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4-4 (E)
SIR-3400H / SIR-3032i / SIR-3032W
4. Preparations
4-1-3. Internal Backup Battery
This unit cannot run only on the internal backup battery. The AC power supply or DC
power supply must also be used at the same time.
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When the recording unit is supplied from a specified external AC or DC power source, the external source
takes priority.
Charging the internal backup battery
Charging can be done from either AC or DC input.
For details, see the table entitled “2-way Power Supply System” in section 1-2.
Charging time: Approx. 2.5 hours max.
4-2. Connecting the Signals
Connecting the Analog Data Signals
Using BNC cables (sold separately), connect the INPUT connector on the front panel to the analog signal
source for each channel.
If necessary, use a BNC cable to connect the MONITOR connector to an oscilloscope or other measuring
device.
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Do not supply input signals exceeding ±50 Vpk, or the internal circuitry may be damaged.
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. Keep the input voltage range via the INPUT connectors to within 13.3 Vpk.
. Do not simultaneously input signals with different ground levels during single end input.
. The input impedance is 100 kZ.
. 24 V power is supplied to BNC cable when the recorder is set in E-E, REC-PAUSE or REC mode during
IEPE input (IEPE or TEDS). Be sure to check the input format when connect a signal source to the
INPUT connector.
MONITOR
UP DN
Oscilloscope, etc.
Signal source