E6C3 datasheet(13/20 Pages) OMRON

13 / 20 page

E6C3 Rotary Encoder (Incremental/Absolute)

Ladder Program Example

Use the CTBL instruction of the CQM1-CPU44-E to register a maxi-

mum of eight comparison tables for output angle setting.

Example of DM Setting for Comparison Table

Note: An upper or lower limit can be set with integers in BCD mode

and 5

° increments in 360° mode. Subroutine numbers are set

for interrupt processing.

Internal Bits of CQM1-CPU44-E

• Range Comparison Result

Each bit of the CQM1-CPU44-E CPU Unit’s words AR 05 and AR

06 turns ON only when the comparison range coincides with the

angle of E6C3-AG5C. If it does not coincide, the bit turns (remains)

OFF.

• Present Value Read

The gray code signals of the E6C3-AG5C are automatically con-

verted into BCD or 360

° code signals and read through the CQM1-

CPU44-E CPU Unit’s words AR 232 and AR 234. The present

value can be used for ladder programs.

Note: For details on the CQM1-CPU44-E, refer to the CQM1 Pro-

gramming Manual (W228).

■ Absolute Rotary Encoders

Connecting to CPM1A Using a

Resolution of 720 per Rotation

Wiring Between E6C3-AG5C and CPM1A

Output Timing

Port 1 angle

✽ ✽ ✽ ✽

Word 232

Port 2 angle

✽ ✽ ✽ ✽

Word 234

AR0502

AR0501

AR0500

10002

10001

Output

10000

One scan ON

25315

END (01)

CTBL (63)

001

DM0000

Select port 1 for table

registration, comparison mode

setting, and comparison-table

first channel setting.

0000

0512

0000

0256

0768

0000

0128

0640

0000

DM 0000

0001

0002

0003

0004

0005

0006

0007

0008

0009

0022

0023

Lower limit 1

Upper limit 1

Subroutine number 1

Lower limit 2

Upper limit 2

Subroutine number 2

Lower limit 3

Upper limit 3

Subroutine number 3

Lower limit 4

Upper limit 8

Subroutine number 8

Bit AR 0500

Bit AR 0501

Bit AR 0502

Not used.

Bit 7

Port 1 comparison result

Port 2 comparison result

AR 05

AR 06

Comparison 1 result

1: Conformity

0: Nonconformity

Comparison 8 result

Output signal from E6C3-AG5C

Input signal to CPM1A

Brown (20)

00000

Orange (21)

00001

Yellow (22)

00002

Green (23)

00003

Blue (24)

00004

Purple (25)

00005

Gray (26)

00006

White (27)

00007

Pink (28)

00008

Light blue (29)

00009

E6C3-AG5C

CPM1A-20CD@-@

Angle of E6C3-AG5C

180

360

540

659

01000

01001

01002

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