Owner's manual

3-5 Overview of PROFIBUS DP Communication
3-20
- PROFIBUS DP Compatible Network Unit DL-PD1 User's Manual (IB) -
Executing Communication
3
 Sensor amplifier (Slot 1 to 4)
 Input
* "a" represents a Slot number. For example, the Octet value to Slot 1 is 2, 3, 4, or 5 to
8.
Octet Bit Function name Description Value
2+7(a-1)*
0High
ON/OFF of the High state of the
sensor amplifiers is output.
0: OFF
1: ON
1Low
ON/OFF of the Low state of the
sensor amplifiers is output.
0: OFF
1: ON
2Go
ON/OFF of the Go state of the
sensor amplifiers is output.
0: OFF
1: ON
3 Reserved for system - -
4 Reserved for system - -
5 Reserved for system - -
6 Reserved for system - -
7 Reserved for system - -
3+7(a-1)*
0 Reserved for system - -
1 Comparator value invalid Stores the comparator value status.
0: Normal
1: Comparator value invalid
“----”
2 Comparator value under range Stores the comparator value status.
0: Normal
1: Comparator value under
range “-FFFF”
3 Comparator value over range Stores the comparator value status.
0: Normal
1: Comparator value over
range “FFFF”
4 Reserved for system - -
5 Reserved for system - -
6 Warning
Represents the warning status of the
sensor.
"Types of error and error code"
(page 4-3)
0: No warning
1: Warning
7 Error status
Stores the error status of the sensor
amplifiers.
"Types of error and error code"
(page 4-3)
0: No error occurred.
1: Error occurred.
4+7(a-1)*
0 External input response 1
Stores the external input response
to the sensor amplifier.
0: No input
1: Input reception
1 External input response 2
Stores the external input response
to the sensor amplifier.
0: No input
1: Input reception
2 External input response 3
Stores the external input response
to the sensor amplifier.
0: No input
1: Input reception
3 External input response 4
Stores the external input response
to the sensor amplifier.
0: No input
1: Input reception
4 Reserved for system - -
5 Reserved for system - -
6 Reserved for system - -
7 Reserved for system - -
5+7(a-1)* to
8+7(a-1)*
0 to 7 Comparator value box
Used when reading the comparator
value (P.V. value).
INT32(LITTLE)