12 universal inputs U1...U12 with the following functions
Temperature measurement, analog
-40...115 °C (-52.5...155 °C)
-48...239 °F (-62.5...311 °F)
-40...125 °C (-52.5...155 °C)
-48...257 °F (-62.5...311 °F)
-50...600 °C (-52.5...610 °C)
-58...1112 °F (-62.5...1130 °F)
-50...180 °C (-52.5...185 °C)
-58...356 °F (-62.5...365 °F)
Resistance sensor, analog
AI 1000-1175 Ohm *) for setpoint shift
1000...1175 Ω (900...1295 Ω)
*) A fixed value of 1 Ω is calibrated to correct line resistance.
Voltage measurement, analog
Open connection: Negative voltage -1.5 V (line failure detection)
Current measurement, analog (only inputs U1, U2, U7, U8)
4...20 mA (1.6...22.4 mA)
1 mA; 6 mA initial current
Contact resistance for closed contacts
Contact resistance for open contacts
Counter memory (counter inputs
0 ... 4.3 x 10
9
(32-bit counter)
Min. closing/operating time [ms]
including bounces
Of which
Max. bounce time [ms]
Max. counter frequency
(symmetrical)