Priority stops
CiA402 profile
In the CiA402 profile, separate or not separate mode:
External 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 (Cd11 ... Cd15), are active if and only if the channel is active.
Fixed assignments are configured by the following values:
Channel | Run on state command |
| Run on edge command |
[2 wire] (2C) |
| [3 wire] (3C) | |
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Drive terminals | LI2 ... LI6 |
| LI3 ... LI6 |
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Logic I/O card |
| LI7 ... LI10 | |
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Extended I/O card |
| LI11 ... LI14 | |
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Integrated Modbus |
| C111 ... C115 | |
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CANopen |
| C211 ... C215 | |
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Communication card |
| C311 ... C315 | |
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"Controller Inside" card |
| C411 ... C415 | |
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Cp11 is assigned by default to the reverse direction command [Reverse assign.] (rrS).
At the terminals:
Command | Configuration | = 0 | = 1 | Value for | State reached from | |
starting(1) |
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Freewheel stop | [Freewheel stop ass.] | Stop | No stop | 1 | ||
(nSt) | ||||||
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Fast stop | [Fast stop assign.] (FSt) | Stop | No stop | 1 | ||
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DC injection braking | [DC injection assign.] | No braking | Braking | 0 | ||
(dCI) | ||||||
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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 LI1. This command is active even if the terminals are not the active channel.
Via the network:
Command | Configuration | = 0 | = 1 | Value for | State reached from | |
starting(1) | ||||||
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Fast stop | [Fast stop assign.] (FSt) | No stop | Stop | 0 | ||
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DC injection braking | [DC injection assign.] | No braking | Braking | 0 | ||
(dCI) | ||||||
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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 the CiA402 profile, the freewheel stop command [Freewheel stop ass.] (nSt) cannot be assigned to the control word. Freewheel stop is obtained via the
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