TAMAGAWA TS5667N420 TS5667N420 TS5667N420 TS5667N420 TS5667N420 TS5667N420

TS5667N420

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TS3166N43

TS3212N32

TS3214N12

TS3214N13

TS3214N15

TS3214N16

TS3214N44

TS3218

TS3218N42

TS3218N5

TS3250E12

TS3275N125

TS3153N15E18

TS3602N213E8

TS3602N233E8

TS3602N31E8

TS3617N1E1

TS3617N1E2

TS3617N11E1

TS3617N1E3

TS3617N2E4

TS3617N2E5

TS3617N2E6

TS3617N2E7

TS3617N3E10

TS3617N3E8

TS3617N13E8

TS3617N376

TS3617N381

TS3617N3E9

TS3617N13E9

TS3617N40E3

TS3617N47E4

TS3624N1E1

TS3624N21E1

TS3624N21E2

TS3624N1E2

TS3624N102E4

TS3624N103E5

TS3624N203E5

TS3624N22E4

TS3624N23E5

TS3624N2E3

TS3624N2E4

TS3624N3E5

TS3624N3E6

TS3630N1303E9

TS3630N1309E5

TS3630N1306

TS3630N1E1

TS3630N1E2

TS3630N2E3

TS3630N2E4

TS3630N3E5

TS3630N101E2

TS3630N102E4

TS3630N22E3

TS3630N22E4

TS3631N1E1

TS3636N6

TS3641N1E1

TS3641N21E6

TS3641N22E7

TS3641N2E3

TS3641N12E3

TS3641N32

TS3641N38

TS3643N2

TS3643N212E5

TS3643N233E8

TS3653N11E2

TS3653N12E5

TS3653N13E8

TS3653N1E1

TS3653N1E2

TS3653N2E4

TS3653N2E5

TS3653N2E6

If the module does not receive any data from data record 2 within
5 minutes of startup, a reference channel fault is reported in the standard channel
diagnostics data. If enabled, a diagnostic interrupt is sent.
The module features time monitoring (watchdog) set to 5 minutes, which is reset when a new
compensation value is received via data record 2. If the module does not receive any data
from data record 2 within the 5 minute interval set for the time-monitoring function in normal
operation, a reference channel fault is reported in the standard channel diagnostics data. If
enabled, a diagnostic interrupt is sent.
Internal calibration while the process is running
The module can compensate most of the internal temperature-drift errors. Internal calibration
while the process is running is always executed after startup, when parameters are
reassigned, and when the power is switched on/off. Once the relevant parameters have
been activated, internal calibration while the process is running is also performed if the
ambient temperature at the module changes by 5 degrees Celsius. Enabling calibration while
the process is running interrupts the module I/O cycle until calibration is complete. The
duration of the interruption depends on the programmed interference frequency; see the
table below for information about this relationship.
Analog modules
6.11 An
Calibration while the process is running should be activated to ensure measuring accuracy
over a long period of time. Some applications do not permit an interruption of the I/O cycle.
In such cases, you can disable the parameter for calibration while the process is running,
although this will result in less accurate measurements over time. The parameter for
calibration is activated as standard while the process is running.
f the reference junction
If the measuring point is exposed to a different temperature than the free ends of the
thermocouple (connection point), a voltage known as the thermoelectric voltage arises
between the free ends.
The level of the thermoelectric voltage depends on the difference between the temperature
at the measuring point and that at the free ends, as well as on the type of materials
combined in the thermocouple. Because a thermocouple always detects any temperature
difference, the free ends at the reference junction must be maintained at a certain
temperature to determine the temperature at the measuring point.
The reference-junction temperature can also be measured via an external module and
transferred to the AI 6 x TC isolated module by means of SFC 58 in data record 2 (DR2).
The permitted reference temperature corresponds to the Pt100 climatic temperature range
for platinum thermoresistors.

The Kelvin measurement is only limited to 327.6 if the reference temperature is output in
technical units. If the reference temperature is reported in standard units, the Kelvin
measurement limit is 428.2 K.
If a reference value above the permitted temperature limit is received in DR2, it will cause a
reference channel fault, which is displayed in the standard channel diagnostic data. If
enabled, a diagnostic interrupt is sent.
Note
If an analog input module such as AI 8 x thermoresistor is used to measure the referencejunction
temperature, the thermoresistor module parameters for the output structure and the
measuring accuracy must be represented by bytes 0 and 1 in data record 2. This is shown in
the figure "Structure of data record 2 for SM 331; AI 6 x TC". If the external thermoresistor
module does not provide correct information about data structure and scaling, it will lead to
inaccurate measurements being output by the isolated SM 331; AI 6 x TC module