Lenze I/O system 1000 System Manual - Manual (Page 155)

Product description
I/O compound modules − temperature measurement
Two analog inputs for thermocouple measurement − EPM−S405
3
l
155 EDSIO1000 EN 7.0
EPM−S405: Rated data
Thermocouple inputs
Thermocouple ranges Types B, C, E, J, K, L, N, R, S, T
Operational error limit With interference frequency suppression:
Types E, L, T, J, K, N:
± 1.5 K
Types B, C, R, S: ± 4.0 K
Without interference frequency suppression:
Types E, L, T, J, K, N:
± 2.5 K
Types B, C, R, S: ± 8.0 K
Basic error limit With interference frequency suppression:
Types E, L, T, J, K, N:
± 1.0 K
Types B, C, R, S: ± 3.0 K
Without interference frequency suppression:
Types E, L, T, J, K, N:
± 2.0 K
Types B, C, R, S: ± 7.0 K
Measuring principle Sigma−delta
Resolution 16 bits
Basic conversion time 4.2 ... 324.1 ms (50 Hz) per channel
3.8 ... 270.5 ms (60 Hz) per channel
Interference voltage suppression for a
frequency of > 90 dB at 50 Hz (UCM < 10 V)
Temperature error
(relating to input range) ± 0.001 %/K
Linearity distortion
(relating to input range) ± 0.005 %
Repeat accuracy (in steady−state vibration at
25°C, relating to the input range) ± 0.05 %
Temperature error of the internal
compensation ± 0.2 %
Temperature compensation
parameterisable Yes
external Yes
internal Yes
Input data size 4 bytes
Status, alarm, diagnostics
Status display Yes
Alarms Yes
Process alarm Yes, parameterisable
Diagnostic alarm Yes, parameterisable
Diagnostic function Yes
Diagnostic information can be read out Possible
Module status Green LED
Module error display Red LED
Channel error display Red LEDs per channel
Electrical isolation
Between the channels and the backplane
bus Yes
Between the channels and the voltage
supply Yes
Max. potential difference between inputs
(U
cm
)
DC 140 V / AC 60 V
Max. potential difference between inputs
and M
internal
(U
iso
)
DC 75 V / AC 60 V
Insulation checked with DC 500 V