3 explicit messaging – KEYENCE DL-DN1 User Manual
Page 52
3-3 Explicit Messaging
3-24
- DeviceNet Compatible Network Unit DL-DN1 User’s Manual (FD-S) -
3
Co
mm
u
ni
c
a
ting
w
ith t
he FD
-S
s
er
ie
s
*1
*2
"Error information list" (page 3-8)
*3
The function of DL-DN1 only, which responds to explicit messaging synchro-
nously with I/O communication. This function does not guarantee synchronism
of the whole system, including PLC or master equipment.
0
8E
Current value
"under"
Not used with the FD-S series.
R
WORD
0
-
8F
Current value
"over"
If the instantaneous flow rate values
for sensor amplifiers (ID 01 to ID 04)
are "over" (FFFF), they are output by
assigning them to bits 0 - 3.
R
WORD
0
0: Normal value
1: Over
90
Current Value
ID01
Reads the instantaneous flow rate
from ID 01. Same as the current value
(instantaneous flow rate) used in I/O
communication.
R
DINT
0
-2147483648 to
2147483647
-
-
-
93
Current Value
ID04
Reads the instantaneous flow rate
from ID 04. Same as the current value
(instantaneous flow rate) used in I/O
communication.
9F to B0 System reserved
B1
Number of
connected
sensor amplifiers
Reads the number of connected
sensor amplifiers.
R
UINT
0
1 to 4
B2 to B3 System reserved
B4
Explicit message
response method
If synchronous response is used,
response occurs synchronously with
I/O communication.*3
R/W
UINT
0
0: Immediate
response
1: Synchronous
response
B5 to B9 System reserved
BA
Operating mode
switch status
Set status of operating mode setting
switch: switch 1 (LSB) to switch 4
(MSB)
R
UINT
0
0 to 15
0: OFF, 1: ON
InstID
(DEC)
AttrID
(HEX)
Name
Description
Attribute
Data
type
Default
value
Parameter range