Omron ZG2 Series How to use

Smart Sensor

2-D Profile Measuring Sensor

ZG2

Short Manual

Setting tutorial

V1.0

ZG2 Short Manual

Overview

Extension cables:

ZG2-XC3CR: 3 m

ZG2-XC8CR: 8 m

ZG2-XC15CR: 15 m

ZG2-XC25CR: 25 m

Sensor heads:

ZG2-WDS70

ZG2-WDS22

ZG2-WDS8T

ZG2-WDS3VT

0.5m or 2m cable length

Data Storage Unit:

ZG2-DSU41

ZG2-DSU11

Sensor Controller:

ZG2-WDC41A

ZG2-WDC11A

Parallel Output Unit:

ZG-RPD41

ZG-RPD11

RS232 cable:

ZS-XPT2 for PLC

ZS-XRS2 for PC

PC Setup Software „SmartMonitor ZG2“

and USB cable included with the ZG-WDCxxA

Controller

Link:

ZS-XCN

RS232

Max. total length: 27m

RS232

Overview

ZG2 Short Manual

Overview

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11) (12)

(13)

(14)

(1) Judgement Indicator (turns on if judgement result is O.K.)

(2) Laser Indicator (turns on while the LASER is powered on)

(3) Zero Reset Indicator (turns on while Zero Reset function is active)

(4) Trigger Indicator (turns on while trigger input is active)

(5) LCD Screen (color graphic LCD)

(6) Menu Switch (selects standard or expert menu)

(7) Mode Switch (selects set or run mode)

(8) Control Keys

(9) Sensor Head Connector

(10) Extension Connector (connects multiple controllers)

(11) USB connector

(12) RS232 connector

(13) Voltage / Current selector (for linear output)

(14) I/O cable (voltage supply and I/O terminals)

Overview

ZG2 Short Manual

Overview

Up to 2 ZG-WDCxx can be connected together using a Controller Link Unit ZS-XCN

in order to perform calculations with 2 sensor heads. Optionally 1 Data Storage Unit

ZG2-DSU can be attached to the left side.

Channel assigment is always as shown above (regardless of the presence

of a ZG2-DSUxx).

The Data Storage Unit ZG2-DSUxx can be used for logging measurement results,

logging profiles or storing bank data.

ZG2 Short Manual

Optional:

ZG2-DSUxx ZG2-WDCxx Optional:

ZG2-WDCxx

CH0 CH1 CH2

If 2 ZG2-WDCxx are used,

connect the USB cable

only to CH2

ZS-XCN

Overview

ZG2 Short Manual

Tutorial

This chapter shows step by step how to set up the ZG2 profile sensor to perform a

measurement. Below you can find the 7 steps to follow. More detailed description of

each step is given then on the following pages.

1) Initialization (optional):

Initialize the sensor as a first step to start with default values.

2) Mount the sensor head:

Mount the sensor head that you can see the yellow profile line on the LCD screen.

3) „Teach“ a profile:

The stored profile is used for the setting of the measurement region and position

correction.

4) Select a measurement item:

The ZG2 has19 different measurement items and 1 calculation item for flexible

inspection of all kinds of measurements.The ZG2 can perform up to 8 tasks at the

same time without increase of measurement cycle time.

5) Set the measurement region for the measurement item:

The functioning of measurement items is based on characteristic points which are

defined by a horizontal or vertical regions along the profile line.

6) Optimize the image settings regarding cycle time and accuracy:

The ZG2 has multiple modes for the control of the laser power as well as multiple

filters for image improvement.

7) Setup position compensation (optional):

The ZG2 can compensate horizontal, vertical and slope postion variations.

Tutorial

Setting Tutorial

1) Initialization:

To operate the menu you can either use the cursor keys and the set key

or the number keys.

1) Move first the menu switch to „EXP“ and then the mode switch to „FUN“.

2) Press key „4“ to select the System menu.

3) Press key „2“ to select „INIT“.

4) Confirm „YES“ with key „1“. Wait until the init process is finished.

5) Set the mode switch back to „RUN“.

6) Confirm saving the settings with the key „1“.

After initialization the laser power mode is set to „Multi Mode“ (s. page xx) and

the measurement item for task 1 to „Height1“. On the LCD screen you can see

the profile in real time. The red cross and the value in the bottom line shows the

result of task 1. Pushing the orange „Menu“ key toggles the lcd screen

first to the measurement result screen and then to the cycle time display/

resp. the screen saver.

ZG2 Short Manual

/VIEW

ESC

ADJ

FUN RUNSTD EXP SET

1 2

3 4

LD ON ZERO TRIG

LV: 1-320

HEIGHT1 B1T1

3.000mm

1) Set to EXP 2) Set to FUN

Corsor keys

Number keys

1 - 4

Menu switch Mode switch

Tutorial

ZG2 Short Manual

2) Mount the sensor head:

The ZG2 can measure up to 8 tasks at the same time. The settings for these 8 tasks is

stored in 1 bank. Up to 32 banks can be stored in the ZG2-WDC. The bank can

be changed in run mode via digital input terminal, RS232 or USB.

Move the sensor head

until the profile can be

seen on the LCD screen

in „RUN“ mode.

The red cross and the

mm-value on the screen

represent the actual

result of task 1:

The average height of

the whole profile.

Example: Width measurement of a

bar of a workpiece:

LD ON ZERO TRIG

LV: 1-320

WIDTH2 B1T1

3.000mm

Tutorial

ZG2 Short Manual

3) Teach: Store a profile in the internal memory

Move the mode switch to the „FUN“ position, push key „1“ for „Meas“, and

again key „1“ for „TEACH“. Confirm the teach process with the key „1“ for „YES“.

The stored profile is used for setting the measurement region as well for the setting

of the position compensation in later steps. The tought profile is stored until the next

teaching, also if the sensor is powered down. After teaching 2 additional menu items

appear on the screen above:

• 3 SENS

• 4 CORECT

Remark:

In the menu „2 IMAGE“ you can find all settings regarding sensitivity and laser

intensity. For a first evaluation we can leave these settings unchanged. As a final

step the IMAGE settings can be optimized for tuning the measurement times to be

faster.

/VIEW

ESC

ADJ

FUN RUNSTD EXP SET

1 2

3 4

LD ON ZERO TRIG

MEAS

2 IMAGE

1 TEACH

„Meas“

„Teach“

Tutorial

4) Select a measurement item:

In order to choose the measurement item for task 1 for the measurement of the width

of the bar you have to select the menu „3 SENS“:

Push key „3“ for selection of menu „3 SENS“, now the screen for the task selection

appears. Here you can select one of the 8 tasks by pushing the corresponding

number key and/or using the cursor keys and pressing the „SET“ key. The

selected task also is also shown in the bottom line of the screen. At this moment task

1 is preset with the default measurement item „HEIGHT1“ from the initialization

at the beginning.

ZG2 Short Manual

LD ON ZERO TRIG

MEAS

2 IMAGE

1 TEACH

3 SENS 4 CORECT

„3 SENS“

Task 1

Tutorial

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