Samson 4785, Mounting And Operating Instructions

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Proportional-action
coefficients
KP_Y1 and KP_Y2
The coefficients are adapted to the selected actuator type and
the measured transit times.
Control R 1.41 R 1.4.2
Correction in case of zero adjustment triggered via
communication.
Communication K 1.34 K 1.41
Firmware adaption for new hardware version
Hardware version device index .01
Communication K 1.41 K 1.51
The current status of control loop monitoring is indicated by
bit 7 of the CHECK_BACK parameter. Contrary to bit 13, bit 7
is automatically reset when no further error is detected by
control loop monitoring. The function of bit 13 remains
unchanged. Messages are only issued by bit 7 if control
firmware version R 1.41 or higher is used.
The message "Warm start" indicated by bit 11 of the
DIAGNOSIS parameter is automatically reset after 10 sec.
In operating mode "Local override", bit 2 of the CHECK_BACK
parameter is set.
Communication K 1.51 K 1.60
In operating mode "Manual", the out value is preset by the
parameter OUT.
Communication K 1.60 K 2.00
This firmware version implements the PROFIBUS PA Profile 3.0 ,
Class B for control valves according to PROFIBUS PA Profile for
Process Control Devices Version 3.0-Actuator.
The positioner can be connected to the TROVIS-VIEW
Configuration and Operator Interface via the serial interface for
adjustment and operation.
Firmware modifications
6
EB 8382-2 EN