
3-5 Overview of PROFIBUS DP Communication
3-22
- PROFIBUS DP Compatible Network Unit DL-PD1 User's Manual (IG) -
Executing Communication
I/O mode
In the I/O mode, the control output of the sensor amplifiers connected to the DL-PD1
can be read and external input request to the sensor amplifiers can be performed.
DL-PD1 (Slot 0)
Input
Output
* In the big endian format
Functions assigned to the external input request 1 to 5 are as follows:
• External input request 1: Zero shift input
• External input request 2: TIMING input
• External input request 3: RESET input
• External input request 4: Standard waveform input
• External input request 5: Laser emission stop input
Refer to the IG series user's manual.
Octet
Function
name
Description Bit7 Bit6
:
Bit1 Bit0 Value
0
High
ON/OFF of the High state of
the sensor amplifiers is
output.
Slot 15 Slot 14
:
Slot 9 Slot 8
0: OFF
1: ON
1 Slot 7 Slot 6
:
Slot 1
Reserved for system
2
Low
ON/OFF of the Low state
of the sensor amplifiers is
output.
Slot 15 Slot 14
:
Slot 9 Slot 8
0: OFF
1: ON
3 Slot 7 Slot 6
:
Slot 1
Reserved for system
4
Go
ON/OFF of the Go state
of the sensor amplifiers is
output.
Slot 15 Slot 14
:
Slot 9 Slot 8
0: OFF
1: ON
5 Slot 7 Slot 6
:
Slot 1
Reserved for system
6
Reserved
for system
-
- -
:
- -
-
7 - -
:
- -
8
Reserved
for system
-
- -
:
- -
-
9 - -
:
- -
Octet
Function
name
Description Bit7 Bit6
:
Bit1 Bit0 Value
0
External
input
request 1
Requests the external
input to the sensor
amplifiers.
Slot 15 Slot 14
:
Slot 9 Slot 8
0: OFF
1: ON
1 Slot 7 Slot 6
:
Slot 1
Reserved for system
2
External
input
request 2
Requests the external
input to the sensor
amplifiers.
Slot 15 Slot 14
:
Slot 9 Slot 8
0: OFF
1: ON
3 Slot 7 Slot 6
:
Slot 1
Reserved for system
4
External
input
request 3
Requests the external
input to the sensor
amplifiers.
Slot 15 Slot 14
:
Slot 9 Slot 8
0: OFF
1: ON
5 Slot 7 Slot 6
:
Slot 1
Reserved for system
6
External
input
request 4
Requests the external
input to the sensor
amplifiers.
Slot 15 Slot 14
:
Slot 9 Slot 8
0: OFF
1: ON
7 Slot 7 Slot 6
:
Slot 1
Reserved for system
8
External
input
request 5
Requests the external
input to the sensor
amplifiers.
Slot 15 Slot 14
:
Slot 9 Slot 8
0: OFF
1: ON
9 Slot 7 Slot 6
:
Slot 1
Reserved for system
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