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Page 8 registers continued



22 Mains kW Limit 0 15 13/16-16/16
  Negative phase sequence 0 15 9/16-12/16
  Mains ROCOF 0 15 5/16-8/16
  Mains vector shift 0 15 1/16-4/16
23 Mains G59 low frequency 0 15 13/16-16/16
  Mains G59 high frequency 0 15 9/16-12/16
  Mains G59 low voltage 0 15 5/16-8/16
  Mains G59 high voltage 0 15 1/16-4/16
24 Mains G59 trip 0 15 13/16-16/16
  Generator kW Overload 0 15 9/16-12/16
  Engine Inlet Temperature high 0 15 5/16-8/16
  Bus 1 live 0 15 1/16-4/16
25 Bus 1 phase rotation wrong 0 15 13/16-16/16
  Bus 2 live 0 15 9/16-12/16
  Bus 2 phase rotation wrong 0 15 5/16-8/16
  Reserved 0 15 1/16-4/16
26-32 Unimplemented      
33-127 Reserved      

 

Page 8 registers continued

128 Number of unnamed digital inputs 0 128 16
129 Unnamed digital input 1 0 15 13/16-16/16
  Unnamed digital input 2 0 15 9/16-12/16
  Unnamed digital input 3 0 15 5/16-8/16
  Unnamed digital input 4 0 15 1/16-4/16
130 Unnamed digital input 5 0 15 13/16-16/16
  Unnamed digital input 6 0 15 9/16-12/16
  Unnamed digital input 7 0 15 5/16-8/16
  Unnamed digital input 8 0 15 1/16-4/16
131 Unnamed digital input 9 0 15 13/16-16/16
  Unnamed digital input 10 0 15 9/16-12/16
  Unnamed digital input 11 0 15 5/16-8/16
  Unnamed digital input 12 0 15 1/16-4/16
132 Unnamed digital input 13 0 15 13/16-16/16
  Unnamed digital input 14 0 15 9/16-12/16
  Unnamed digital input 15 0 15 5/16-8/16
  Unnamed digital input 16 0 15 1/16-4/16
133 Unnamed digital inputs 17-20 0 15 16
134 Unnamed digital inputs 21-24 0 15 16
135 Unnamed digital inputs 25-28 0 15 16
136 Unnamed digital inputs 29-32 0 15 16
137 Unnamed digital inputs 33-36 0 15 16
138 Unnamed digital inputs 37-40 0 15 16
139 Unnamed digital inputs 41-44 0 15 16
140 Unnamed digital inputs 45-48 0 15 16
141 Unnamed digital inputs 49-52 0 15 16
142 Unnamed digital inputs 53-56 0 15 16
143 Unnamed digital inputs 57-60 0 15 16
144 Unnamed digital inputs 61-64 0 15 16
145 Unnamed digital inputs 65-68 0 15 16
146 Unnamed digital inputs 69-72 0 15 16
147 Unnamed digital inputs 73-76 0 15 16
148 Unnamed digital inputs 77-80 0 15 16
149 Unnamed digital inputs 81-84 0 15 16
150 Unnamed digital inputs 85-88 0 15 16
151 Unnamed digital inputs 89-92 0 15 16
152 Unnamed digital inputs 93-96 0 15 16
153 Unnamed digital inputs 97-100 0 15 16
154 Unnamed digital inputs 101-104 0 15 16
155 Unnamed digital inputs 105-108 0 15 16
156 Unnamed digital inputs 109-112 0 15 16
157 Unnamed digital inputs 113-116 0 15 16
158 Unnamed digital inputs 117-120 0 15 16
159 Unnamed digital inputs 121-124 0 15 16
160 Unnamed digital inputs 125-128 0 15 16
161-255 Reserved      

 

Alarm condition codes

Condition Meaning Displayed string
0 Disabled digital input None
1 Not active alarm None
2 Warning alarm Active string
3 Shutdown alarm Active string
4 Electrical trip alarm Active string
5-7 Reserved  
8 Inactive indication (no string) None
9 Inactive indication (displayed string) Inactive string
10 Active indication Active string
11-14 Reserved  
15 Unimplemented alarm None

 

Notes on alarm codes

1. An alarm that is fitted but disabled by the configuration of the slave device returns code 0.

2. An alarm that is not implemented on a particular control unit returns code 15.

3. An indication that does not require a message to be displayed when inactive returns either code 8 or 10.

4. An indication that does require a message to be displayed when inactive returns either code 9 or 10.

5. The inactive strings are only required for indications, in all other cases they will contain 32 spaces.

 

Page 9 – Total Harmonic Distortion

Notes:

1. These are read only registers.

2. Only supported on 88xx/84xx modules at present (introduced at version 1.0 of these modules)

3. 8810/8410 don’t support registers 120-131 – they will return Unimplemented (sentinel value)

 

Registers

Register offset Name Minimum value Maximum value Scaling factor Units Bits/ Sign
0 V1 Voltage L1 THD 0 10000 0.01 % 16
1 V1 Voltage L1 Fundamental level 0 100 1   16
2 V1 Voltage L1 3rd harmonic level 0 100 1   16
3 V1 Voltage L1 5th harmonic level 0 100 1   16
4 V1 Voltage L1 7th harmonic level 0 100 1   16
5 V1 Voltage L1 9th harmonic level 0 100 1   16
6 V1 Voltage L1 11th harmonic level 0 100 1   16
7 V1 Voltage L1 13th harmonic level 0 100 1   16
8 V1 Voltage L1 15th harmonic level 0 100 1   16
9 V1 Voltage L1 17th harmonic level 0 100 1   16
10 V1 Voltage L1 19th harmonic level 0 100 1   16
11 V1 Voltage L1 21st harmonic level 0 100 1   16
12-23 V1 Voltage L2 THD etc          
24-35 V1 Voltage L3 THD etc          
36-47 V2 Voltage L1 THD etc          
48-59 V2 Voltage L2 THD etc          
60-71 V2 Voltage L3 THD etc          
72-83 Current L1 THD etc          
84-95 Current L2 THD etc          
96-107 Current L3 THD etc          
108-119 Current Neutral/Earth THD etc          
120-131 Current 5th CT THD etc          
132-255 Reserved          

 







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