Minimizing Noise; Inputs - Danfoss VLT MCD 600 Installation Manual

Installation Guide | Pumping Smart Card
Active and passive sensors can be used in the same installation.

4.4 Minimizing Noise

To minimize noise when using the analog 4–20 mA inputs, use twisted pair wiring.

4.5 Inputs

1
C44 C43
USB
DIGITAL INPUTS
Illustration 2: Location of Inputs
Table 1: Legend to Location of Inputs
Number Function
1 Reset input
2 Digital inputs (normally open)
3 RTD/PT100 input
4 4–20 mA inputs
Danfoss A/S © 2018.10
3
2
4
C34 C33 C24 C23 C14 C13 R3 R2 R1 B34 B33 B24
RTD 4/20mA INPUTS
Terminals
RESET, COM+
C13, C14
C23, C24
C33, C34
C43, C44
R1, R2, R3
B13, B14 [+]
B23, B24 [+]
B33, B34 [+]
B23 B14 B13
Keypad
Description
If the reset input is active, the soft starter does not operate. If a reset
switch is not required, fit a link across terminals RESET, COM+ on the
soft starter. The reset input is normally closed by default.
Depth protection
Flow protection and monitoring
Low-pressure protection
High-pressure protection
Motor temperature protection
Depth protection and monitoring
Pressure protection and monitoring/pressure or depth-based control
Flow protection and monitoring
Installation
AN279052730268en-000102 / 175R1183 | 9