KL4494 - Analog terminal with two input and two output channels, -10 V...+10V

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, status and data bytes via register communication.

 
 
Register no.
Comment
Default value
R/W
Memory
Raw value of the A/D converter (XR)
-
-
R
RAM
R1
reserved
-
 
-
-
...
...
...
...
...
...
R5
reserved
-
-
-
-
Diagnostic register
-
-
R
RAM
Command register
0x0000
0dec
R/W
RAM
Terminal type
0x118E
4494dec
R
ROM
Firmware version
e.g. 0x3141
e.g. 1AASCI
R
ROM
Data length (multiplex shift register)
0x0130
304dec
R
ROM
Signal channels
0x0218
536dec
R
ROM
Minimum data length
0x9898
39064dec
R
ROM
Data structure (data type register)
0x0004
4dec
R
ROM
R14
reserved
-
-
-
-
Alignment register
e.g. 0x7F80
e.g. 32640dec
R/W
RAM
Hardware version number
e.g. 0x0000
e.g. 0dec
R/W
SEEPROM
Manufacturer scaling, analog input: Offset (Ba)
variable
variable
R/W
SEEPROM
Manufacturer scaling, analog input: Gain (Aa)
typ. 0x1080
typ. 4224dec
R/W
SEEPROM
Manufacturer scaling, analog output: Offset (Ba)
0x0800
2048dec
R/W
SEEPROM
Manufacturer scaling, analog output: Gain (Aa)
typ. 0x7D00
typ. 32000dec
R/W
SEEPROM
Overrange-Limit
0x0000
0dec
R/W
SEEPROM
Underrange-Limit
0x0000
0dec
R/W
SEEPROM
R23
reserved
-
-
-
-
...
...
...
...
...
...
R30
reserved
-
-
-
-
Code word register
0x0000
0dec
R/W
RAM
Feature register
0x0404
1028dec
R/W
SEEPROM
User scaling, analog input: Offset (Bw)
0x0000
0dec
R/W
SEEPROM
User scaling, analog input: Gain (Aw)
0x0100
256dec
R/W
SEEPROM
User default value for analog output
0x0000
0dec
R/W
SEEPROM
User scaling, analog output: Offset (Bw)
0x0000
0dec
R/W
SEEPROM
User scaling, analog output: Gain (Aw)
0x0100
256dec
R/W
SEEPROM
R38
reserved
-
-
-
-
...
reserved
...
...
...
...
R63
reserved
-
-
-
-