Yokogawa JUXTA VJP1 - Manual (Page 3)

3 IM 77J01P01-01EN 1st Edition
4. SETTING INPUT FILTER
The input filter is used to suppress the influence of chattering
noise or the like.
Setting: Set the filter switch on the front panel of the signal
conditioner to “ON.” (The factory default setting is “OFF”)
• The input filter, time constant (approx.10ms), is connected.
However, the input frequency is limited to 100 Hz or less, and
the pulse width is 3ms or more.
“OFF” setting “ON” setting
5. MAINTENANCE
The product starts running immediately when the power is turned
on; however, it needs 10 to 15 minutes of warm-up before it
meets the specified performance.
5.1 Calibration Apparatus
• A calibrator (Yokogawa CA150 or equivalent)
5.2 Calibration Procedure
1. Connect the instruments as shown below. First check the
output-1 signal and then the output-2 signal.
10 11
3 2 1
4 5 6
7 8 9
Power supply
11 10 8
L + N – GND
3
4
+
–
Input
Calibrator
Calibrator
2
5
Output-2
+
–
Calibrator
7
9
Output-1
+
–
2. Produce a rectangular pulse of any frequency from the
calibrator to measure the value using a calibrator, then check
that the frequency is output.