Epec Programming and Libraries Manual
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Supported platforms: CODESYS 2.3

 

3720 PLCopen Addresses

Based on selections made, MultiTool Creator automatically generates variables and configurations for I/O pins along with internal diagnostics to the CODESYS code template.

 

Connector X1

Pin

Type

PLC open
address

Channel
number

1

PWM
Requested pulses
DO
PWM frequency
DI

%QW46
%QW47
%QX46.0
%QW113
%QX11.4

16


2

2

PWM
Requested pulses
DO
PWM frequency
DI

%QW44
%QW45
%QX44.0
%QW114
%QX11.5

15


3

3

FB/AI

%IW18

2

4

FB/AI

%IW18

2

5

FB/AI

%IW23

7

6

FB/AI

%IW23

7

7

PWM
Requested pulses
DO
PWM frequency
DI

%QW16
%QW17
%QX16.0
%QW112
%QX3.7

1


1

8

PWM
Requested pulses
DO
PWM frequency
DI

%QW18
%QW19
%QX18.0
%QW112
%QX3.6

2


1

9

PWM
Requested pulses
DO
PWM frequency
DI

%QW42
%QW43
%QX42.0
%QW121
%QX12.12

14


10

10

FB/AI

%IW16

0

11

PWM
Requested pulses
DO
PWM frequency
DI

%QW50
%QW51
%QX50.0
%QW115
%QX14.8

18


4

12

GND

 

 

13

PWM
Requested pulses
DO
PWM frequency
DI

%QW48
%QW49
%QX48.0
%QW116
%QX14.9

17


5

14

FB/AI

%IW17

1

15

PWM
Requested pulses
DO
PWM frequency
DI

%QW34
%QW35
%QX34.0
%QW121
%QX2.10

10


1

16

PWM
Requested pulses
DO
PWM frequency
DI

%QW40
%QW41
%QX40.0
%QW121
%QX11.2

13


10

17

FB/AI

%IW16

0

18

PWM
Requested pulses
DO
PWM frequency
DI

%QW38
%QW39
%QX38.0
%QW121
%QX11.0

12


10

19

PWM
Requested pulses
DO
PWM frequency
DI

%QW36
%QW37
%QX36.0
%QW121
%QX12.10

11


10

20

FB/AI

%IW19

3

21

FB/AI

%IW19

3

22

FB/AI

%IW17

1

23

PWM
Requested pulses
DO
PWM frequency
DI

%QW32
%QW33
%QX32.0
%QW121
%QX4.7

9


10

 

Connector X2

Pin

Type

PLC open
address

Channel
number

1

PWM
Requested pulses
DO
PWM frequency
DI

%QW60
%QW61
%QX60.0
%QW120
%QX13.1

23


9

2

PWM
Requested pulses
DO
PWM frequency
DI

%QW62
%QW63
%QX62.0
%QW119
%QX13.0

24


8

3

FB/AI

%IW24

8

4

FB/AI

%IW24

8

5

FB/AI

%IW25

9

6

FB/AI

%IW25

9

7

PWM
Requested pulses
DO
PWM frequency
DI

%QW58
%QW59
%QX58.0
%QW121
%QX9.2

22


10

8

PWM
Requested pulses
DO
PWM frequency
DI

%QW56
%QW57
%QX56.0
%QW121
%QX9.3

21


10

9

PWM
Requested pulses
DO
PWM frequency
DI

%QW20
%QW21
%QX20.0
%QW112
%QX3.5

3


1

10

FB/AI

%IW21

5

11

PWM
Requested pulses
DO
PWM frequency
DI

%QW54
%QW55
%QX54.0
%QW117
%QX8.4

20


6

12

GND

 

 

13

PWM
Requested pulses
DO
PWM frequency
DI

%QW52
%QW53
%QX52.0
%QW118
%QX8.3

19


7

14

FB/AI

%IW20

4

15

PWM
Requested pulses
DO
PWM frequency
DI

%QW28
%QW29
%QX28.0
%QW112
%QX7.2

7


1

16

PWM
Requested pulses
DO
PWM frequency
DI

%QW22
%QW23
%QX22.0
%QW112
%QX3.4

4


1

17

FB/AI

%IW21

5

18

PWM
Requested pulses
DO
PWM frequency
DI

%QW26
%QW27
%QX26.0
%QW112
%QX9.1

6


1

19

PWM
Requested pulses
DO
PWM frequency
DI

%QW24
%QW25
%QX24.0
%QW112
%QX9.0

5


1

20

FB/AI

%IW22

6

21

FB/AI

%IW22

6

22

FB/AI

%IW20

4

23

PWM
Requested pulses
DO
PWM frequency
DI

%QW30
%QW31
%QX30.0
%QW112
%QX10.15

8


1

 

 

 

Connector X3

Pin

Type

PLC open
address

Channel
number

1

 

Ref AUX OUT

%QX6.1
%IX12.13

 

2

Ref +5V

%QX6.2
%IW27

11

3

AI
AI mode

%IW33
%QX7.0

17

4

AI
AI mode

%IW34
%QX7.1

18

5

AI
AI mode

%IW35
%QX13.7

19

6

AI
AI mode

%IW36
%QX8.0

20

7

AI
AI mode

%IW37
%QX12.15

21

8

AI
AI mode

%IW38
%QX12.14

22

14

PI
FI
DI

%IW68
%IW69
%IX2.9

1

16

PI
FI
DI

%IW70
%IW71
%IX2.8

2

17

PI
FI
DI

%IW72
%IW73
%IX4.2

3

18

PI
FI
DI

%IW74
%IW75
%IX4.1

4

19

PI
FI
DI

%IW76
%IW77
%IX4.5

5

20

PI
FI
DI

%IW78
%IW79
%IX4.3

6

21

PI
FI
DI

%IW80
%IW81
%IX4.4

7

22

PI
FI
DI

%IW82
%IW83
%IX2.7

8

23

PI
FI
DI

%IW84
%IW85
%IX4.6

9

 

 

Connector X4

Pin

Type

Details

1

GND

Supply GND

2

CAN 1 H

 

3

GND

Supply GND

4

Power Supply

 

5

Power Supply

 

6

CAN 1 L

 

7

CAN 2 H

 

8

CAN 2 L

 

 

 

Internal diagnostics

Type

PLC open
address

Resolution
bits

Full
reading

AI (Temperature)

%IW26

10

5V

AI (Supply)

%IW28

10

 

AI (+2,5V ref)

%IW29

10

5V

AI (Internal 7,3 V AI bias)

%IW30

10

5V

AI (Internal +4,3 V PI bias)

%IW31

10

 

 

 

 

 

 

Source file topic100457.htm

Last updated 21-Feb-2025