Sony SIR-3400H Instruction Manual page 40

3. Names and Functions of Parts
Power Supply Block
4 AC IN connector
Used to supply external AC power to the measuring unit.
Connect the supplied AC power cord.
5 POWER switch
Used to turn the power on and off.
6 AC voltage selector switch
Used to switch the AC power voltage.
Left side : 100/120 V (allowable 90 to 132 V)
Right side : 220/240 V (allowable 198 to 250 V)
. If using a voltage different from that printed on the sticker shown on the AC voltage selector
switch, peel off the sticker and switch the selector to the side where the voltage is being used.
. The AC power cord has a safety earth. Be sure to connect the power cord to an earthed
socket.
7 DC IN connector
Used to supply external DC power to the measuring unit.
Connect the supplied DC power cord.
Be sure to supply voltage (DC 11 to 30 V) within the specified range.
If the voltage exceeds 34 V, the hyper voltage protection circuit works and the DC fuse blows.
8 DC fuse
This fuse is used to protect the DC power system.
When the fuse is blown, be sure to use the specified fuse of time-lag type with the following
specifications:
Rated current
Rated voltage
Size
Be sure to disconnect the DC power cord before replacing the fuse.
9 Ground terminal
This is a ground terminal for the frame ground.
3-20
(E)
4 5
10 A
250 V
5 ø20L
6 7 8 9
SIR-3400H / SIR-3032i / SIR-3032W