Configuration Of The Encoders - Festo CAMC-G-S3 Manual

2 Product description of safety module CAMC-G-S3
2.3.2

Configuration of the encoders

The selection and setting of the shaft encoder for measuring position, setting the angle / position
counting direction, resolution of the position encoder and the setting of the gear ratios of the position
encoder are also taken automatically from the configuration of the basic unit.
Important:
Frequently, in the basic unit, only one position encoder (on the motor) is used for control,
but, in many cases, for functional safety (è Tab. 2.7) a further position encoder is
planned, e.g. at the downforce.
Please ensure that you have already configured the position encoder(s) in the basic unit
via FCT, as the following example for 2 encoders shows:
Otherwise data transfer cannot take place fully.
Please note
These parameters must be transferred to the safety module and checked and validated.
Only then can it be guaranteed that the safety module will perform calculations in the
same units as the basic unit!
The configuration of the position encoder is relatively involved, because the safety module supports
many different encoder types and configurations. For this reason, the configuration is divided up into
the following tabs in the SafetyTool:
– standard parameters (selection of the encoder interfaces and encoder types),
– parameters for position encoder at [X2B],
– parameters for position encoder at [X10],
– expert parameters for cross-comparison of the position data,
– expert parameters for configuration of the safe rotational speed recording and idle detection,
– Expert parameters for the signal monitoring of safe encoders with analogue signals (resolver,
SIN/COS encoder).
Standard parameters
Here, a selection is made of which encoder interface and which encoder type in the safety module is
used as position encoder 1 and as position encoder 2. Gear units between motor and axle are mapped
via the gear ratio. Via negative gear factors, a rotational direction reversal is taken into account.
40 Festo – GDCP-CAMC-G-S3-EN – 1406NH – English