Emerson MC68HC16Z1 ユーザーズマニュアル

The Liqui-tect panel’s controller board has LED indicators that show the status of inputs, outputs and 

other board components.

Power On/Off LED
Pwr On

Green

Indicates whether power is connected 

Zone 1 & 2 Alarm Outputs LEDs
K1 – Zone 1 Leak Detected

Green

Indicates leak detected for Zone 1

K2 – Zone 1 Cable Break

Green

Indicates cable problem for Zone 1

K3 – Zone 2 Leak Detected

Green

Indicates leak detected for Zone 2

K4 – Zone 2 Cable Break

Green

Indicates cable problem for Zone 2

Status LEDs
LEDO

Green

Indicates the panel is working properly – will flash slowly when working

Fault

Red

Indicates an alarm is present

Reset

Red

Indicates the panel is being reset

RS232 LEDs
RS232 TX

Green

Liqui-tect panel is transmitting information via the RS232 port

RS232 RX

Green

Liqui-tect panel is receiving information via the RS232 port

RS422 LEDs
RS422 TX

Green

Liqui-tect panel is transmitting information over the RS422 port

RS422 RX

Green

Liqui-tect panel is receiving information over the RS422 port

RS485 LEDs
RS485 TX

Green

Not presently used

RS485 RS

Green

Not presently used

ON

TB3

C28

R16

R17

R18

DS3

DS4

DS5

K1

K2

K4

K5

TX RX

A

1

SW2

SW1

R4

O N

2

3

4

5

6

7

8

1

O N

2

R1

R40

R44

DS7

DS8

R38

C26

C27

C40

C33

U15

U23

C32

U22

C46

U29

U24

U24

U16

DS1

Pwr On

24V Pow

LCD Interlface

3

4

5

6

7

8

Fault

LEDO

DS6

Reset

TB2

R16

R17

R18

R15

DS3

DS4

DS5

DS2

K1

K2

K3

K4

R40

R44

DS7

DS8

R38

Fault

LEDO

DS6

Reset

R82

R81

DS13

DS14

RX TX

DS9

R77

R80

DS11

R79

DS10

R78

DS12

TX RX

RX

TX