IL17574C
Page 5-16
Effective Date: 2/04
IQ 300
Page 5-16
Effective Date: 2/04
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Message
Byte
Description
3
Byte0
Bit
Description
B0-2
KYZ Selection
Code
KYZ Selection
Code
Selection
000
None selected
100
-Wh
001
None selected
101
+VARh
101
None selected
110
-VARh
011
+Wh
111
Vah
B4-7
KYZ Rate B3 =0
Code
Rate
Code
Rate
Code
Rate
0000
1Wh
0110
7Wh
1100
50Wh
0001
2Wh
0111
8Wh
1101
60Wh
0010
3Wh
1000
9Wh
1110
80Wh
0011
4Wh
1001
10Wh
1111
100Wh
0100
5Wh
1010
20Wh
0101
6Wh
1011
40Wh
B3=1
0000
1/32Wh
0110
5/8Wh
1100
15Wh
0001
1/16Wh
0111
3/4Wh
1101
30Wh
0010
1/8Wh
1000
11Wh
1110
70Wh
0011
1/4Wh
1001
12Wh
1111
90Wh
0100
3/8Wh
1010
13Wh
0101
1/2Wh
1011
14Wh
Byte1
Reserved = 0
Byte2
Reserved = 0
4
Byte0
B0-3
Output #1 mode selection
0-3 ENUM, Null = 0, Message = 1, Voltage = 2, Phase 3
B4-7
Output #2 mode selection
0-3 ENUM, Null = 0, Message = 1, Voltage = 2, Phase = 3
Byte1
Reserved = 0
Byte2
Voltage trip value, range 0 to 125 decimal
5
Reserved = 0
6
Byte0
Checksum (sum of previous 5 messages) – LSByte
Byte1
Checksum (sum of previous 5 messages) – MSByte
Byte2
Complement of LSByte of checksum
Table 5.13 Cont.
5.8 MODBUS EXCEPTION CODES
You can expect the following exception codes from the unit in a modbus exception
message.
Exception
Code (Hex)
Description
01 Invalid
Function
02 Invalid
Register
03 Invalid
Data
84
Partial Register Access Error