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External Temperature Sensors*
Range, Resolution, Accuracy
-30°C to 150°C, 0.02°C,
0.3°C
Internal Temperature Sensor*
Range, Resolution, Accuracy
-40 to 125°C, 0.01°C,
0.3°C
Internal Pressure Sensor
Range, Resolution, Accuracy
300 to 1100 mbar, 0.06 mbar, typ.
3 mbar
Internal Humidity Sensor
Range, Resolution, Accuracy
0 to 100% rel. humidity (RH),
0.04% RH, typ.
0.2% RH
Analog Input (1 channel)
at extension port X1
0 to 2.5 VDC, 12 bit resolution
Note: slight non-linearities around 0..5mV
Analog Output (4 channels)
at extension port X2
0 to 2.5 VDC, 14 bit resolution
Note: slight non-linearities around 0..5mV
Connector plug
for extension port X1
Phoenix Contact
item no. 1778887
Connector plug
for extension port X2
Phoenix Contact
item no. 1778861
Digital interface
at extension port X1
UART with 3.3V levels
(5V tolerant)
19200 baud, 8 data bit, 1 stop bit,
no parity, no handshake
*Please note, that the oxygen sensors have a different temperature range (typ. 0-
50°C specified, -20°C to 70°C not specified).
