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DPMS XPQ User Manual
CRC16 Hi: CRC high byte
CRC16 Lo: CRC low byte
1. Read Status of Relay (Function Code 01)
This function code is used to read status.
1=On, 0=Off;
There are 2 Relays. The Address of each Relay is Relay1=0000H and
Relay2=0001H.
The following query is to read Relay Status of meter number 17.
Query
Addr Fun relay start
reg hi
relay start
reg lo
relay #of
regs hi
relay #of
regs lo
CRC 16
Hi
CRC 16
Lo
11H 01H 00H
00H
00H
02H
BFH
5BH
Table 5.4 Read the status of Relay1 and Relay2 Query Message
Response
The DPMS XPQ response includes the meter's address, function code,
quantity of data byte, the data, and error checking. An example response to read
the status of Relay1 and Relay2 is shown in Table 4.5. The status of Relay1 and
Relay2 is responding to the last 2 bits of the data.
Relay1: bit0; Relay2: bit1
Address Function code
Byte count Data
CRC high CRC low
11H
01H
01H
02H
D4H
89H
Table 5.5 Relay status responds
The content of the data is:
7
6
5
4
3
2
1
0
0
0
0
0
0
0
1
0
MSB LSB
Relay1 = OFF (LSB ), Relay2=ON (Left to LSB )
Содержание XPQ
Страница 1: ...POWER INSTRUMENTS DPMS XPQ Multi Function Power Meter User Manual 1087 332...
Страница 2: ......
Страница 7: ...Chapter 1 Introduction Purpose Application Area Functions DPMS XPQ Series 5...
Страница 13: ...Chapter 2 Installation Appearance and Dimensions Installation Method Wiring 11...
Страница 28: ...26 DPMS XPQ User Manual 2 3LN 3CT with 2 CTs Fig 2 19 3LN 3CT with 2 CTs 3 2LN 2CT Fig 2 20 2LN 2CT...
Страница 29: ...27 POWER INSTRUMENTS 4 2LN 1CT Fig 2 21 2LN 1CT 5 2LL 3CT Fig 2 22 2LN 3CT Acuvim X Fig 2 21 2LN 1CT...
Страница 30: ...28 DPMS XPQ User Manual 6 2LL 2CT Fig 2 23 2LL 2CT 7 2LL 1CT Fig 2 24 2LL 1CT...
Страница 59: ...Chapter 4 Function and Software Functionality and Utility Software 57...
Страница 68: ...66 DPMS XPQ User Manual Here is an example Fig 4 7 Demand Here is to set demand...
Страница 90: ...88 DPMS XPQ User Manual Fig 4 20 Voltage Eligibility Ratio...
Страница 126: ...124 DPMS XPQ User Manual...
Страница 127: ...125 Appendix Appendix A Technical Data and Specifications Appendix B Ordering Information...
Страница 133: ......