
Modbus Memory Map
Table 1: 489 Memory Map (Sheet 25 of 29)
489
Communications Guide
| ADDR | NAME | RANGE | STEP | UNITS | FORMAT | DEFAULT | 
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| 2B0F | Averaged Generator Load Maximum | 0 to 2000 | 1 | ⋅ FLA | F3 | 125 | 
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| 2B10 | Hottest Stator RTD Minimum | 1 | °C | F4 | 0 | |
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| 2B11 | Hottest Stator RTD Maximum | 1 | °C | F4 | 200 | |
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| 2B12 | Hottest Bearing RTD Minimum | 1 | °C | F4 | 0 | |
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| 2B13 | Hottest Bearing RTD Maximum | 1 | °C | F4 | 200 | |
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| 2B14 | Ambient RTD Minimum | 1 | °C | F4 | 0 | |
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| 2B15 | Ambient RTD Maximum | 1 | °C | F4 | 70 | |
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| 2B16 | RTD #1 Minimum | 1 | °C | F4 | 0 | |
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| 2B17 | RTD #1 Maximum | 1 | °C | F4 | 200 | |
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| 2B18 | RTD #2 Minimum | 1 | °C | F4 | 0 | |
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| 2B19 | RTD #2 Maximum | 1 | °C | F4 | 200 | |
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| 2B1A | RTD #3 Minimum | 1 | °C | F4 | 0 | |
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| 2B1B | RTD #3 Maximum | 1 | °C | F4 | 200 | |
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| 2B1C | RTD #4 Minimum | 1 | °C | F4 | 0 | |
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| 2B1D | RTD #4 Maximum | 1 | °C | F4 | 200 | |
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| 2B1E | RTD #5 Minimum | 1 | °C | F4 | 0 | |
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| 2B1F | RTD #5 Maximum | 1 | °C | F4 | 200 | |
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| 2B20 | RTD #6 Minimum | 1 | °C | F4 | 0 | |
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| 2B21 | RTD #6 Maximum | 1 | °C | F4 | 200 | |
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| 2B22 | RTD #7 Minimum | 1 | °C | F4 | 0 | |
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| 2B23 | RTD #7 Maximum | 1 | °C | F4 | 200 | |
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| 2B24 | RTD #8 Minimum | 1 | °C | F4 | 0 | |
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| 2B25 | RTD #8 Maximum | 1 | °C | F4 | 200 | |
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| 2B26 | RTD #9 Minimum | 1 | °C | F4 | 0 | |
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| 2B27 | RTD #9 Maximum | 1 | °C | F4 | 200 | |
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| 2B28 | RTD #10 Minimum | 1 | °C | F4 | 0 | |
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| 2B29 | RTD #10 Maximum | 1 | °C | F4 | 200 | |
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| 2B2A | RTD #11 Minimum | 1 | °C | F4 | 0 | |
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| 2B2B | RTD #11 Maximum | 1 | °C | F4 | 200 | |
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| 2B2C | RTD #12 Minimum | 1 | °C | F4 | 0 | |
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| 2B2D | RTD #12 Maximum | 1 | °C | F4 | 200 | |
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| 2B2E | AB Voltage Minimum | 0 to 150 | 1 | ⋅ Rated | F3 | 0 | 
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| 2B2F | AB Voltage Maximum | 0 to 150 | 1 | ⋅ Rated | F3 | 125 | 
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| 2B30 | BC Voltage Minimum | 0 to 150 | 1 | ⋅ Rated | F3 | 0 | 
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| 2B31 | BC Voltage Maximum | 0 to 150 | 1 | ⋅ Rated | F3 | 125 | 
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| 2B32 | CA Voltage Minimum | 0 to 150 | 1 | ⋅ Rated | F3 | 0 | 
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| 2B33 | CA Voltage Maximum | 0 to 150 | 1 | ⋅ Rated | F3 | 125 | 
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| 2B34 | Average Voltage Minimum | 0 to 150 | 1 | ⋅ Rated | F3 | 0 | 
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| 2B35 | Average Voltage Maximum | 0 to 150 | 1 | ⋅ Rated | F3 | 125 | 
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| 2B36 | Volts/Hertz Minimum | 0 to 200 | 1 | ⋅ Rated | F3 | 0 | 
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| 2B37 | Volts/Hertz Maximum | 0 to 200 | 1 | ⋅ Rated | F3 | 150 | 
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| 2B38 | Frequency Minimum | 0 to 9000 | 1 | Hz | F3 | 5900 | 
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| 2B39 | Frequency Maximum | 0 to 9000 | 1 | Hz | F3 | 6100 | 
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| 2B3C | Power Factor Minimum | 1 | – | F6 | 80 | |
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| 2B3D | Power Factor Maximum | 1 | – | F6 | ||
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| 2B3E | Reactive Power Minimum | 1 | ⋅ Rated | F6 | 0 | |
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| 2B3F | Reactive Power Maximum | 1 | ⋅ Rated | F6 | 125 | |
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| 2B40 | Real Power (MW) Minimum | 1 | ⋅ Rated | F6 | 0 | |
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| 2B41 | Real Power (MW) Maximum | 1 | ⋅ Rated | F6 | 125 | |
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| 2B42 | Apparent Power Minimum | 0 to 200 | 1 | ⋅ Rated | F3 | 0 | 
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| 2B43 | Apparent Power Maximum | 0 to 200 | 1 | ⋅ Rated | F3 | 125 | 
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| 2B44 | Analog Input 1 Minimum | 1 | Units | F12 | 0 | |
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| 2B46 | Analog Input 1 Maximum | 1 | Units | F12 | 50000 | |
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1, 2, 3 See Table footnotes on page 39
| GE Multilin | 
http://www.GEindustrial.com/multilin
| 35 | 
