Siemens Simatic S7-1500 CPU 1512C-1 PN - Measured Values for Wire Break Diagnostics

Analog value processing
C.3 Representation of input ranges
CPU 1512C-1 PN (6ES7512-1CK01-0AB0)
202 Manual, 12/2017, A5E40898741-AA
Table C- 14 Resistance-type thermometer Ni 100 Climate
Ni 100 Climate in °C
(1 digit = 0.01 °C)
Values
Ni 100 Climate in
°F
(1 digit = 0.01 °F)
Values
Range
dec.
hex.
dec.
hex.
> 155.00
32767
7FFF
> 311.00
32767
7FFF
Overflow
155.00
:
130.01
15500
:
13001
3C8C
:
32C9
311.00
:
266.01
31100
:
26601
797C
:
67E9
Overrange
130.00
:
-60.00
13000
:
-6000
32C8
:
E890
266.00
:
-76.00
26600
:
-7600
67E8
:
E250
Nominal range
-60.01
:
-105.00
-6001
:
-10500
E88F
:
D6FC
-76.01
:
-157.00
-7601
:
-15700
E24F
:
C2AC
Underrange
< - 105.00
-32768
8000
< - 157.00
-32768
8000
Underflow
C.3.4
Measured values for wire break diagnostics
Measured values for "Wire break" diagnostics as a function of diagnostics enables
With suitable parameter assignment, events that occur trigger a diagnostics entry and a
diagnostics interrupt.
Table C- 15 Measured values for wire break diagnostics
Format
Parameter assignment
Measured values
Explanation
S7
• "Wire break" diagnostics enabled
• "Overflow/Underflow" diagnostics
enabled or disabled
("Wire break" diagnostics has a higher
priority than "Overflow/Underflow" diag-
nostics)
32767 7FFF
H
"Wire break" or "Cable break" diagnostics
alarm
• "Wire break" diagnostics disabled
• "Overflow/Underflow" diagnostics
enabled
-32767 8000
H
• Measured value after leaving the under-
range
• Diagnostics alarm "Low limit" violated
• "Wire break" diagnostics disabled
• "Overflow/Underflow" diagnostics
disabled
-32767 8000
H
Measured value after leaving the underrange