Emerson Autochangeover Controllers AC8 - Manual (Page 14)

Introduction
6
1.8 LED Indicators
The AC8’s controller board has LED indicators that show the status of inputs, outputs and the com-
mon alarm, as well as the modem, SiteScan Web and EPOP connections.
Table 2 LED indicators summary
LED Type LED Color Description
EIA422
LEDs
422 TX Green AC8 is transmitting information over the EIA422 port
422 RX Green AC8 is receiving information over the EIA422 port
EPOP LED EPOP IN Red Indicates Emergency Power Operation is open or in alarm
Modem
LEDs
TX Green AC8 is transmitting information via the modem
RX Green AC8 is receiving information via the modem
DTR Green Indicates data terminal is ready (DTR)—lights up when modem is dialing
DCD Green Indicates data carrier is detected (DCD)—lights up when modem has connection
Output
LEDs
OUTPUT1 Green Indicates output is ON or energized
OUTPUT2 Green Indicates output is ON or energized
OUTPUT3 Green Indicates output is ON or energized
OUTPUT4 Green Indicates output is ON or energized
OUTPUT5 Green Indicates output is ON or energized
OUTPUT6 Green Indicates output is ON or energized
OUTPUT7 Green Indicates output is ON or energized
OUTPUT8 Green Indicates output is ON or energized
CTRLLOCK Green Indicates Control Relay 2 is ON or energized
SENLOCK Green Indicates Control Relay 1 is ON or energized
CMN ALR Green Indicates Common Alarm Relay is ON or energized
Status
LEDs
MOP Green
Indicates the microprocessor is operating properly (MOP)—must be on before AC8
will function
FPROG Green Indicates firmware is being upgraded—lights up during upgrade process
574 TX or 232 TX Green AC8 is transmitting information via the RS232 port
574 RX or 232 RX Green AC8 is receiving information via the RS232 port
485 RX Green Not used
485 TX Green Not used
Input
LEDs
INPUT1 Red Indicates input is ON or energized
INPUT2 Red Indicates input is ON or energized
INPUT3 Red Indicates input is ON or energized
INPUT4 Red Indicates input is ON or energized
INPUT5 Red Indicates input is ON or energized
INPUT6 Red Indicates input is ON or energized
INPUT7 Red Indicates input is ON or energized
INPUT8 Red Indicates input is ON or energized
CMN ALR
Common Alarm
SENLOCK
Control Relay 1
CTRLLOCK
Control Relay 2
DS50
DS49
DS68
EIA422
SiteScan Web
& EPOP
LEDs
MODEM
DS77 TX
DS76 RX
DS74 DTR
DS75 DCD
Modem LEDs
EIA422
SS Web
EPOP
OUTPUT1 DS56
DS54
DS63
DS61
DS60
DS62
DS55
DS57
DS59
DS58
DS53
DS52
MOP
F PROG
574 TX
574 RX
485 RX
485 TX
DS51
DS48
DS47
DS78
DS79
OUTPUT2
OUTPUT3
OUTPUT4
OUTPUT5
OUTPUT6
OUTPUT7
OUTPUT8
CTRLLOCK
SENLOCK
CMN ALR
INPUT1 DS69
DS71
DS72
DS70
DS67
DS66
DS65
DS64
INPUT2
INPUT3
INPUT4
INPUT5
INPUT6
INPUT7
INPUT8
BAR CODEBA
R C
OD
E
LIEBERT
BATTERY
LCD CONTRAST
VBATT
START
TB7:
24V INPUT
P23:
BATTERY
485
+ —
+ —
(TOP)
(BOTTOM)
422
RELAY
OUTPUTS
TB4:
(BOTTOM)
2
TB3, TB4, TB5
OUTPUT RELAY
RATINGS: 24V, 3A
CLASS 2 ONLY.
TB2:
CONTACT
INPUTS ASS
EPOP
EPOP INPUT
EPOP
P19
TB1
DIS EN
REV
PFM5
PFM2
(BOTTOM) (TOP)
4
3
2
1
8
7
6
5
(BOTTOM) (TOP)
4
3
2
1
8
7
6
5
J11: PHONE
PIN 3-TIP PIN 4-RING
MODEM
TB5: COMMON ALARM
RELAY OUTPUTS
BOTTOM
TOP
Q11
P11
+ LS1
ENABLE AUDIBLE
(TOP) NO C NC NO C NC
TB1: EPOP
CONTACT
INPUT
TB1, TB2 INPUTS:
DRY CONTACTS ONLY.
TB9: ANALOG
GROUND
AG
+ + — —
+ — + —
3-4 BOTTOM 1-2 TOP
ON
MODEM
CAN TX CAN RX DS83
DS84
1
ON ON
TP1 GND
S2
OFF
DIP
2 3 4 5 6 7 8 OUTPUT1 DS56 DS54 DS63
DS61 DS60
DS62 DS55 DS57
DS59
DS58
DS53
MOP F PROG 574 TX
574 RX
485 RX
485 TX
OUTPUT2 OUTPUT3 OUTPUT4
OUTPUT5 OUTPUT6 OUTPUT7 OUTPUT8
CTRLLOCK SENLOCK CMN ALR
INPUT1
DS70 DS67 DS66 DS65 DS64 R334
INPUT2 INPUT3 INPUT4
INPUT5 INPUT6 INPUT7 INPUT8 C71
NC
C
NO
NC
C
NO
Output LEDs
Status
LEDs
Input LEDs