LG K7F-PIDA User Manual

Page 20

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Chapter 4. BUFFER MEMORY CONFIGURATION AND FUNCTIONS

4- 1

Chapter 4. BUFFER MEMORY CONFIGURATION AND FUNCTIONS

The PID control module has the PLC CPU and the buffer memories for communications.

4.1 Buffer memory Configuration

The followings describe buffer memory configuration.

4.1.1

K7F-PIDA Buffer Memory

Address

(Decimal)

Function

Descriptions

Default
Setting

Read /

Write

0

Loop enable/disable
Specification area
(loop 0 to 15)

1

Loop enable/disable
Specification area
(loop 16 to 31)

Bit On(1): Enabled
Bit Off(0): Disabled

Disabled

R/W

2

Auto/Manual operation
Specification area
(loop 0 to 15)

3

Auto/Manual operation
Specification area
(loop 16 to 31))

Bit On(1): Auto
Bit Off(0): Manual

Auto

R/W

4

Forward/Reverse action
Specification area
(loop 0 to 15)

5

Forward/Reverse action
Specification area
(loop 16 to 31)

Bit On(1): Reverse
Bit Off(0): Forward

Forward

R/W

6

Set data enable/disable
Specification area
(loop 0 to 15)

7

Set data enable/disable
Specification area
(loop 16 to 31)

Bit On(1) : Set each content of address

0, 1, 4, 5, 10 to 41, and 74 to 201
to a new setting.

Bit Off(0) : The previous values of

address 0, 1, 4, 5, 10 to 41, and
74 to 201 remains without
change.

No Setting

Values

R/W

8

Loop run information
(loop 0 to 15)

9

Loop run information
(loop 16 to 31)

Bit On(1) : Run
Bit Off(0) : Stop

Read

Only

10 to 41

SV of each loop

Setting range

:

0 to 16000

“0”

R/W

42 to 73

PV of each loop

Input range

:

0 to 16000

“0”

R/W

74 to 105

M-MV of each loop

Setting range

:

0 to 16000

“0”

R/W

106 to 137

P of each loop

Setting range

:

0 to 10000

“500”

R/W

138 to 169

I of each loop

Setting range

:

0 to 30000

“1000”

R/W

170 to 201

D of each loop

Setting range

:

0 to 30000

“0”

R/W

202 to 233

MV of each loop

Output range

:

0 to 16000

Read

234 to 265

Error information of each loop

Bit 0 On(1) : out-of-range SV
Bit 1 On(1) : out-of-range PV
Bit 2 On(1) : out-of-range M_MV
Bit 3 On(1) : out-of-range P
Bit 4 On(1) : out-of-range I
Bit 5 On(1) : out-of-range D

Read

Only

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