Emerson AC4 Manuale Utente

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Introduction
3
Liebert
®
 AC4
1.5
Typical Configuration
Figure 3 shows an example of external devices connected to the Liebert AC4 controller board. There 
may be up to four devices connected to the four digital inputs and four digital outputs. Remote access 
is available through the Service Terminal Interface.
Figure 3
Typical Configuration
DEVICES CONNECTED
TO INPUTS & OUTPUTS
RS232
Liebert 
Challenger 
3000
Liebert 
Himod
Liebert 
Challenger 
3000
Liebert 
Himod
Zone 1 Devices
Device 1
Device 2
Zone 2 Devices
Device 3
Device 4