Access from the user program
KL3224
31
Version: 2.0.0
R11: Signal channels
Related to R10, this contains the number of channels that are logically present. Thus for example a shift
register that is physically present can perfectly well consist of several signal channels.
R12: Minimum data length
The particular byte contains the minimum data length for a channel that is to be transferred. If the MSB is
set, the control and status byte is not necessarily required for the terminal function and is not transferred to
the control, if the Bus Coupler is configured accordingly.
R13: Data type register
Value
Data type
0x00
Terminal with no valid data type
0x01
Byte array
0x02
Structure 1 byte n bytes
0x03
Word array
0x04
Structure 1 byte n words
0x05
Double word array
0x06
Structure 1 byte n double word
0x07
Structure 1 byte 1 double word
0x08
Structure 1 byte 1 double word
0x11
Byte array with variable logical channel length
0x12
Structure 1 byte n bytes with variable logical channel length (e.g., 60xx)
0x13
Word array with variable logical channel length
0x14
Structure 1 byte n words with variable logical channel length
0x15
Double word array with variable logical channel length
0x16
Structure 1 byte n double words with variable logical channel length
R14: Reserved
R15: Alignment bits (RAM)
The alignment bits are used to place the analog terminal in the Bus Coupler on a byte boundary.
R16 to R30: Manufacturer parameter area (SEEROM)
The manufacturer parameters are specific for each type of terminal. They are programmed by the
manufacturer, but can also be modified by the controller. The manufacturer parameters are stored in a serial
EEPROM in the terminal, and are retained in the event of voltage drop-out.
These registers can only be altered after a code word has been set in R31.
R17: Hardware compensation – offset (B_a)
16-bit signed integer
This register is used for offset compensation of the terminal (Eq. 1.1).
Register value approx. 0xEDXX
R18: Hardware compensation – gain (A_a)
16 bits * 16
-5
(approx. 0,01907 Ω/digit)
This register is used for gain compensation of the terminal (Eq. 1.1).
Register value approx. 0x27XX
