Sensia CLIF MOCK CD-20 - CD-20 Maintenance Procedures; Performing Operational Tests

9
CD-20 Sample Probe Controller
PROX “Hold” LED
Repeat time
potentiometer
I-Limit LED
W2 jumper: transistor
is ON when the proximity
switch is opposite the
high point on the cam.
W1 jumper: transistor
is OFF when the proximity
switch is opposite the
high point on the cam.
Figure 2.3—CD-20 control card, full view
Section 3—Maintenance
Operational Test
The start-up procedure consists of three steps: a repeat-mode checkout, an external input pulse mode
checkout, and a sample probe/control drive checkout. The following user-supplied equipment is required to
complete these tests:
• push-button switch
• power supply
• a 100-ml graduated beaker or other applicable measuring device
Note If the CD20A controller is connected to a sample probe, disconnect it before performing the following
procedures.