Used as temperature sensor
input
Used as analog voltage
input
Used as current input
Temperature sensor (1000 Ω at 0 °C
(32 °F)
Ni1000 (according to DIN 43760)
–
–
Pt1000 (according to IEC 60751)
–
–
Accuracy
-50 °C ±1 Kelvin
+150 °C ±2 Kelvins
Better than 1% of full scale
Better than 1% of full
scale
Temperature range
-50 °C (-58 °F) to +150 °C
(+302 °F)
–
–
Resolution [bits]
10
10
10
Sampling [Hz]
3
Minimum 2
Minimum 2
Maximum load
–
±28 V continuously
±29 mA continuously
Impedance
–
10 kΩ
200 Ω
NOTICE
-
Maximum cable length for temperature sensors is 50 m (164 ft) non-shielded/non-twisted wires.
-
Keep cable impedance low as every 3.85 Ω in cables gives a misreading of 1 Kelvin.
3.4.1.2 Programmable Outputs
The 3 programmable outputs can work as:
•
analog voltage outputs.
•
analog current outputs.
•
digital outputs.
Table 3: Programmable Outputs
Used as digital output
Used as analog voltage output
Used as current output
Number of outputs
3
3
3
Terminal
X49/7–12
X49/7–12
X49/7–12
Voltage/current range
•
Maximum voltage at low output: 4 V
•
Minimum voltage at high output: 20 V
•
Maximum output current: 24 mA
0–10 V DC
0–20 mA
Accuracy
–
Better than ±1%
Better than ±1%
Resolution [bits]
–
10
10
Maximum load
–
±28 V continuously
±29 mA continuously
Load impedance
–
≥10 kΩ
≤200 Ω
Installation
Installation Guide | VLT® Programmable I/O MCB 115
AN295938195323en-000101 / 130R0655
12 | Danfoss A/S © 2020.01
Summary of Contents for VLT MCB 115
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