Burkert Type 8642 - Manual (Page 45)

44 - 8642
english
6.2.3.5 Description of the block parameters of the function block
READBACK_D This parameter indicates the position of the valve and
the sensors
Bit
Not initialised
closed
open
moving
State sensor 1
Short circuit sensor 1
Lead break senor 1
State sensor 2
Short circuit sensor 2
Lead break sensor 2
1 = active
0 = inactive
SP_D Setpoint
Bit 0 in the value indicates the valve position. The status
transferred must be a „good“ status, e.g. 0x80.
OUT_D Process variable of the valve position
Bit 0 in the value indicates the valve position.
RCAS_IN_D Set value in the RCAS (remote cascade) state.
Bit 0 in the value indicates the valve position. The status
transferred must be a „good“ status, e.g. 0x80.
RCAS_OUT_D Process value of the valve position in the RCAS state.
Bit 0 in the value indicates the valve position.
CHANNEL Indicates the transducer block. Channels 1-4 exist. The
functional blocks have a fixed allocation.
INVERT Inverts the set point in the mode AUTO or RCas.
0 = not inverted
1 = inverted
1 0 7 6 5 4 3 2
0 0
0 1
1 0
1 1