Emerson Autochangeover Controllers AC8 - Manual (Page 81)

System and Control Options
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7.11 Setup System - Setup I/O Matrix
The Setup I/O Matrix menu allows you to configure the AC8’s digital and analog inputs to trigger var-
ious actions in either or both of the two control relays. Each relay can be set up to respond to more
than one digital or analog input.
Almost any mapping combination can be used. For example, you may decide to trigger an action in
Control Relay 1 when Device_1 goes into alarm, or you might want to generate an action in Control
Relay 2 when Sensor_1 High Setpoint goes into alarm.
To set up the mapping of inputs to relays:
Log In and Choose Setup System
• From the Main Menu, use the arrows ↑↓ to choose System and
Control, then press Enter ↵ (see 7.1 - Login for help) .
• Enter your password at the Login screen.
• From the System and Control Menu, use the arrows
↑↓ to choose
Setup System, then press Enter ↵ .
Select Setup I/O Matrix
• From the Setup System Menu, shown at right, use the arrows ↑↓ to
choose Setup I/O Matrix and press Enter ↵ .
• Use the following instructions to set up the mapping of each digital input or analog sensor input
to each relay.
7.11.1 Set Up Mapping for a Digital Input
• Use the arrows ↑↓ to choose Map Input To Relay from the Map
Input/Sensor Menu, and press Enter ↵ .
• From the Select Input Menu, choose the input you want—for exam-
ple, Device_1—and press Enter ↵ .
• On the Input-to-Relay Map screen, you may map the selected input
to either or both of the control relays (1-2). The example at right
shows Device_1 mapped to Control Relay 1.
To make changes to the mapping:
• If needed, press Enter ↵ to advance to the position directly
below the relay.
• Use the arrows ↑↓ to choose Y (Yes - Mapped to this relay) or
N (No - Not mapped), then press Enter ↵ .
• Press Enter ↵ to advance to the next position where you want
to make a change.
• Use the arrows ↑↓ to choose Y (Yes - Mapped to this relay) or
N (No - Not mapped), then press Enter ↵ .
• When finished, press Enter ↵ again.
Default Mappings - Digital Inputs to Control Relays
By default, digital inputs are not mapped to any control relay, as shown
in Table 30.
Table 30
Default mapping of digital inputs to relays
Digital input By default, mapped to control relay:
Device_1 (none)
Device_2 (none)
Device_3 (none)
Device_4 (none)
Device_5 (none)
Device_6 (none)
Device_7 (none)
Device_8 (none)
Setup System Menu
SETUP INPUTS
SETUP COMMON ALARM
SETUP SENSOR
↑↓
=NEXT
↵
=SELECT
SETUP ZONES
SETUP OUTPUTS
SETUP MODEM&PAGERS
SETUP SYSTEM INFO
SETUP OPERATION
> SETUP I/O MATRIX
Map Input/Sensor Menu
> MAP INPUT TO RELAY
MAP SENSOR TO RELAY
↑↓
=NEXT
↵
=SELECT
Select Input
SELECT INPUT
> DEVICE_1
DEVICE_2
↑↓
=NEXT
↵
=SELECT
DEVICE_3
DEVICE_4
DEVICE_5
DEVICE_6
DEVICE_7
DEVICE_8
Input-to-Relay Map
1 CONTROL RELAY
1 2
Y N
↑↓
=Y/N
↵
=NEXT/END