Siemens ET 200S Manual page 360

Analog Electronic Modules
Measured Values in the Case of a Wire Break Depending on Diagnostic Being
Enabled
The rules and additions outlined below apply to the following measuring ranges:
S 1 V to 5 V, 4 mA to 20 mA
S Temperature sensor Pt xxx Standard and Climatic, Ni xx Standard and Climatic,
Cu 10 Standard and Climatic
S Thermocouple type E, N, J, K, L, S, R, B, C, T
Table 12-1 Measured Values in the Case of a Wire Break Depending on Diagnostic Being Enabled
Parameter Assignment
Format
S
S7 "Wire break" enabled (at
1 to 5 V, 4 to 20 mA,
1
RTD)
S
"Wire break check"
enabled
(in the case of TC)
S
"Wire break" disabled (at
1 to 5 V, 4 to 20 mA,
1
RTD)
S
"Overflow/underflow"
enabled
S
"Wire break" disabled (at
1 to 5 V, 4 to 20 mA,
1
RTD)
S
"Overflow/underflow"
disabled
S
"Wire break check"
disabled
(in the case of TC)
1
Measuring range limits for detecting the wire break/underflow:
1 to 5 V: at 0.296 V
4 to 20 mA: at 1.185 mA
12-4
Measured Values
Decimal Hexadec.
32767 7FFF
H
32767 7FFF
H
–32767 8000
H
–32767 8000
H
–––
–––
Description
S
"Open circuit" diagnostic
message
S
"Open circuit" diagnostic
message
S
Measured value after
leaving the underrange
S
"Lower limit value violated"
diagnostic message
S
Measured value after
leaving the underrange
S
Open input: undefined
measured value
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07