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© 2022 All rights reserved. Data subject to change without notice.
FCS - Operation Manual
Rev. C | 2022.02
For the last input channel, choose 229 to indicate that this and all higher analog input
channels are not being used.
NOTE:
Modbus® ID 1 or 2 reserved for the internal analog boards and are strictly 4-20 mA.
When selected, you will not be able to change the Type field, it will automatically populate
with 4-20 mA.
NOTE:
Every digital device in the system must have a unique Modbus ID. Choose a number
that hasn’t yet been assigned to another device in the system. The number entered here
must match the Modbus ID number of the actual device.
AI Channel:
Choose the channel (1 to 4) you are enabling or disabling on the analog input
device.
NOTE:
Each internal -AI Option has four 4-20 mA analog input channels. Each LNK-AI
peripheral device has four 4-20 mA analog input channels.
Enable/Disable:
Select Enable or Disable for the chosen channel.
Press Save to save the changes.
9.2 Enable / Disable Analog Outputs, Assign Modbus ID & Channel
Number and Type
These settings allow you to enable or disable each analog output, specify the Modbus® ID
number for each analog output. Using these settings, the FCS can signal devices such as a
data / trend / logging system or a BAS or DDC or VFDs that are connected to the internal -AO
Option(s) and/or the LNK-AO peripheral device(s) and associated analog output channels.
VFDs can be driven as an analog 4-20 mA or Modbus® connection. The VFD Configuration
screen is for Modbus® VFD configuration. Configuring 4-20 mA VFDs is done the same was
as any other 4-20 mA analog output. The FCS has been designed to work with the Lenze AC
Tech and the ABB ACH 550 VFD product lines.
Press Menu and enter passcode “3032” to enter the Config Analog IO menu. Select Analog
Output Hardware.