Honeywell DR4300 Replacement Instructions Manual page 15

Procedure for Pen Alignment (Recorder with Display)
Table 8 gives the procedure for aligning pens at zero and span (full scale) in a recorder with a
display.
Table 8
Step
1
2
3
4
5
6
7
8
9
10
3/05
Procedure for Pen Alignment (Recorder with Display)
Press
until you can see:
SET
Upper Display
UP
ALIN
Lower Display
PEN
until you can see:
Upper Display
FUNC
(value)
Lower Display
PEN0
Wait until pen stops moving downscale.
If the pen tip is greatly out of position, follow Steps 3 through 6.
If the pen position requires only minor adjustment, go to Step 7.
Turn off the power to the recorder.
To place the pen tip in approximately the correct position,
loosen the screw holding the pen 1 (purple) arm to the servo
shaft.
Align the tip of pen 1 with the zero line on the chart and tighten
the locking screw.
Turn on the power and repeat Step 2.
to set tip of pen 1 (purple) on zero scale line of chart ±0.25% (or
quarter graduation).
or
and you will see:
Upper Display
FUNC
(value)
Step 2)
Lower Display
PEN 100
Wait until pen stops moving upscale.
to set tip of pen 1 (purple) on full scale line of chart ±0.25% (or
quarter graduation).
or
to return to normal operation for pen 1. You will see:
DISP
Upper Display
(value)
Lower Display
INP 1
Replacement Kit Instruction 43-DR-33-87
Action/Result
(approximately 60 on the upper display)
(approximately 1200 more than the zero value in
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