Priority stops
Priority stops on the graphic display terminal
If the graphic display terminal is not the active command channel, pressing the STOP key on the graphic display terminal causes a freewheel stop if:
• The [Stop Key priority] (PSt) parameter in the [1.6 - COMMAND]
If the graphic display terminal is the active command channel, the STOP key causes a stop according to the type of stop configured in the [Type of stop] (Stt) parameter, regardless of the value of the [Stop Key priority] (PSt) parameter.
The effect of the graphic display terminal does not depend on the profile.
Priority stops via the terminals or the network
I/O profile
In the I/O profile:
Stop and fault commands, configured as fixed assignments (LIpp, C1pp, C2pp, C3pp, C4pp), on terminal inputs or control word bits, have priority even if the channel is not active.
Commands, configured as switched assignments (Cd00 ... Cd15), are active if and only if the channel is active.
Fixed assignments are configured by the following values:
Channel |
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| Run on state command |
| Run on edge command | |||
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| [2 wire] (2C) |
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Drive terminals |
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| LI2 ... LI6 |
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| LI3 ... LI6 | |
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Logic I/O card |
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| LI7 ... LI10 |
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Extended I/O card |
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| LI11 ... LI14 |
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Integrated Modbus |
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| C101 ... C115 |
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| C102 ... C115 | |
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CANopen |
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| C201 ... C215 |
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| C202 ... C215 | |
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Communication card |
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| C301 ... C315 |
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| C302 ... C315 | |
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"Controller Inside" card |
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| C401 ... C415 |
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| C402 ... C415 | |
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Command | Configuration |
| = 0 | = 1 |
| Value for starting(1) | ||
Freewheel stop | [Freewheel stop ass.] (nSt) |
| Stop |
| No stop |
| 1 | |
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Fast stop | [Fast stop assign.] (FSt) |
| Stop |
| No stop |
| 1 | |
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DC injection braking | [DC injection assign.] (dCI) |
| No braking |
| Braking |
| 0 | |
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External fault | [External fault ass.] (EtF) |
| No fault |
| Fault |
| 0 | |
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(1)If the assignment is fixed, the value necessary for starting, even if another channel is active.
In run on edge command, configured by [3 wire] (3C):
The stop command (run enable) is assigned by construction to switched order 0 (equivalent to Cd00):
•It is active at the terminals (LI1) only if the terminals are active
•It is active via the network (bit 0) only if the network is active
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