Cooper Security i-on 16 Guida di Installazione Scaricare il pdf (Pagina 8)

i-on40

Page 4

2

4

3

3

1

Figure 7 Keypad Rear Housing

1. Central keyhole.

2. Rear tamper shroud.

3. Cable entry.

4. Fixing holes.

1

4a

4b

3

4

6

2

5

4

3

2

ABCD-ON

ON

BRIGHT

BACKLIGHT

ET B A 12V 0V

Figure 8 Keypad PCB

1. Sounder.

2. Sounder volume control.

3. Tamper switch.

4. Jumpers for addressing and LED function:

4a Addressing

4b LED functions

5. RS485 termination jumper

6. Connector for control unit (note that the ET

terminals are inactive).

Power Availability

Before connecting any external devices to

the control unit, you must make sure that

the control unit can provide sufficient

current to power the system during a mains

failure for the time required to meet Grade

2 PD6662 or EN50131-1. The amount of

current available from the control unit

depends on the battery fitted. The current

taken by the control unit pcb and keypads

is given in Technical Specifications on page

22.

For example: in an alarm system with an i-

on40 control unit, two i-kp01 keypads, and

15 wired PIRs the system takes the

following total current:

Device Current

Control unit PCB 130mA

15 x PIRs at 20mA each 300mA

2 x i-kp01 at 30mA each

(backlights off)

60mA

Total 490mA

A fully charged 7Ah battery can provide

580mA for 12 hours.

In this example a 7Ah battery should

exceed the Grade 2 requirements.

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