative battery connectors, respectively. Fasten them using the two
screws.
Chapter 2