Lakeshore 340, Installation Instructions

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Lake Shore Cryotronics, Inc. 575 McCorkle Blvd Westerville, Ohio 43082
Tel: (614) 891-2244 Fax: (614) 818-1600 e-mail: service@lakeshore.com www.lakeshore.com
F023-07-00 Revision A 1/24/2008
HOLE #4
HOLE #1 HOLE #2
INPUTS
HOLE #3 ANALOG
PLUG
Figure 3. Option Card Mounting Holes
and Analog Plug
7. Just beneath the transformer assembly is the analog
option plug (J18). Plug either end of the ribbon cable
into the analog option plug (J18). Slide the arrow nub
down the plug slot for correct positioning (Figure 2).
8. Plug the other end of the ribbon cable into the option
card plug (J3), on the lower right corner of the card
(Figure3).
9. Place the option card on top of the metal standoffs in
the instrument. Fit the card sensor inputs out the rear
panel option opening. Retrieve option plate screws from
Step 5 and use to slightly tighten the option card to the
rear panel.
10. Align the holes in the card with the corresponding metal
standoffs. Insert a 4-40 screw through each option card
hole and thread it to the metal standoff beneath. Go
back and tighten the two screws securing the option
card to the rear panel.
11. Stand instrument on face. Slide top and bottom covers
on. Reposition rear plastic bezel, then rethread all cover
screws. The completed installation of the 3462 card
should look like Figure 4. (Others will look similar.)
12. Replace power cord. Turn on power switch. To verify
option card installation, press Options , then press
More three times. The Model 340 displays the option in
the REVISION INFORMATION.
DIGITAL I/O
ANALOG
OUT 1
ANALOG
OUT 2
SERIAL I/O
120
IEEE-488 INTERFACE
S H1 AH1 T5 L4 SR1 RL1 PP0 DC1 DT0 C0 E1
RELAYS
NC C NO NC C NO
LO HI
HEATER FUSE
2.5 A
HEATER OUTPUT
LO HI
DATA CARD
FUSE
DATA
-10% +5%
50-60 Hz
175 VA MAX LINE 100 / 120
2.0 A
.25x1.25in SB 220 / 240
1.0 A
5x25mm SB
OFF ON
INPUT A
l+
V+
l-
V-
INPUT B
l+
V+
l-
V-
60V MAX
WARNING
NO USER SERVICEABLE PARTS INSIDE. REFER
SERVICING TO TRAINED SERVICE PERSONNEL.
!
WARNING
FOR CONT5INUED PROTECTION AGAINST FIRE HAZARD,
REPLACE FUSE WITH SAME TYPE AND RATING.
!
EXT
l+
V+
l-
V-
l+
V+
l-
V-
INPUT C INPUT D
MODEL 3462
Figure 4. Model 340 Rear Panel with Model 3462 Option Card Installed