Set Ao Upper Limit; Set Ao Lower Limit - DAE INSTRUMENT CC1000a06 Reference

Set AO Upper Limit

✦ CC1000 Address 1
✦ LT address 1, AO 1
➡ Register Address = (1 + 703) x 4 + (1 - 1) = 2816
➡ RH = 2816 div 256 = 11
➡ RL = 2816 mod 256 = 0
✦ Set AO Upper Limit to 85%
➡ DL = 85% / 1% = 85
Query
Register Address Register Address
CC1000 CC1000 Function Function
Address Address Code Code
high (RH)
1 16
Reply
CC1000 CC1000 Function Function
Address Address Code Code
1 16

Set AO Lower Limit

✦ CC1000 Address 1
✦ LT address 64, AO 4
➡ Register Address = (64 + 767) x 4 + (4 - 1) = 3327
➡ RH = 3327 div 256 = 12
➡ RL = 3327 mod 256 = 255
✦ Set AO Upper Limit to 10%
➡ DL = 10% / 1% = 10
Query
Register Address Register Address
CC1000 CC1000 Function Function
Address Address Code Code
high (RH)
1 16
Reply
CC1000 CC1000 Function Function
Address Address Code Code
1 16
CC1000 Modbus Reference 2.10e!
Number of Registers Number of Registers
low (RL) high
11 0 0
Register Address Register Address
high (RH) low (RL)
11 0
Number of Registers Number of Registers
low (RL) high
12 255 0
Register Address Register Address
high (RH) low (RL)
12 255
Write Data Write Data
Byte Byte
Count Count
low high (DH)
1 2 0
Number of Registers Number of Registers
high low
0 1
Write Data Write Data
Byte Byte
Count Count
low high (DH)
1 2 0
Number of Registers Number of Registers
high low
0 1
CRC CRC
low (DL) low high
85 220 175
CRC CRC
low high
3 237
CRC CRC
low (DL) low high
10 254 88
CRC CRC
low high
50 169
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