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F3200 Installation & Programming Manual Document No: LT0122

Applications

Page 9-20 5 July 2001 Issue 2.7

9.3.2 CONNECTION

There are various connection possibilities depending on the particular local requirements for

Standby and Isolate, and the loop resistance. One or two AZCs may be required.

Where Standby is required as a separate signal at the Main FIP it can be signalled as Alarm

on a second AZC and the corresponding zone programmed as non-MAF, non-Anc1, etc.

Isolate could be signalled as "Fault" on the same AZC (ref Fig 9.3.1 and Fig 9.3.2).

The Main FIP Brigade Standby and Isolate relays could be reprogrammed to include the

"standby" zone "alarm" and "fault" conditions, or separate module relays could be

programmed to operate on the zone "alarm" and "fault" conditions. These would then be

connected to the Brigade transmitting device in series/parallel with the Standby and Isolate

contacts of the MAF Brigade relays as appropriate.

Note that the EOL required depends on the mode programmed for the AZC.

FAULT (NC) ┌──┐

┌─────────o──o────┬──────┤ │+

┌┴┐ o └──┘

EOL│ │ / ALARM AZC1

└┬┘ o (NO) ┌──┐

└─────────────────┴──────┤ │-

└──┘

ISOLATE (NC) ┌──┐

┌─────────o──o────┬──────┤ │+

┌┴┐ o └──┘

EOL│ │ / STANDBY AZC2

└┬┘ o (NC) ┌──┐

└─────────────────┴──────┤ │-

└──┘

FIG 9.3.1

EXAMPLE OF SUB-FIP MONITORING USING 2 AZCS

FAULT ISOLATE STANDBY ┌──┐

┌─────────o──o───────o──o───────o──o──────┬───────┤ │+

┌┴┐ (NC) (NC) (NO) o └──┘

EOL│ │ / ALARM AZCn

└┬┘ o (NO) ┌──┐

└─────────────────────────────────────────┴───────┤ │-

└──┘

Fault, Isolate and Standby are all represented by ZnF in the Main FIP.

FIG 9.3.2

EXAMPLE OF SUB-FIP MONITORING USING 1 AZC

1 2 ... 185 186 187 188 189 190 191 192 193 194 195 ... 283 284

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