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AKD2G-S Installation Manual, Safety 1 | 10 Safety Manual
10.1 General notes
Resulting Functional Safety classification (SIL and/or PL level) is calculated across the drive
system. The drive system usually consists of
motion controller (e.g. AKC/KAS),
safety controller (e.g. KSM),
servo drives (AKD2G) and servo motors (e.g. AKM2G),
motor brakes, feedback systems,
cables to connect drive and motor,
sensors/actors.
The safety properties listed in this chapter can be reached with Kollmorgen components.
The user must ensure the compliance of the application with all relevant directives and local
electrical code. The user is responsible for implementation and validation of the drive sys-
tem and safety system.
Only properly qualified personnel are permitted to perform such tasks as installation, setup
and verification/validation.
Mechanical installation: only by qualified personnel with mechanical expertise according
to IEC 60417-6183.
Electrical installation: only by qualified personnel with electrotechnical expertise accord-
ing to IEC 60417-6182.
Parameterizing Functional Safety: only by trained personnel with expertise appropriate
to the complexity and safety integrity level of the drive system.
Verification/Validation: only by trained personnel after any changes to the installation.
The expertise of the personnel must be appropriate to the complexity and safety integrity
level of the drive system.
Safe State:
The safe state is always to remove the motor torque on all axes, to apply the
brake(s), to de-energize all the safe digital outputs and to set the safe fieldbus connection to
safe state (if applicable).
Fail-safe:
I/O failure and internal failure (such as problems detected on the drive or on the
safety system itself) lead to safe state.
High electrical voltage!
Risk of electrical shock! The safety functions do not provide an electrical separation from the
power output. If manual access to the motor or drive power terminals is necessary,
disconnect the drive from mains supply,
consider the discharging time of the DC-Bus link,
ensure the cabinet is safely disconnected and protected against unintended switch-on
(for instance, with a lock-out and warning signs).
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Kollmorgen | kdn.kollmorgen.com | S102, April 2020