SICK GM35

80
8009441/YN36/V3-0/2015-08| SICKOPERATING INSTRUCTIONS|GM35
Subject to change without notice
START-UP
▸ Check the display:
▸ Adjust the two screws on the device flange, see “Aligning the optical axis”, page 92, until
the values
– dx and dy on the display are less than or equal to ±0.1
(dx…value for horizontal position or adjustment)
(dy…value for vertical position or adjustment).
Values A, B, C and D are values of device-internal parameters. They should be in the
range 450…650.
▸ If the valid range for A to D cannot be reached even after adjusting the screws several
times and the values for dx and dy are ≤ 0.1, check the warning and error messages in
Diagnosis mode, (
see “Menu structure”, page 43), and take the appropriate
maintenance or servicing measures. See Section see “Maintenance”, page 88.
▸ Switch to Measuring mode:
▸ Press meas.
7.5.3 Performing zero adjust
After the GM35 SR-unit and evaluation unit have been connected to the power supply, a
warming up time of approx. 2.5 - 5 hours (depending on ambient conditions) is required
before the zero adjust.
▸ Allow the warming up phase (approx. 2.5 hours) to elapse after the SR-unit has been
connected to the power supply.
▸ After the warming up phase, align the optical axis as described in “Fine adjustment on
the optical axis on the SR-unit”, page 79.
The following menu item is available in menu cal:
•
Zero Adjust – zero adjust (measuring path free from sample gas)
▸ Activate Calibration mode (button “cal”), select menu item Zero Adjust and trigger with
Enter.
▸ Enter the ambient temperature as prompted (accuracy ±2 °C).
▸ Confirm the prompt. Zero adjust runs and Please wait is displayed.
When zero adjust has completed, either a positive confirmation or an error message is
displayed.
Adjustment successful
▸ Switch to Measuring mode or define further parameter settings.
Adjustment not possible
An error message indicates that a malfunction occurred during the adjustment procedure.
The flashing “Malfunction” LED indicates that one or more error messages are pending.
▸ Switch to Diagnosis mode and rectify the problem,
see “Troubleshooting and Clearing
Malfunctions”, page 104
.
cal