II - DCE FEL ČVUT v Praze

SIMATIC S7 Ex Analog Modules
Interrupts, Diagnostics
Interrupts
Limit interrupt Configurable
channels 0 and 2
Diagnostic interrupt configurable
Diagnostic functions configurable
Group fault indication red LED (SF)
Channel fault indication red LED (F)
per channel
Diagnostic information
readout
possible
Data for sensor selection
Input ranges (rated values) /
input resistance
Voltage 25 mV
50 mV
80 mV
250 mV
500 mV
1 V
Resistance 150 Ω
300 Ω
600 Ω
Thermocouples Type:
T, U, E, J, L,
K, N, R, S, B
Resistance thermometer Pt 100,
Pt 200,
Ni 100
Measuring current for thermal
resistors and wire break
testing
Permissible input voltage for
voltage input (destruction
limit)
3-62
approx.
0.5 mA
/10 MΩ
/10 MΩ
/10 MΩ
/10 MΩ
/10 MΩ
/10 MΩ
/10 ΜΩ
/10 ΜΩ
/10 ΜΩ
/10 ΜΩ
/10 ΜΩ
max. 35 V permanent;
75 V for max. 1 s
(pulse duty factor 1:10)
Signal generator connection
for voltage measurement possible
for resistance
measurement with 4-wire
connection with 3-wire
connection1) with 2-wire
connection 1)
possible
Characteristic linearization configurable
for thermocouples Type: T, U, E, J, L, K,
N, R, S, B
for thermal resistors Pt 100, Pt 200, Ni 100
(standard and climatic
range)
Data for sensor selection, continued
Temperature compensation configurable
Internal temperature
compensation
possible
External temperature
compensation with
compensation box
possible
External temperature
compensation with
thermal resistors (e.g.
Pt100)
possible
Compensation for 0 C
reference junction
temperature
possible
Compensation for 50 C
reference junction
temperature
possible
1) Without line resistance correction
I/O Modules with Intrinsically-Safe Signals
C79000-G7076-C152-04