Beckhoff KL4414, Documentation

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Access from the user program
KL4414, KL4418, KL4424, KL4428 37 Version: 3.0.0
Status byte 1 in register communication
The status byte 1 (SB1) is located in the input image [ } 33] and is transmitted from terminal to the controller.
Bit SB1.7 SB1.6 SB1.5 SB1.4 SB1.3 SB1.2 SB1.1 SB1.0
Name RegAccess R/W Reg. no.
Key
Bit Name Description
SB1.7 RegAccess 1
bin
Acknowledgment for register access
SB1.6 R 0
bin
Read access
SB1.5 to SB1.0 Reg. no. Number of the register that was read or written.
7.4 Register overview
The following registers are used for parameterizing the KL4414, KL4418, KL4424 and KL4428. Each signal
channel of the analog terminal has one register that can be read or written to with the aid of
control, status
[ } 36] and data bytes [ } 34] via register communication [ } 41] .
Register no. Comment Default value R/W Memory
R0 [ } 38]
Process data for D/A-C - - R RAM
R1…R5 reserved - - -
R6 [ } 38]
Diagnostic register (not used) - - R RAM
R7 [
}
38]
Command register (not used) 0x0000 0
dec
R/W RAM
R8 [ } 38]
Terminal type KL4414: 0x113E 4414
dec
R ROM
KL4418: 0x1142 4418
dec
KL4424: 0x1148 4424
dec
KL4428: 0x114C 4428
dec
R9 [ } 38]
Firmware version e.g. 0x3141 e.g. 1A
ASCI
R ROM
R10 [
}
38]
Data length (multiplex shift register) 0x0230 560
dec
R ROM
R11 [ } 38]
Signal channels 0x0418 1048
dec
R ROM
R12 [
}
38]
Minimum data length 0x9800 38912
dec
R ROM
R13 [
}
39]
Data structure (data type register) 0x0004 4
dec
R ROM
R14 reserved - - - -
R15 [
}
39]
Alignment register e.g. 0x7F80 e.g. 32640
dec
R/W RAM
R16 [ } 39]
Hardware version number e.g. 0x0000 e.g. 0
dec
R/W SEEPROM
R17 [
}
39]
Hardware compensation: offset (B
a
) 0x0001 1
dec
R/W SEEPROM
R18 [ } 39]
Hardware compensation: gain (A
a
) typ. 0x0E99 typ. 3737
dec
R/W SEEPROM
R19 [
}
39]
Manufacturer scaling: offset (B
h
) 0x0000 0
dec
R/W SEEPROM
R20 [ } 39]
Manufacturer scaling: gain (A
h
) typ. 0x0020 typ. 32
dec
R/W SEEPROM
R21 [ } 39]
Manufacturer's switch-on value 0x0000 0
dec
R/W SEEPROM
R22…R30 reserved - - - -
R31 [ } 39]
Code word register 0x0000 0
dec
R/W RAM
R32 [
}
40]
Feature register 0x0006 6
dec
R/W SEEPROM
R33 [ } 40]
User scaling: offset (B
w
) 0x0000 0
dec
R/W SEEPROM
R34 [
}
40]
User scaling: gain (A
w
) 0x0100 256
dec
R/W SEEPROM
R35 [ } 40]
User switch-on value 0x0000 0
dec
R/W SEEPROM
R36…R63 reserved - - - -