Nexus 21 A1557 technical specifications Iii Compatible Loop Devices and Panel Responses, 1XX

Models: A1557

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iiiCompatible Loop Devices and Panel Responses

The following table shows all devices compatible with the panel. It shows the panel’s response to events from each device type, and indicates the change in analogue value and input bits that will be displayed in the status mode. Note that some device types automatically receive cause effect outputs by default. Any such programming is indicated in the default cause and effect column.

Device type

Type

Condition

Panel response

Analogue Value

Status bits

Output bits

Default cause

Comments

 

Code

 

 

 

(210)

 

 

and effect

 

CEL sounder

1

Quiescent

None

AV = 16

000

0

= evacuate

Bit 0 set on

 

controller

 

Input 1 operated

Mode 1

AV = 64

000

1

= alert

evacuate

 

 

 

Input 2 operated

Mode 2

AV = 48

000

2

= relay

 

 

 

 

Input 3 operated

Remote fault

AV = 4

000

 

 

 

 

 

 

Circuit fault

Remote fault

AV = 4

000

 

 

 

 

CEL Loop

1

Quiescent

None

AV = 16

Echo

0

= evacuate

Bit 0 set on

 

powered sounder

 

Fault

Remote fault

AV = 4

output bits

1

= alert

evacuate

 

 

 

 

 

 

 

2

= not used

 

 

Series 90

1

Quiescent

None

AV = 16

Echo

0

= evacuate

Bit 0 set on

 

sounder/ sounder

 

Circuit fault or fault

Remote fault

AV = 4

output bits

1

= alert

evacuate

 

controller

 

input operated

 

 

 

2

= not used

 

 

XP95 sounder/

1

Quiescent

None

AV = 16

Echo

0

= evacuate

Bit 0 set on

 

sounder

 

Circuit fault

Remote fault

AV = 4

output bits

1

= alert

evacuate

 

controller

 

 

 

 

 

2

= not used

 

 

CEL I/O unit

2

Quiescent

None

AV = 16

000

0

= relay 1

 

 

 

 

Input 1 operated

Fire

AV = 64

000

1

= relay 2

 

 

 

 

Input 2 operated

Input

AV = 48

000

2

= relay 3

 

 

 

 

Input 3 operated or

Remote fault

AV = 4

000

 

 

 

 

 

 

power supply failed

 

 

 

 

 

 

 

Series 90 3-way

2

Quiescent

None

AV = 16

000

0

= relay 1

 

X means status

I/O unit

 

Input 1 operated

Fire

AV = 16

1XX

1

= relay 2

 

does not affect

 

 

Input 2 operated

Input

AV = 16

01X

2

= relay 3

 

panel status

 

 

Input 3 operated

Remote fault

AV = 16

001

 

 

 

 

Document Ref: Nex8inst.doc/Rev0 09.07.00

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Nexus 21 A1557 technical specifications Iii Compatible Loop Devices and Panel Responses, 1XX