Honeywell EXCEL 5000 OPEN ZAPP Manuale utente

U.S. Registered Trademark

1997 Honeywell Inc.

•

95-7554

Excel 10 FTT/LPT 209541 B

TERMINATION MODULE

BEFORE INSTALLATION

E-Bus Free Topology Transceiver (FTT)/Linked Power

Transceiver (LPT) networks require termination. Depending

on the network topology, one or more FTT/LPT Termination

Modules may be required, see Fig. 1. If an FTT Repeater

or a LPT device is required in the network, their on-board

terminators can be used in place of the 209541 B

Termination Module. Refer to the E-Bus Wiring Guidelines

form 74-2865, for complete rules on network topology and

termination module locations. Refer to the

Q7740A,B FTT

Repeater Installation Instructions

, form 95-7555, for

information on enabling the on-board network terminators.

FTT networks are very flexible and convenient for

installation and maintenance. However it is imperative to

carefully plan the network layout, and create and maintain

accurate layout documentation.

Fig. 1. 209541 B FTT/LPT Termination Module

INSTALLATION

The FTT/LPT Termination Module can be attached to the

network at a controller node (the easiest place); In a wall

module that is attached to standard utility junction box (the

module will not fit in a 60 mm junction box); At a wiring

junction (using wire nuts). See Fig. 6 when connecting two

wires at a controller or wall module terminal. If the

termination module must be located at a surface mounted

wall module, and does not fit inside the wall module

housing, extend a pair of E-Bus wires from the wall module

back to the nearest junction box or controller, and wire in

the termination module. The module has three lead wires,

but only two are attached to the E-Bus network .To install

the termination module, connect the brown and yellow

wires to the E-Bus when the network requires single

termination; connect the brown and orange to the E-Bus

when the network requires double termination

. In either

case, always cover the unused wire with a wire nut to

prevent potential grounding problems. As with other E-Bus

connections, polarity is not important. Fig. 2 shows the

module attached to typical FTT/LPT network topologies for

single termination

Fig. 2. FTT/LPT termination module wiring for

single

termination

network topologies

E-BUS

BROWN

YELLOW

ORANGE

M12200

E-BUS

BROWN

ORANGE

YELLOW

M12201

1/2

(13)

EXCEL 10 FTT/LPT 209541 B TERMINATION MODULE

Fig. 3 shows the physical connection of the module for a

single termination network. Fig. 4 shows the modules

attached to a typical FTT/LPT network for a

double

termination

. Fig. 5 shows the physical connection of the

modules for a double termination network. Double

termination is only applicable when a network is wired in a

daisy-chain topology and the total wire length is greater

than 1640 ft (500m). Refer to the E-Bus Wiring Guidelines

form 74-2865, for complete rules on network topology and

termination module locations.

Fig. 3. Physical connection of module for a

single

termination

network

Fig. 4. FTT/LPT termination module wiring for

double

termination

network topology

Fig. 5. Physical connection of modules for a

double

termination

network

1. STRIP 1/2 IN. (13 MM) FROM WIRES

2. TWIST WIRES TOGETHER

TO BE ATTACHED AT ONE TERMINAL. WITH PLIERS (A MINIMUM

OF THREE TURNS).

3. CUT TWISTED END OF WIRES TO 3/16 IN. (5 MM)

BEFORE INSERTING INTO TERMINAL AND TIGHTENING

SCREW. THEN PULL ON EACH WIRE IN ALL TERMINALS

TO CHECK FOR GOOD MECHANICAL CONNECTION.

M8945

Fig. 6. Attaching two wires at controller or wall module terminals.

NOTE: The termination module is outside of the scope of the EMC directive and therefore does not require CE marking. This is

because the termination module is an RC filter (with only passive components.

Home and Building Control Home and Building Control

Home and Building Control Products

Honeywell Inc.

Honeywell Limited-Honeywell Limitee

Honeywell AG

Honeywell Plaza 155 Gordon Baker Road

Boblinger Stra

e 17

P.O. Box 524 North York, Ontario D-71101 Schomaich

Minneapolis, MN 55408-0524

M2H 3N7 Phone (49-7031) 637-01

Fax (49-07031) 637-493

95-7554 J.D. 3-97

Printed in Mexico

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