Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL - Manual (Page 178)

Remote I/O Application Examples E–7
Publication 2706-807
Return Clock or Date Data – PLC5 Programming Example
(Any Run Mode)
This program is used with special messages 912 and 913. The program
captures the clock and date data returned from the DL40 Plus to the PLC.
Any of the run modes are compatible with this program.
0000
Bit Field Distributor
Source
N9:0
912<
Source Bit 0
Dest O:040
–31856<
Dest Bit 0
Length 12
BTD
0001
0002
0003
This rung is used for handshaking. It is recommended that
when data is being sent from the DL40 Plus to the PLC
that handshaking be used. Switch bank 2, switch 7, must
be set for this to work properly.
< >
HANDSHAKE
I:040
17
O:040
17
Move
Source
I:040
–32256<
Dest N9:1
–28136<
MOV
Move
Source
I:041
0<
Dest N9:2
18456<
MOV
CLOCK_DATE
I:040
14
<END>
Word 0, bit 14, of the input image table is the clock date bit. When this bit is set, the
clock/date information is in word 0 and word 1 of the input image table.
In this example, data from the DL40 Plus is placed in N9:1 and N9:2.
NOTE: The data from the DL40 Plus is in BCD