User Manual

3-2 I/O Communication
3-15
3
Communicating with the GT-70A series
- DeviceNet Compatible Network Unit DL-DN1 User’s Manual (GT-70A) -
IN area
n: The first device number assigned to the DL-DN1
The device assignments are the same for all 5-output modes including extended
modes.
The following describes how the DeviceNet master unit communicates with the DL-
DN1 (slave unit) using I/O communication (polling).
"Reading an output from a sensor amplifier" (page 3-16)
"Entering an external input into a sensor amplifier" (page 3-16)
"Readi
ng comparator va lues (P.V
. values) from sensor amplifiers" (page 3-17)
"Changing the Bank Number of Sensor Amplifiers" (page 3-18)
"Rewriting a Setting Value of a Sensor Amplifier" (page 3-19)
For the communication methods using explicit messaging, see "Explicit
Messaging" (page 3-20).
The button operation of the sensor amplifier is locked for approximately 10
seconds after the end of each of the operations listed below
. The screen
displays "COM-Lock" for 2 seconds while switching to the locked state or
when button operation is attempted during the locked state. The screen
displays "COM-Unlock" for 2 seconds while unlocking. However, the initial-
ization screen appears when an initialization reset is executed. The initial-
ization screen remains displayed if any of the following operations is
repeated
.
•External input
•Changing a bank
•Rewriting a setting value(s)
Device
(DEC)
Name
Bit 7 Bit 6 ··· Bit 1 Bit 0
Bit 15 Bit 14 ··· Bit 9 Bit 8
n+11 Setting-value rewrite error
ID08 ID07 ··· ID02 ID01
Reserved ID15 ··· ID10 ID09
n+12
HIGH (bank 0) setting
rewrite complete
ID08 ID07 ··· ID02 ID01
Reserved ID15 ··· ID10 ID09
n+13
LOW (bank 0) setting
rewrite complete
ID08 ID07 ··· ID02 ID01
Reserved ID15 ··· ID10 ID09
n+14
PRESET (bank 0) setting
rewrite complete
ID08 ID07 ··· ID02 ID01
Reserved ID15 ··· ID10 ID09
n+15
HIGH (bank 1) setting
rewrite complete
ID08 ID07 ··· ID02 ID01
Reser
ved ID15 ··· ID10 ID09
n+16
LOW (bank 1) setting
rewrite complete
ID08 ID07 ··· ID02 ID01
Reserved ID15 ··· ID10 ID09
Communication Methods
Reference