Nexen PC210 913071 - Manual (Page 12)

12
FORM NO. L-20341-E-0208
Single thickness of Web in Sensor
Normal
None
Abnormal
If the Web thickness is less than 0.002
In. [0.05 mm] thick, the Web Break
Indicator will glow. Be sure the splice
is more than 0.002 In. [0.05 mm] thick
or the PC210 will not detect it.
Abnormal
Set the Web Thickness Selector
Switch to 0.008-0.031 In. [0.20 - 0.80
mm].
A splice has passed
through the Sensor
Normal
None
Abnormal
Increase the Web Splice Sensitivity
Control setting from 3 -3.5. If the
unit still does not respond, increase
the setting to 4.0.
Abnormal
WEB SPLICE AND WEB BREAk MODE (MODES 2 AND 5)
This mode is used where both web break and web splice
detection are required.
NOTE: Web thickness must be set at least 0.002 In.
[0.05 mm] to use this mode.
Mode 2 and 5 are the same as Modes 1 and 4 for Web
Splice Sensing with the addition of the following WEB
OPERATION (continued...)
(continued...)
CONDITION STATuS CORRECTIvE ACTION
No Web in Sensor
Normal
Abnormal
None
1. Is the Sensor installed
and aligned correctly?
2. Has dust accumulated inside
the Sensor tube?
(Clean the Sensor tube with an
air gun or remove the Sensor
tube for cleaning.)
TABLE 4
WEB SPLICE MODE - MODES 1 OR 4
45 °
Lack of response is often caused by
the tape being half or less than half
the thickness of the web when using
type B single butt splice. This situation
can also be corrected by changing to
a type A or C splice by using a thicker
tape (See Figure 9).