DAE INSTRUMENT CC1000a06, Справочник

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Clear Latched DI
Example 1 - Clear Some Latched DIs For One LT
✦
CC1000 Address 1
✦
LT address 57
➡
Register Address = 57 + 95 = 152
➡
RH = 152 div 256 = 0
➡
RL = 152 mod 256 = 152
✦
Data mask for the Latched DIs to be cleared:
DI
State
Data Data
Bit #
Byte
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
--- Clr --- Clr --- Clr --- --- --- --- Clr Clr --- --- Clr ---
1 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1
0xA 0xA 0xA 0xA 0xB 0xB 0xB 0xB 0xC 0xC 0xC 0xC 0xD 0xD 0xD 0xD
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
high byte (DH) high byte (DH) high byte (DH) high byte (DH) high byte (DH) high byte (DH) high byte (DH) high byte (DH) low byte (DL) low byte (DL) low byte (DL) low byte (DL) low byte (DL) low byte (DL) low byte (DL) low byte (DL)
Query
CC1000
Address
Function
Code
Register Address Register Address Number of Registers Number of Registers
Byte
Count
Write Data Write Data CRC CRC
CC1000
Address
Function
Code
high (RH) low (RL) high low
Byte
Count
high (DH) low (DL) low high
1 16 0 152 0 1 2 0xAB 0xCD 4 237
Reply
CC1000
Address
Function
Code
Register Address Register Address Number of Registers Number of Registers CRC CRC
CC1000
Address
Function
Code
high (RH) low (RL) high low low high
1 16 0 152 0 1 128 38
Example 2 - Clear All Latched DIs For 4 LTs
✴
Note that 4 is the maximum number of Latched DIs that can be cleared at a time.
✦
CC1000 Address 1
✦
LT 21 to 24
➡
Starting Register Address = 21 + 95 = 116
➡
RH = 116 div 256 = 0
➡
RL = 116 mod 256 = 116
➡
Number of Registers = 4
➡
Byte Count = 8
✦
Clearing a latched DI sets its bit to zero, so clearing all DIs would set the entire data mask to zero.
➡
D1, D2, D3, D4, D5, D6, D7, D8 = 0
Query
CC1000
Address
Function
Code
Register Address Register Address Number of Registers Number of Registers
Byte Count
Write Data Write Data
CC1000
Address
Function
Code
high (RH) low (RL) high low
Byte Count
D1 D2
1 16 0 116 0 4 8 0 0 . . .
Write Data Write Data Write Data Write Data Write Data Write Data CRC CRC
D3 D4 D5 D6 D7 D8 low high
. . . 0 0 0 0 0 0 6 202
Reply
CC1000
Address
Function
Code
Register Address Register Address Number of Registers Number of Registers CRC CRC
CC1000
Address
Function
Code
high (RH) low (RL) high low low high
1 16 0 116 0 4 20 18
CC1000 Modbus Reference 2.10e ! 39/122