Task
The PROFIBUS module enables the SIDOOR ATD420W door controller to be connected to a
PROFIBUS eldbus.
Interface
The ATD420W system is implemented as DP slave using the DP-V0 protocol. Data transfer is cyclic
with a class 1 DP master.
An ASIC of the "SPC3" type is used for interfacing to PROFIBUS. RS 485 in accordance with ANSI
TIA/EIA 485-A is used as the transmission technology. Corresponding bus connections must be
provided at the individual bus stations or nodes for fail-safe functioning of the PROFIBUS.
LED signals
The following ve status LEDs are available on the PROFIBUS module:
LED Color Description Position
H1 Green Relay K1 picked up
LED H1 switches on when the controller has detected the
CLOSED position and the pulse generator ceases to output
pulses. The LED H1 is controlled by the basic module (signal
X200.11).
H405
H700
H701
H404
H403
H1
H2
H3
H400 H401 H402
H2 Green Relay K2 picked up
LED H2 switches on when the current distance of the door to
the OPEN position falls below 2 cm and the relay has switch‐
ed on. The LED H2 is controlled by the basic module (signal
X200.9).
H3 Green Valid incoming telegram
LED H3 is controlled by the basic module (signal X200.12),
and indicates the communication status. The LED ashes to
indicate incoming, valid telegrams. Each signal change
stands for such a telegram.
H400 Red "Bus error" PROFIBUS communication disrupted
The H400 LED ashes red in the event of PROFIBUS commu‐
nication errors.
H401 Red "Group error" internal communication disrupted
The H401 LED ashes red in the event of internal communi‐
cation errors. Extended PROFIBUS diagnostic data is being
transferred
H402 Green Power on
LED H401 lights a continuous green after Power on.
H403 Yellow Internal communication to main controller
LEDs H403 and H404 toggle each time after the master has
sent or received an error-free telegram.
H404 Yellow
H405 Yellow Boot
H700 Orange P5V_ISO (X705.6) = OK
H701 Yellow P5V = OK
Controllers
5.5 Relay and eldbus interfaces
ATD4xxW for industrial applications
140 System Manual, 06/2022, A5E51901827B AA
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