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2 command function codes – ProSoft Technology 5202-DFNT-DFCM4 User Manual

Page 55

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DFCM ♦ ProLinx Gateway

Reference

DF1 Master/Slave

Driver Manual

ProSoft Technology, Inc.

Page 55 of 88

October 15, 2010

8.4.2 Command Function Codes

This section describes DFCM commands to be configured by the user.

Module Information Data

Device Information Data

1

2

3

4

5

6

7

8

9

10

11

Enable
Code

Internal
Address

Poll
Interval
Time

Count

Swap
Code

Node
Address

Function
Code

Function Parameters

Function Code #1 - Protected Write (Basic Command Set)

Column

Parameter

Description

Parameter

1

Enable/Type Word

0=Disabled, 1=Continuous and 2=Conditional.

2

Virtual Database Address

This parameter defines the database address of the first
data point to be associated with the command.

3

Poll Interval

Minimum time in tenths of a second to wait before polling
with this command.

4

Count

Number of data word values to be considered by the
function.

5

Swap Type Code

Swap type code for command: 0=None, 1=Swap words,
2=Swap words & bytes and 3=swap bytes in each word.

6

Node Address

Address of unit to reach on the data highway.

7

Function Code = 1

Protected Write Function

8

Word Address

Word address where to start the write operation.

P1

9 to 11

Not Used

These fields are not used by the command. Values
entered in these columns will be ignored.

P2 to P4


This function writes one or more words of data into a limited area of the slave

device. This function should work on the following devices: 1774-PLC, PLC-2,

PLC-3, PLC-5 and PLC-5/250.