analog bits and words
Configuration objects associated with the analog application
At a Glance
Constant words
These are the objects which can only be accessed in read format and which contain the configuration parameters.
Table of constant words available according to the different types of module:
Address
%KWx.i.0
%KWx.i.1
%KWx.i.2
Meaning Analog builtin
Yes Channel parameters defined at configuration
Minimal scale values defined at configuration
No
Maximum scale values defined at configuration
No
Input modules
Yes
Yes
Yes
Output modules
Yes
No
No
Details of word
%KW.x.i.0
Command word for the input channels:
Address
%KWx.0:X0 to X5
Meaning
Range of use coded on 6 bits:
00 0000 = reserved
00 0001 = 4-20 mA or Thermocouple B
00 0010 = 0-20 mA or Thermocouple E
00 0011 = Thermocouple J
00 0100 = Thermocouple K
00 0101 = Thermocouple N
00 0110 = Thermocouple R
00 0111 = 1-5 V or Thermocouple S
00 1000 = Thermocouple T
00 1001 = 5 V or Thermocouple U
00 1010 = 10 V or Thermocouple L
00 1011 to 01 1111 = reserved
10 0000 = Pt100
10 0010 = reserved
10 0010 = Ni1000
10 0011 to 11 1101 = reserved
11 1110 = discrete range
11 1111 = reserved
TLX DS 37 PL7 xx
269
analog bits and words
Address
%KWx.0:X6
%KWx.0:X7
%KWx.0:X8
%KWx.0:X9
%KWx.0:X10
%KWx.0:X11
%KWx.0:X12
%KWx.0:X13
%KWx.0:X14 and X15
Meaning
Polarity: l if electrical range:
0 = unipolar, 1 = bipolar l if temperature range:
0 = °C, 1 = °F
Type of range:
0 = electrical, 1 = temperature
Scanning cycle
0 = normal, 1 = fast
Channel used
0 = normal, 1 = fast not used
Not used
Cold junction compensation:
0 = internal, 1 = external
(only on TSX AEZ 414)
Scale:
0 = manufacturer, 1 = user
Not used
Command word for the output channels:
Address
%KWx.0:X0 to X5
%KWx.0:X6
%KWx.0:X7
%KWx.0:X8
%KWx.0:X9 and X10
%KWx.0:X11
%KWx.0:X12 to X15
Meaning
Output range coded on 6 bits:
00 0000 = reserved
00 0001 = 4-20 mA
00 0010 = 0-20 mA
00 0011 to 00 1001 = reserved
00 1010 = 10 V
00 1011 to 11 1111 = reserved
Polarity:
0 = unipolar, 1 = bipolar
Reserved
Fallback mode
0 = fallback, 1 = maintain
Reserved
Reserved
Reserved
270
TLX DS 37 PL7 xx
