7. Description of Parameters MD500 User Manual
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7.2 Frequency Reference Settings
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ƕ Main frequency reference
ƕ Auxiliary frequency reference
ƕ Main & auxiliary superposition
ƕ Binding command source to main frequency reference
7.2.1 Setting the Main Frequency Reference
The main frequency reference has nine setting modes.
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1. 'LJLWDOVHWWLQJXSGRZQPRGLÀFDWLRQUHWHQWLYHDWSRZHUGRZQ
2. AI1
3. AI2
4. AI3
5. Pulse reference
6. Multi-reference
7. Simple PLC
8. PID reference
Communication reference
F0-03 selects a proper channel to set the main frequency reference.
Function Code Parameter Name Setting Range Default
F0-03 Main frequency reference
setting channel selection
0: Digital setting (non-retentive at power down)
1: Digital setting (retentive at power down)
2: AI1
3: AI2
4: AI3
5: Pulse reference
6: Multi-reference
7: Simple PLC
8: PID
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