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Profibus communication, Parameter data – Lenze I/O system 1000 System Manual User Manual

Page 438

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PROFIBUS communication

Parameterising the counter
Two counters 32 bits, 24 V DC − EPM−S601

9

l

438

EDSIO1000 EN 7.0

EPM−S601 control word

Bit

Designation

Function

0

Reserved

1

CTRL_COMP_SET

Enables the comparison bit

2

SW_GATE_SET

Sets the software gate

3

Reserved

4

Reserved

5

COUNTERVAL_SET

Sets the counter temporarily to the value in the set value

6

RES_SET

Resets bits STS_CMP, STS_END, STS_OFLW, STS_UFLW and STS_ZP with a
rising edge

7

Reserved

8

Reserved

9

CTRL_COMP_RESET

Inhibits comparison bit

10

SW_GATE_RESET

Resets the software gate

11

Reserved

12

13

14

15

Parameter data

Data set

Name

Description/value

Lenze

No.

Byte

00

h

0

Diagnostics

A diagnostic alarm occurs if the same event triggers a
further process alarm during a process alarm processing.
Bits 5 ... 0: reserved
Bit 6: Diagnostic alarm (0 = inhibited; 1 = enabled)
Bit 7: Reserved
Other values are not permissible!

00

h

01

h

0

Input frequency
counter 1, track A

Filters for instance serve to filter signal peaks in the case
of an unclean input signal.
2 (02

h

): 100 kHz

3 (03

h

): 60 kHz

4 (04

h

): 30 kHz

6 (06

h

): 10 kHz

7 (07

h

): 5 kHz

8 (08

h

): 2 kHz

9 (09

h

): 1 kHz

Other values are not permissible!

02

h

1

Input frequency
counter 1, track B

02

h

2

Input frequency
counter 2, track A

02

h

3

Input frequency
counter 2, track B

02

h

80

h

0

Alarm response
counter 1

Setting activates process alarm
Bits 1 ... 0: reserved
Bit 2: Proc. alarm overflow
Bit 3: Proc. alarm underflow
Bit 4: Proc. alarm comparison value
Bit 5: Proc. alarm final value
Bits 7 ... 6: Reserved

00

h

1

Counter function
counter 1

Bit 5 ... 0:

000000

b

= counting continuously

000001

b

= once: forwards

000010

b

= once: backwards

000100

b

= once: no main counting direction

001000

b

= periodically: forwards

010000

b

= periodically: backwards

100000

b

= periodically: no main counting direction

Bits 7 ... 6: Reserved

00

h