Omron DRT2 SERIES DEVICENET SLAVES - OPERATION MANUAL 04-2008 Operation Manual page 426

Temperature Input Terminals
Hold Flags (Output)
(Instance 190)
The following format is used when this data pattern is allocated, starting from
the rightmost byte of the Master
Word 15
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
Hold Flags are used with the peak/bottom hold and top/valley hold functions.
The Hold Flags are used to control the hold execution timing from the Master
and are allocated in the Master using the following data format (1 byte).
Note A delay may occur between when the Master's power is turned ON until notifi-
cation of the Hold Flag status is sent to the Slave.
Bit 7
+0
The details for each bit are shown in the following table.
Bit Abbreviation
0 HD0
1 HD1
2 HD2
3 HD3
The following format is used when the Hold Flags are allocated, starting from
the rightmost byte of the Master
Word 15
.
8 7
Temperature Data 1 for Input 0
Temperature Data 1 for Input 0
Temperature Data 1 for Input 1
Temperature Data 1 for Input 1
Temperature Data 1 for Input 2
Temperature Data 1 for Input 2
Temperature Data 1 for Input 3
Temperature Data 1 for Input 3
Top Detection
Timing Flags
Bit 6 Bit 5 Bit 4
Name
Hold Flag for
Input 0
Hold Flag for
Input 1
Hold Flag for
Input 2
Hold Flag for
Input 3
.
+0
Section 7-6
Valley Detection
Timing Flags
Generic Status Flags
Bit 3 Bit 2 Bit 1
HD3 HD2 HD1
Details
The hold function is performed for Tem-
perature Input 0 while this flag is ON.
The hold function stops and the last
value is held when the flag goes OFF.
The hold function is performed for Tem-
perature Input 1 while this flag is ON.
The hold function stops and the last
value is held when the flag goes OFF.
The hold function is performed for Tem-
perature Input 2 while this flag is ON.
The hold function stops and the last
value is held when the flag goes OFF.
The hold function is performed for Tem-
perature Input 3 while this flag is ON.
The hold function stops and the last
value is held when the flag goes OFF.
8 7
Hold Flags
0
Bit 0
HD0
0
405