Beckhoff KL4494, Manual

Page: 31 / 40

Access from the user program
KL4494 31 Version: 2.0.0
5.3 Register overview
The following registers are used for parameterization of the KL4494. Each signal channel of the analog
terminal has one register that can be read or written to with the aid of
control [ } 30] , status [ } 30] and data
bytes [
}
29] via register communication [
}
35] .
Register no. Comment Default value R/W Memory
R0 [ } 32]
Raw value of the A/D converter (X
R
) - - R RAM
R1 reserved - - -
... ... ... ... ... ...
R5 reserved - - - -
R6 [ } 32]
Diagnostic register - - R RAM
R7 [
}
32]
Command register 0x0000 0
dec
R/W RAM
R8 [ } 32]
Terminal type 0x118E 4494
dec
R ROM
R9 [
}
32]
Firmware version e.g. 0x3141 e.g. 1A
ASCI
R ROM
R10 [ } 32]
Data length (multiplex shift register) 0x0130 304
dec
R ROM
R11 [ } 32]
Signal channels 0x0218 536
dec
R ROM
R12 [
}
32]
Minimum data length 0x9898 39064
dec
R ROM
R13 [ } 32]
Data structure (data type register) 0x0004 4
dec
R ROM
R14 reserved - - - -
R15 [ } 33]
Alignment register e.g. 0x7F80 e.g. 32640
dec
R/W RAM
R16 [
}
33]
Hardware version number e.g. 0x0000 e.g. 0
dec
R/W SEEPROM
R17 [ } 33]
Manufacturer scaling, analog input:
Offset (B
a
)
variable variable R/W SEEPROM
R18 [
}
33]
Manufacturer scaling, analog input:
Gain (A
a
)
typ. 0x1080 typ. 4224
dec
R/W SEEPROM
R19 [
}
33]
Manufacturer scaling, analog output:
Offset (B
a
)
0x0800 2048
dec
R/W SEEPROM
R20 [ } 33]
Manufacturer scaling, analog output:
Gain (A
a
)
typ. 0x7D00 typ. 32000
dec
R/W SEEPROM
R21 [ } 33]
Overrange-Limit 0x0000 0
dec
R/W SEEPROM
R22 [
}
33]
Underrange-Limit 0x0000 0
dec
R/W SEEPROM
R23 reserved - - - -
... ... ... ... ... ...
R30 reserved - - - -
R31 [
}
33]
Code word register 0x0000 0
dec
R/W RAM
R32 [ } 34]
Feature register 0x0404 1028
dec
R/W SEEPROM
R33 [
}
34]
User scaling, analog input: Offset
(B
w
)
0x0000 0
dec
R/W SEEPROM
R34 [ } 35]
User scaling, analog input: Gain
(A
w
)
0x0100 256
dec
R/W SEEPROM
R35 [ } 35]
User default value for analog output 0x0000 0
dec
R/W SEEPROM
R36 [
}
35]
User scaling, analog output: Offset
(B
w
)
0x0000 0
dec
R/W SEEPROM
R37 [ } 35]
User scaling, analog output: Gain
(A
w
)
0x0100 256
dec
R/W SEEPROM
R38 reserved - - - -
... reserved ... ... ... ...
R63 reserved - - - -