Table 85: "Channel" Parameters - WAGO -I/O-SYSTEM 750 Manual

98 Commissioning

Table 85: "Channel" Parameters

Selection box
Sensor type
(750-464/xxx-xxx)
Sensor type
(750-464/000-020)
Connection type
Watchdog Timer
Mean value filter
Process Data
Representation
Manual
Version 1.1.0
Possible settings
*)
Pt100 (IEC 751) , Ni100 (DIN 43760), Pt1000 (IEC
751), Pt500 (IEC 751), Pt200 (IEC 751), Ni1000 (DIN
43760), Ni120 (Minco), Ni1000 (TK 5000),
Potentiometer,
Resistance measurement 10 Ω ... 5000 Ω, Resistance
measurement 10 Ω ... 1200 Ω
*)
NTC 10 kΩ , NTC 20 kΩ,
NTC-Thermokon 10 kΩ
2-wire 2-wire connection technology
3-wire 3-wire connection technology
(not for 750-464/xxx-xxx in operating
mode "4-channel"
not for 750-464/000-020)
Off The Watchdog timer is not active. The
green LEDs illuminate continuously.
*)
On The Watchdog timer is active. If no
process data is exchange with the bus
coupler for 100 ms, the green LEDs go
out.
Off The mean value filter is switched off.
On The mean value filter is switched on. To
reduce the digital noise, the I/O module
uses a software-based mean value filter
(median filter). A resistance value is
assumed to be constant if the voltage
drop considered for the measurement
differs by less than the specific (very
small) value by the resistance applied in
the circuit. It is recommended to always
leave the mean value filter on for each
channel.
2nd Two's complement representation
complement
Amount/ Representation as an amount with
leading sign leading sign
WAGO-I/O-SYSTEM 750
750-464 2/4 AI RTD configurable