Emerson AC4 user manual 7.2Setup System - Overview, Setup System - Setup Inputs, Setup System Menu

System and Control Options

7.2Setup System - Overview

The Setup System screen displays six options that allow you to configure input and output devices, the common alarm, and a variety of system details, such as login password and system date and time:

•Setup Inputs

•Setup Common Alarm

•Setup Zones

	• Setup Outputs	Setup System Menu
	• Setup System Info
		> SETUP INPUTS
	• Setup Operation
			SETUP COMMON ALARM
7.3	Setup System - Setup Inputs		SETUP ZONES
			↑↓=NEXT	↵=SELECT
	The Liebert AC4 has four digital input points that may be configured		SETUP OUTPUTS
			SETUP SYSTEM INFO
	individually. These inputs may have a wide variety of Liebert or other		SETUP OPERATION
	manufacturers’ equipment connected.
	To configure a digital input:	Select Input Menu
			SELECT		INPUT
	Log In and Choose Setup System
		> DEVICE_1			NO-AL-NL
	• From the Main Menu, use the arrows ↑↓ to choose System and		DEVICE_2		NO-AL-NL
			↑↓=NEXT		↵=SELECT
	Control, then press Enter ↵ (see 7.1 Login for help).
			DEVICE_3 NO-AL-NL
	• Enter your password at the Login screen.
			DEVICE_4		NO-AL-NL

•From the System and Control Menu, use the arrows ↑↓ to choose Setup System, then press Enter ↵.

Select a Digital Input to Configure

•From the Setup System Menu, shown at right, use the arrows ↑↓ to choose Setup Inputs and press Enter ↵.

•From the Select Input Menu, choose an input—for example, Device_1—and press Enter ↵.

Table 13 shows the digital input features you may change, along with the default settings: you may change the name of the input, define it as normally open or closed, and specify it as alarmable or as an event.

•Alarmable inputs may be defined as either Unlatched or Latched.

•Event status allows you to monitor a digital input’s state—and use a change in state to initiate an action through an output, if desired—without triggering an alarm. Events are always Unlatched.

•You may also specify a time delay before the Liebert AC4 responds to an alarm or event.

Use the steps following Table 13 to change the default settings for any digital input.

Table 13 Default settings - digital inputs

Feature	Default	Other Options
LABEL	DEVICE_1	Any name (up to eight characters)
NORM OPEN/CLOSE	NO (Normally open)	NC (Normally closed)
ALARM/EVENT	AL (Alarmable)	EV (Event)
LATCHED	L (Latched) / Y (Yes)*	NL (Unlatched) / N (No)*
DELAY	00:01 (1 second)	Any time (in minutes and seconds) from 00:00 to 99:59

* NOTE: Different abbreviations are used to designate a digital input as Latched or Unlatched as shown below.

	Settings - Select Input Menu	When configuring an input
	(see Section 7.3)	(see Section 7.3.4)
Unlatched	NL (Not Latched)	N (No, not latched)
Latched	L (Latched)	Y (Yes, latched)

29 Liebert® AC4™