Siemens Simantic ET 200S - Page 224

Analog electronic modules
4.18 2AI RTD High Feature analog electronic module (6ES7134-4NB01-0AB0)
ET 200S
4-94 Manual, Edition 10/2005, A5E00514527-01
Repeatability
(in steady state at 25 °C with reference to
input range)
± 0.05 %
Overall error limits using internal
compensation
• Operational limit (in the entire
temperature range with a static, thermal
state, ambient temperature change < 0.3
K/min)
2
± 2.5 K
• Basic error limit (operational limit at
25 °C with a static, thermal state,
ambient temperature change < 0.3
K/min)
3
± 1.5 K
Data for selecting a sensor
Input range (rated value)/input resistance
• Voltage
± 80m V/min. 1 MΩ
• Thermocouple
Type E, N, J, K, L, S, R, B, T, C/min. 1 MΩ
Permitted input voltage (destruction limit) ± 20 V, continuous
Connection of the sensors
• For measuring voltage
supported
Characteristic curve linearization Yes, can be assigned parameters for type E, N, J, K, L,
S, R, B, T, C as per IEC 584
Temperature compensation
• Internal temperature compensation
Possible with TM-E15S24-ATTM-E15C24-AT
• External temperature compensation by
looping a compensating box into the
measuring circuit
Possible, one external compensating box per channel
Smoothing of the measured values Yes, can be assigned parameters in 4 steps by means
of digital filtering
Step
None
Weak
Medium
Strong
Time constant
1 x cycle time
4 x cycle time
32 x cycle time
64 x cycle time
1
The specified error limits apply starting with the following temperatures:
• Thermocouple Type T: -200 °C
• Thermocouple type K: -100 °C
• Thermocouple Type B: +700 °C
• Thermocouple type N: -150 °C
• Thermocouple type E: -150 °C
• Thermocouple Type R: +200 °C
• Thermocouple Type S: +100 °C
2
In the case of thermocouple type C: ± 8 K
3
In the case of thermocouple type C: ± 6 K