4.1.2.
Description of the bytes in the process representation input
Byte 1: Logical signals
Bits 3, 6, and 7 are collective signals.
Bits 5 and 4 of the logical signals (byte1) indicate a logical operation of the actuator,
i.e. they are set when the actuator has received the command to perform an electrical
operation (also active when e.g. the actuator is in a stepping pause during stepping
mode or waiting for the end of the dead time).
Table 4: Byte 1: Logical signals
Description
Value
Prm-Text-Def GSD file
Designation
(process representation)
Bit
For limit seating: Limit switch operated in direction OPEN
For torque seating: Torque switch and limit switch oper-
ated in direction OPEN
1
(2) = "Bit: End p. OPEN"
End position OPEN
0
No signal
0
For limit seating: Limit switch operated in direction
CLOSE
For torque seating: Torque switch and limit switch oper-
ated in direction CLOSE
1
(1) = "Bit End p. CLOSED"
End position CLOSED
1
No signal
0
The setpoint is within max. error variable (outer dead
band). Is only signalled if Profibus DP master has set
the
Fieldbus SETPOINT
bit (process representation
output).
1
(5) = "Bit: Setpoint reached"
Setpoint pos.reached
2
No signal
0
Collective signal 04:
Contains the result of a disjunction (OR-operation) of all
bits comprised in bytes 13 and 14 (Not ready REMOTE
1 and Not ready REMOTE 2).
The actuator cannot be operated from REMOTE.
The actuator can only be operated via the local controls.
1
(22) = "Bit: Not ready RE-
MOTE"
Not ready REMOTE
3
In bytes 13 and 14, no signals are active (all bits are set
to 0).
0
An operation command via the local controls push but-
tons or via fieldbus in direction OPEN is performed:
Fieldbus OPEN
or
Fieldbus SETPOINT
(process repres-
entation output). This bit remains also set during opera-
tion pauses (e.g. due to the dead time or the reversing
prevention time).
1
(7) = "Bit: Running OPEN"
Running OPEN
4
Operation in direction OPEN via fieldbus is not executed.
0
An operation command via the local controls push but-
tons or via fieldbus in direction CLOSE is performed:
Fieldbus CLOSE
or
Fieldbus SETPOINT
(process rep-
resentation output). This bit remains also set during op-
eration pauses (e.g. due to the dead time or the revers-
ing prevention time).
1
(6) = "Bit: Running CLOSE"
Running CLOSE
5
Operation in direction CLOSE via fieldbus is not ex-
ecuted.
0
Collective signal 02:
Contains the result of a disjunction (OR-operation) of all
bits of bytes 17 to 20 (Warning 1 to Warning 4).
1
(21) = "Bit: Warnings"
Warning
6
In bytes 17 and 20, no warnings are active (all bits are
set to 0).
0
Collective signal 03:
Contains the result of a disjunction (OR-operation) of all
bits of bytes 15 and 16 (Fault 1 and Fault 2).
The actuator cannot be operated.
1
(20) = "Bit: Fault"
Fault
7
In bytes 15 and 16, no faults are active (all bits are set
to 0).
0
23
Actuator controls
AC(V) 01.2/AC(V)ExC 01.2 Profibus DP
Description of the data interface
Содержание AC(V) 01.2
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