Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 146)

<10. Other Functions>
10-8
IM 11M12A01-02E
10.2 Blow Back
10.2.1 Blow back Setup
This section explains the parameter settings for performing blow back.
10.2.1.1 Mode
There are three modes of blow back operation: no function, semi-automatic, and automatic.
Blow back is not performed when the mode is set to “No function”. In “Semi_Auto” mode, blow
back can be started by key operation on the display or by a contact input signal, and then
sequentially performed at a preset blow back time and hold time. In “Auto” mode, blow back
is automatically performed at preset intervals. For “Semi_Auto” or “Auto” modes, blow back is
performed. The following restrictions apply:
When “No function” is selected:
Blow back is not performed
When “Semi_Auto” is selected:
Semi-auto blow back can be performed. (Blow back does not start at Auto blow back start time.)
When “Auto” is selected:
Blow back can be performed in either “Auto” or “Semi_Auto” mode.
<Setting Procedure>
(1) From the Basic panel display, touch [Setup] key; on the Execution/Setup display which
appears, select “Maintenance”.
(2) On the Maintenance display, select “Blow back setup” and the Mode selection pull down
allows you to select between “No function”, “Semi_Auto” and “Auto” (see Fig.10.8).
Enter
No function
Semi_Auto
Auto
Mode:
Blow back setup
F10.9E.ai
Figure 10.8 Blow back setup Display
8th Edition : Jan.13,2012-00