Programmable Outputs - Danfoss VLT MCB 115 Installation Manual

Installation Guide | VLT® Programmable I/O MCB 115
Temperature sensor (1000 Ω at 0 °C
(32 °F)
Accuracy
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 3: Programmable Outputs
Used as digital output
Number of outputs 3
Terminal X49/7–12
Voltage/current range •
•
•
Accuracy –
Resolution [bits] –
Maximum load –
Load impedance –
12 | Danfoss A/S © 2020.01
Used as temperature sensor
input
Ni1000 (according to DIN 43760)
Pt1000 (according to IEC 60751)
-50 °C ±1 Kelvin
+150 °C ±2 Kelvins
-50 °C (-58 °F) to +150 °C
(+302 °F)
10
3
–
–
Maximum voltage at low output: 4 V
Minimum voltage at high output: 20 V
Maximum output current: 24 mA
Used as analog voltage
input
–
–
Better than 1% of full scale
–
10
Minimum 2
±28 V continuously
10 kΩ
N O T I C E
Used as analog voltage output
3
X49/7–12
0–10 V DC
Better than ±1%
10
±28 V continuously
≥10 kΩ
Installation
Used as current input
–
–
Better than 1% of full
scale
–
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
AN295938195323en-000101 / 130R0655