130 Commissioning
WAGO-I/O-SYSTEM 750
750-489 4AI RTD/TC/Strain Gauge Ex i
Manual
Version 1.1.0, valid from FW Version 02
Table 142: Menu Items “Channel 1” ... “Channel 4”
Parameter
Setting Option / Description
Signal type
This parameter can be used to set the signal type or
disable the channel.
Channel deactivated The channel is switched off.
0x7FFF is delivered as
process value.
RTD 2-wire
This channel operates using
2-wire connection technology.
RTD 3-wire
*)
This channel operates using
3-wire connection technology.
RTD 4-wire
This channel operates using
4-wire connection technology.
Resistance
This channel operates using
2-wire connection technology.
Exception: Potentiometer
(operates using 3-wire
connection technology)
Thermocouple
This channel operates using
2-wire connection technology.
Voltage
This channel operates using
2-wire connection technology.
Sensor type / Measuring
range
This parameter can be used to set the sensor type or
measuring range. The selection of the sensor
type/measuring range is dependent on the signal type
setting.
Pt100
*)
, Pt200, Pt500,
Pt1000, Ni100, Ni120,
Ni200, Ni500, Ni1000,
Ni1000 - TK5000
Only available if “RTD 2-wire,”
“RTD 3-wire” or “RTD 4-wire”
was selected as the signal
type
0-
250 Ω, 0
-
500 Ω,
0-
1 kΩ, 0
-
2 kΩ,
0-
4 kΩ, PTC,
Potentiometer
Only available if “Resistance”
was selected as the signal
type
Type B, Type C,
Type E, Type J,
Type K, Type N,
Type R, Type S,
Type T
Only available if
“Thermocouple” was selected
as the signal type
±30 mV, ±60 mV,
±120 mV, ±250 mV,
±500 mV, ±1000 mV,
±2000 mV,
SG - U
ref
: 2.4 V
1)
,
SG - U
d
: ±15 mV
2)
,
SG - U
d
: ±30 mV
2)
,
SG - U
d
: ±60 mV
2)
Only available if “Voltage” was
selected as the signal type
