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Programmable Outputs; Terminals - Danfoss VLT MCB 115 Installation Manual

Programmable i/o
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VLT® Programmable I/O MCB 115
Installation Guide
Temperature range
Resolution [bits]
Sampling [Hz]
Maximum load
Impedance
-
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 2: Programmable Outputs
Used as digital output
Number of outputs
3
Terminal
X49/7–12
Voltage/current range
Accuracy
Resolution [bits]
Maximum load
Load impedance

3.4.1.3 Terminals

There are 3 inputs and 3 outputs on the option:
Inputs: X49/1+2, X49/3+4, and X49/5+6
Outputs: X49/7+8, X49/9+10, and X49/11+12
Danfoss A/S © 2020.08
Used as temperature sensor in-
put
-50 °C (-58 °F) to +150 °C
(+302 °F)
10
3
N O T I C E
Maximum voltage at low output: 4 V
Minimum voltage at high output: 20 V
Maximum output current: 24 mA
Used as analog voltage
input
10
Minimum 2
±28 V continuously
10 kΩ
Used as analog voltage output
3
X49/7–12
0–10 V DC
Better than ±1%
10
±28 V continuously
≥10 kΩ
AN295938195323en-000201 / 130R0655 | 11
Installation
Used as current input
10
Minimum 2
±29 mA continuously
200 Ω
Used as current output
3
X49/7–12
0–20 mA
Better than ±1%
10
±29 mA continuously
≤200 Ω

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