ProSoft Technology 5202-DFNT-DFCM4 User Manual
Page 57

DFCM ♦ ProLinx Gateway
Reference
DF1 Master/Slave
Driver Manual
ProSoft Technology, Inc.
Page 57 of 88
October 15, 2010
Function Code #4 - Unprotected Bit 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 for the
data to be associated with the command. The address
defined represents a register address and not a bit
address. This function will update one or more words of
data as defined by the count parameter.
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: Always zero (0).
6
Node Address
Address of unit to reach on the data highway.
7
Function Code = 4
Unprotected Bit 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 sets or resets individual bits within a limited area of the PLC data
table. This function should work on the following devices: 1774-PLC, PLC-2,
PLC-3 and PLC-5.
Function Code #5 - Unprotected 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 = 5
Unprotected 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 to the PLC memory. This function
should work on the following devices: 1774-PLC, PLC-2, PLC-3, PLC-5, SLC
500, SLC 5/03, SLC 5/04 and MicroLogix 1000.