SED2 VFD Electronic Bypass Option Operating Instructions
Automatic Restart Continued
Parameter | Description | Action | Setting/ | |
Default | ||||
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P1210 | P1210 = 4, Restart after supply power |
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(Continued) | brownout (P1211 disabled): |
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| For these settings it is fundamental that |
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| the drive only restarts if it has been in a |
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| RUN state at the time of the fault |
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| (F0003). The inverter will acknowledge |
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| the fault and will restart the drive after a |
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| blackout or brownwout. It is necessary |
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| that the ON command is wired via |
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| digital input (DIN). |
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| P1210 = 5, Restart after blackout or fault |
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| (P1211 disabled): |
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| The inverter will acknowledge the faults |
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| (F0003 etc.) at power on after blackout |
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| and will restart the drive. It is necessary |
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| that the ON command is wired via digital |
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| input (DIN). |
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| P1210 = 6, Restart after supply power |
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| brown/blackout or fault (P1211 disabled): |
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| The inverter will acknowledge the faults |
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| (F0003 etc.) at power on after blackout or |
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| brownout and will restart the drive. It is |
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| necessary that the ON command is wired |
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| via digital input (DIN). Setting 6 causes |
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| the motor to restart immediately. |
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| P1210 = 7, Restart after supply power |
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| brown/blackout or fault (P1211 |
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| enabled): |
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| This setting is for use where an external |
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| bypass system or process is interlocked |
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| with a relay that is set to |
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| P0731/P0732=52.3 (fault). The inverter |
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| functions the same as P1210=6 (trip on |
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| brownout, blackout or fault) but uses |
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| P1211 and only sets the fault bit |
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| P0731/P0732=52.3 when the specified |
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| number of restarts defined in P1211 has |
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| expired. If no trip occurs after 2 hours, |
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| the fault counter is reset. |
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NOTES:
1.Auto restart requires a constant ON command (such as via a digital input).
2.P1200 flying start must be used in cases where the motor may still be turning, such as after a brief input power break, or can be driven by the load.
3.A supply power brownout is when the power is interrupted and reapplied before the operator panel display has gone dark. It is a very short supply power break where the DC link has not fully collapsed.
4.A supply power blackout is when the operator panel display has gone dark before the power is reapplied. It is a long supply power break where the DC link has fully collapsed.
34 | Siemens Building Technologies, Inc. |
