Hints on correct use, Error indications – KEYENCE CZ-K1(P) User Manual
Page 7
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HINTS ON CORRECT USE
Mounting amplifier
• If the amplifier cable is placed together with power lines or high
voltage lines in the same conduit, detection errors may occur due to
noise interference. Isolate the amplifier cable from these lines.
• If there are several colors in a single beam spot, the CZ-K1(P)
determines the color by averaging those colors. Therefore, it may
produce an output even though the color is different from the
registered color.
• To extend the cable length, use a cable with at least a 0.3 mm
2
nominal cross-section area. Limit the length of cable extension to
100 m or less. (To connect several units, contact Keyence for further
information.)
• When using a commercially available switching regulator, ground the
frame ground terminal and ground terminal.
• Do not use the CZ-K1(P) outdoors.
• Even when the same color is detected, the displayed value may vary
depending on the characteristics of each amplifier, the length of the
fiber cable and the location.
• When any of the external inputs (calibration, synchronization or bank
selection) are not used, cut the appropriate input cables (pink, purple,
orange/purple, yellow/purple or green/purple) at the root or connect
them to the "+" (CZ-K1) / "–"(CZ-K1P) terminal of the power supply.
Mounting fiber unit
• A detection error may occur when the target is subjected to direct or
reflected light from high-frequency lighting equipment such as an
inverter fluorescent lamp. In such a case, apply a light shield plate or
change the location of the fiber unit.
• When detecting a metal surface or glossy target
When a target has a metal or glossy surface, the calibration/differentia-
tion may fail. To detect such a target, tilt the fiber unit by approximately
10 to 15 degrees.
Inverter fluorescent lamp, etc.
Light shield
plate
10
° to 15°
• Target movement and fiber unit orientation
To stabilize the sensor output at a border, mount the fiber unit parallel to
the border line as much as possible.
Fiber unit
• Prevent any objects from bumping the sensing surface.
• Do not pull the fiber cable of the CZ-40 and 41 using a strength of
greater than 20 N, 3 seconds.
ERROR INDICATIONS
The following indications on the LCD display show the error events.
Correct the problem using the following countermeasures.
Target movement
direction
Target movement
direction
Incorrect
Correct
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