Legrand HUSM8SS Universal Switch Interface Module Installation guide

Wattstopper

Universal Switch Interface Module for Lighting Integrator

Installation Instructions • Instructions d’Installation • Instrucciones de Instalación

No: 25276 – 12/16 rev. 1

Catalog Number • Numéro de Catalogue • Número de Catálogo: HUSM8SS

Country of Origin: Made in China • Pays d’origine: Fabriqué en Chine • País de origen: Hecho en China

DESCRIPTION

Introduction

The Universal Switch Interface Module (USM) is used to connect conventional,

non-dataline switches to a Lighting Integrator panel fitted with an Automation Card.

The USM emulates a dataline switch, allowing any standard switch or other dry

contact closure device to control relays in an LI network.

Any standard 2- or 3-wire switch may be wired to each of eight inputs of the

HUSM8SS (USM). The USM converts conventional switch open/close conditions to

digital signals and transmits them over twisted pair wiring to the Automation Card

for processing. Each input terminal on the USM operates just like the button of a

Dataline Switch. Each input can be smartwired to control any relay, group of relays

or channel in any panel on the LI panel network. Smartwiring is a Wattstopper

innovation that simplifies wiring and programming by using a short sequence

of simple push button presses at the panel, the Network Clock (HCLK8SS),

Automation Appliance (AA-BASE) or WinControl software, to assign a switch to a

relay or group of relays.

Features

• Imitates the function of an 8-button dataline switch, connecting up to eight

smartwired groups.

• Each of eight inputs accepts any 2- or 3-wire switch input or contact closure.

• 2-wire status output for each of the eight groups.

• Bi-color status LED for each group.

• Push button override toggles each group On/Off.

• Choice of connections for ease of wiring to any panel in the network.

• On/Off or Pattern group control.

• Eliminates the need for multiple home runs when standard switches are

desired on a Lighting Integrator panel network.

Before proceeding, read the instructions on the following pages. For

an overview of the Lighting Integrator panel system and its simple

documentation forms, refer to the other sections of the LIGHTING

INTEGRATOR PANEL INSTALLATION INSTRUCTIONS.

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Figure 1 – Lighting Integrator Network with USM (HUSM8SS)

OPERATION

In a Lighting Integrator panel system, relays with their associated lighting loads may be “smartwired”— or grouped for common control

— to a channel in the panel. A relay or channel of relays may be controlled by a digital signaling switch such as a Wattstopper Dataline

Switch. A standard switch wired to an input of the USM gives it the same functionality as a Dataline Switch button. A standard switch

wired to one of the USM input terminals can be smartwired to control any relay or relay channel in any panel on the network, or any

channel across the network.

WIRING

Up to 63 dataline devices can be connected to each panel. The USM counts as one dataline device, even though it contains 8 inputs.

Likewise, each Dataline Switch counts as one device, regardless of how many buttons it contains.

Lighting Integrator panel networks are based on LonWorks

technology. The network wiring can be connected in any configuration

(daisy chain, star, others).

Up to 12 Lighting Integrator panels can be networked via the Automation Card. A maximum of 1,500 feet of unshielded twisted pair wire

can be used to connect the panel network. Repeaters can be used to increase total wiring distance.

If using repeaters, care must be taken to design the network properly. Call 1-800-852-2778 for application assistance.

For larger networks, up to 500 panels equipped with a Communications Card can be networked and configured using WinControl

software. See the panel specifications for further information and WinControl software documentation for programming and smartwiring

instructions.

NOTE: To ensure good communications, the installer must comply with the dataline wiring specification. Legrand /Wattstopper will not

warrant a system using wiring that does not meet our specifications. To avoid questions, use HDLW4(P) unshielded dual-twisted

pair wire (plenum rated).

When wiring Dataline Switches to a Lighting Integrator panel both twisted pairs are used; one pair for power, and the other pair for

signaling. This type of connection is often refered to as a local dataline, since it only connects Dataline switches or a USM to a single

panel. Up to 63 devices can be connected on a local dataline.

The same HDLW4P wire is also used to network up to 12 panels through their automation cards, but only one twisted pair is used. This

type of connection is referred to as a global dataline. Do not run the dataline wiring in conduit or wiring trays with power wires. Do not

connect the local datalines from two different panels.

HDLW4P Dataline Wire Specications

• 18 AWG (7 strands x 26 AWG)

• 2 independent twisted pairs

• Unshielded copper conductors

• 2-inch twist lay on pairs, 6-inch on cable

• Plenum-rated copolymer jacket, 0.230” O.D.

• FEP 0.010” insulation, 0.060” O.D.

• 30 pF/foot maximum capacitance

• -20°C to 150°C operating temperature range

• 17 lbs. per 500 foot reel

• UL rated

Figure 2 – HUSM8SS

Universal Switch Interface Module Parts

DIN RAIL RELEASE CLIP

SWITCH INPUT LED AND BUTTON

ALTERNATE DATALINE CONNECTORS

SWITCH INPUT AND

STATUS CONTACT TERMINALS

RED

BLACK

WHITE

YELLOW

TOP EDGE OF USM SERVICE PIN,

LED AND DATALINE CONNECTOR

INSTALLATION OVERVIEW

The USM is installed at the same time as other

switches connected to the system. A typical Lighting

Integrator panel system installation is as follows:

1. Mount enclosure and rough-in wiring.

2. Install relay interiors and wire to appropriate

circuits, as documented on the Relay Schedule

forms.

3. Connect switches.

• Connect Dataline Switches to the Local

Dataline of the nearest relay panel or

accessory box, and smartwire to the

appropriate relays, as indicated on the

Dataline Switch documentation.

• Install the USM as instructed below. Record

its number as if it were another 8-button

switch unit.

• Connect standard low-voltage switches to the

panels — to channel inputs and to the relay

inputs on panel interiors — as needed.

4. Connect control devices, such as the Network

Clock or BMS Interface Module, and program the

system as indicated on the Clock or BMS forms.

USM INSTALLATION

Step 1: Mount the Universal Switch

Interface Module. The USM snaps onto

the accessory DIN rail in any Lighting

Integrator panel or HACCBOX accessory

enclosure which is near the switches to be

connected.

Step 2: Wire the switch inputs and

status contacts for each terminal.

Input Contacts (red/black/white):

Any 2- or 3-wire maintained or momentary

Status Contacts (yellow/yellow):

Ratings: 1 amp, 24 VAC

Contact = Closed, if any relay in the group

is on (or if a programmed Pattern is “True”)

Contact = Open, if all relays in the group

are off (or if a programmed Pattern is “Not

True”)

Step 3: Connect the USM to the local

dataline. Plug the included cable into the

Dataline Connector at the top of the USM

(Figure 4a), or alternately you can wire to

the terminals at the bottom of the USM

(Figure 4b). Make the panel connections

at the LOCAL DATALINE terminals on the

automation card in any LI panel (Figure

5). The local dataline provides power and

communication signals. On power-up, the

LEDs on the face of the unit turn red briefly,

then off.

Step 4: Smartwire each switch input

to its associated relays or channel.

(Alternatively, the HCLK8SS Network

Clock can be used in Programming

Mode to smartwire the inputs of a USM.

For instructions, see the Network Clock

Installation manual.)

1. Press the Service Pin at the top of

the USM as shown in Figure 6 on

the next page(this is like pressing

the SMARTWIRE tab on a Dataline

Switch). The LED next to the Service

Pin flashes once, then the eight

switch input button LEDs on the unit

begin to flash on/off.

2. Press the switch input button you

want to smartwire. The LED for that

button continues to flash; LEDs for

the other buttons stop flashing. LEDs for the relays currently controlled by that switch

button also begin to flash.

3. Select the relays to be controlled. In the relay panel, press the associated relay control

button to add/delete that relay to/from the group. To smartwire a switch to a Channel,

press the channel button instead of the relay control button.

4. Press the Service Pin again. All LEDs stop flashing. The selected switch input now

controls the selected group of relays.

Step 5: Test the switch inputs. Press the selected switch input button to toggle the relay

group on/off/on. Next, press each relay control button to turn the relay(s) off. The switch input

button LED goes from red (all relays on) to green (mixed group) to off when the last relay in the group is turned off.

1. SMARTWIRE tab on a Dataline Switch). The LED next to the Service Pin flashes once, then the eight switch input button LEDs on

the unit begin to flash on/off.

2. Press the switch input button you want to smartwire. The LED for that button continues to flash; LEDs for the other buttons stop

flashing. LEDs for the relays currently controlled by that switch button also begin to flash.

3. Select the relays to be controlled. In the relay panel, press the associated relay control button to add/delete that relay to/from the

group. To smartwire a switch to a Channel, press the channel button instead of the relay control button.

4. Press the Service Pin again. All LEDs stop flashing. The selected switch input now controls the selected group of relays.

STATUS OUTPUT TO BMS

2-CONDUCTOR

(1A @ 24VAC MAXIMUM)

TO 24 VAC RECT

FROM RELAY PANEL

MOTHERBOARD

1-CONDUCTOR #20 AWG

MAINTAINED

ISOLATED (DRY)

CONTACT

CLOSED CONTACT = ON

OPEN CONTACT = OFF

JUMP RED TO BLACK

2-CONDUCTOR #20 AWG

1000 FEET MAXIMUM

2-CONDUCTOR #20 AWG

1000 FEET MAXIMUM

3-CONDUCTOR #20 AWG

1000 FEET MAXIMUM

JUMP BLACK TO WHITE

RED

WHITE

2-WIRE

MOMENTARY

PUSH BUTTON

BLACK

RED

BLACK

WHITE

RED

WHITE

BLACK

RED

BLACK

WHITE

RED

4-CONDUCTOR #20 AWG

1000 FEET MAXIMUM

3-CONDUCTOR #20 AWG

1000 FEET MAXIMUM

4-WIRE

MOMENTARY

PILOT SWITCH

STANDARD

3-WIRE

MOMENTARY

SWITCH

BLACK

YELLOW

WHITE

RED

STANDARD

3-WIRE

MAINTAINED

SWITCH

BLACK

WHITE

RED

BLACK

WHITE

YELLOW

RED

BLACK

WHITE

RED

Figure 3 - Switch Input Wiring

Figure 4a – Connect Local DataLine to USM Figure 4b – Alternate

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Figure 5 – Connect Local DataLine to Panel

800.879.8585

www.legrand.us/wattstopper

No. 25276 – 12/16 rev. 1

Wattstopper warranties its products to be free

of defects in materials and workmanship for a

period of five (5) years. There are no obligations

or liabilities on the part of Wattstopper for

consequential damages arising out of, or in

connection with, the use or performance of this

product or other indirect damages with respect

to loss of property, revenue or profit, or cost of

removal, installation or reinstallation.

Wattstopper garantit que ses produits sont

exempts de défauts de matériaux et de fabrication

pour une période de cinq (5) ans. Wattstopper

ne peut être tenu responsable de tout dommage

consécutif causé par ou lié à l’utilisation ou

à la performance de ce produit ou tout autre

dommage indirect lié à la perte de propriété, de

revenus, ou de profits, ou aux coûts d’enlèvement,

d’installation ou de réinstallation.

Wattstopper garantiza que sus productos

están libres de defectos en materiales y mano

de obra por un período de cinco (5) años. No

existen obligaciones ni responsabilidades por

parte de Wattstopper por daños consecuentes

que se deriven o estén relacionados con el

uso o el rendimiento de este producto u otros

daños indirectos con respecto a la pérdida

de propiedad, renta o ganancias, o al costo

de extracción, instalación o reinstalación.

WARRANTY INFORMATION INFORMATIONS RELATIVES À LA GARANTIE INFORMACIÓN DE LA GARANTÍA

Step 5: Test the switch inputs. Press the selected switch input button to toggle the relay

group on/off/on. Next, press each relay control button to turn the relay(s) off. The switch input

button LED goes from red (all relays on) to green (mixed group) to off when the last relay in the

group is turned off.

PATTERNS OR SCENES

As on a Dataline Switch, any input of the USM may be configured as a normal

On/ Off Group switch or a Pattern switch. The Patterns Mode allows the selected group of relays

to be forced to a combination of on/off states to provide a lighting “scene.” For more information on

Patterns, refer to the Dataline Switch Installation manual. To program a Pattern either the Group

Switching card, the Network Clock, or the Automation Appliance must be installed. The following

describes programming a pattern via the Group Switching card. (For information on programming

patterns using the Network Clock or Automation Appliance, refer to the respective Installation

manual). Smartwiring a switch input button of the USM in Patterns Mode is similar to that described

in Step 4 previously, with one additional step as noted below:

1. Press the Service Pin.

2. Press the switch input button.

3. Then, press the PATTERNS button on the Group Switching card (Figure 5).

4. Select the relays to be controlled.

This time, pressing the relay control button will toggle the relay’s LED from red to green to

off and back. Select the desired relay state as follows:

LED Red: Relay is IN the group and ON (turns on when the switch is activated)

LED Green: Relay is IN the group but OFF (forced off when the switch is activated)

LED Off: Relay is NOT IN the group

5. Press the Service Pin again.

6. Test.

PRESS SWITCH INPUT BUTTON TO BE PROGRAMMED

SELECTED BUTTON LED CONTINUES TO FLASH

OTHER LEDS STOP FLASHING

PRESS SERVICE PIN AGAIN

ALL LEDS STOP FLASHING

PRESS SERVICE PIN AT TOP OF HUSM8SS ONCE

SMARTWIRE LED FLASHES ONCE

ALL SWITCH INPUT BUTTON LEDS BEGIN FLASHING

SWITCH

INPUT

BUTTON

LEDS

SWITCH

INPUT

BUTTON

LEDS

PRESS RELAY CONTROL BUTTON(S) TO

ADD OR DELETE FROM THE GROUP

FLASHING LED

RELAY

CONTROL

BUTTON

SERVICE PIN

HUSM8SS TOP VIEW

SMARTWIRE LED

HUSM8SS TOP VIEW

SWITCH

INPUT

BUTTON

HUSM8SS TOP VIEW

Figure 6 – Smartwiring Switch Inputs

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Figure 7 – Group Switching

Card Pattern Button & LED

Legrand HUSM8SS Universal Switch Interface Module, HUSM8SS Universal Switch Interface Module for Lighting Integrator Installation guide

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