Register Description - Beckhoff KL3208-0010 Documentation

5.4

Register description

The registers are used for parameterizing the Bus Terminals and are once available for each channel. They
can be read or written by means of register communication [} 42].
Basic configuration is also possible via the PLC using the function blocks FB_KL3208Config (TwinCAT2,
TwinCAT3) and FB_KL3228Config (TwinCAT2, TwinCAT3).
R0: A/D converter, raw value
Register R0 contains the raw value of the analog/digital converter. This is the unchanged analog value prior
to any scaling.
R1: A/D converter, raw value of the line
Register R1 contains the raw value of the line resistance between +R1 – RL1 or between +R2 – RL2.
R6: Diagnostic register
The status byte SBn of Channel n is shown in the low byte of register R6.
R7: Command register
The command register of KL3228 is currently not used.
R8: Terminal description
The terminal identifier is contained in register R8:
• KL3208-0010: 0x0C88 (3208
• KL3228-0000: 0x0C9C (3228
R9: Firmware version
Register R9 contains the ASCII coding of the terminal's firmware version, e.g. 0x3141 = '1A'. The '0x31'
corresponds here to the ASCII character '1', while the '0x41' represents the ASCII character 'A'.
This value cannot be changed.
R12: Minimum data length of a channel
Bits 0 to 6 of the high-order byte specify the minimum number of output data in bits: 000.0000
0 bytes.
Bits 0 to 6 of the low-order byte specify the minimum number of input data in bits: 001.1000
3 bytes.
The fact that bit 7 is set indicates that the control and status byte are not mandatory for the terminal function
and are not transferred in compact mode.
R16: Hardware version number
Register R16 contains the hardware version of the terminal.
R17: Vendor calibration - offset
This register contains the offset of the vendor calibration.
R18: Vendor calibration - gain
This register contains the gain of the vendor calibration.
R19: Manufacturer scaling - offset:
This register contains the offset of the manufacturer scaling. It can be activated by R32.1 [} 40] in the
feature register.
R20: Manufacturer scaling - gain:
This register contains the gain of the manufacturer scaling. It can be activated by R32.1 [} 40] in the feature
register.
R21: Offset register for two-wire connection
The value of register 1 at short circuit +R1-RL1 or +R2-RL2
R23: Reference calibration value: Offset
This register contains the reference value of the calibration, which is determined during the vendor
calibration.
KL3208-0010, KL3228-0000,
KS3228-0000
)
dec
)
dec
Version: 3.1.0
Access from the user program
= 0 , hence
bin dec
= 24 , hence
bin dec
39