Danfoss VLT HVAC Design Manual page 105

How to Install
1. Use a clamp from the accessory bag to connect
the screen to the frequency converter decoupling
plate for control cables.
See section entitled 5.7.3 Earthing of Screened/Armoured
Control Cables for the correct termination of control cables.
5 5
5.2.14 Switches S201, S202, and S801
Switches S201 (A53) and S202 (A54) are used to select a
current (0-20 mA) or a voltage (0 to 10 V) configuration of
the analog input terminals 53 and 54 respectively.
Switch S801 (BUS TER.) can be used to enable termination
on the RS-485 port (terminals 68 and 69).
See Illustration 5.23
Default setting:
S201 (A53) = OFF (voltage input)
S202 (A54) = OFF (voltage input)
S801 (Bus termination) = OFF
NOTE
It is recommended to only change switch position at
power off.
104
®
VLT HVAC Drive Design Guide
®
MG11BB02 - VLT is a registered Danfoss trademark