Siemens SLT-1 User manual

P/N 315-093285-10

Installation Instructions

Model SLT-1

Leased Line/MunicipalTie Module

Siemens Industry, Inc.

BuildingTechnologies Division

Florham Park, NJ

Siemens BuildingTechnologies, Ltd.

Fire Safety & Security Products

2 Kenview Boulevard

Brampton, Ontario

L6T 5E4 Canada

OPERATION

The Model SLT-1 module from Siemens Industry,

Inc., is used with the SXL-EX System to provide

connections for Leased Line and/or Municipal Tie.

Either or both connections can be used. Terminal

Block 1 (See Figure 1) provides the connection to

TB3 on the Main Board.

If the green LED (labeled DS1) on the module is

pulsing, it indicates that the module is active.

Effective with SLT-1 Rev. 1.1 and higher, and

SXL-EX Rev. 2.0 or higher, the SLT-1 will ener-

gize the municipal tie connection for one minute

after the last alarm received at the panel. Mod-

ules with firmware below this level will energize

the municipal tie connection until the panel is

reset.

With SLT-1 Rev. 1.1 and higher and SXL-EX Rev.

2.0 or higher, the municipal tie box can be reset

before the panel is reset. The SLT-1 continues to

energize the Leased Line connection until the

panel is reset for all firmware versions.

The SLT-1 causes a trouble on the display panel

when any of the following three conditions

occurs:

1. There is an open on the data line.

2. No SLT-1 module is connected to the System,

though there is an address for the module in

the System configuration.

3. An SLT-1 module is connected to the system,

but there is no address for it in the System

configuration.

INSTALLATION

Remove all system power before

installation, first battery and then AC.

(To power up, connect the AC

first and then the battery.)

Installation in SXL-EX System

(Refer to Figure 2):

Install the SLT-1 in the upper right-hand portion of

the EN-SX enclosure according to the following

steps.

1. Insert the four 6-32 x 1/2standoffs over the

four studs in the upper right-hand corner of

the SXL-EX enclosure as shown in Figure 2.

2. Place the upper four holes of the SLT-1 board

over the four standoffs in the upper right-hand

portion of the EN-SX enclosure. Using the

four 6-32 screws provided, fasten the SLT-1

board to the standoffs.

Figure 1

SLT-1 Module

TB1

TB3 TB2

SLT-1

+24V

-V

DS1

Polling LED

Leased Line

Municipal Tie

DATA

EARTH

In an Existing SXL®System

(Refer to Figure 3):

To place the SLT-1 on the Main Board of an

existing system, first remove the existing Display

Board and its cover according to the following

steps.

1. Remove the Display Cover from the Display

Board as shown in Figure 3. Discard its top

two standoffs.

2. Unplug the ribbon cable from the Display

Board at jumper JP4 on the Main Board.

3. Remove the Display Board from the SXL

Main Board by unscrewing the four 6-32

screws and setting them to one side.

4. Remove and discard the two standoffs that

were supporting the two upper corners of

the Display Board.

5. Use the four 6-32 x 1-7/8standoffs, the 6-32

screw, and the two 15/16 standoffs provided

as follows:

• Fasten one of the longer standoffs provided

to the back of the upper left-hand corner of

the SLT-1 with the screw provided.

• Remove the screw from the upper right-

hand corner of the Main board.

• Screw another long standoff to the upper

right-hand corner of the Main board.

• Screw the last two long standoffs provided

to the Main board as shown in Figure 3.

6. Place the SLT-1 module on the standoffs that

were installed in Step 5 above.

7. Fasten the two short standoffs remaining to

the bottom two corners of the SRC-8 board

(They are supports for the Display Board).

8. Once the SLT-1 is in place, re-install the

Display Board by reversing Steps 1-3 above.

Figure 2

Mounting the SLT-1 in an SXL-EX System

PROGRAMMING

Use SXL Program Level 9 to program the SLT-1

module. (Refer to the SLX-EX Manual, P/N 315-

095997.)

1. To enter the System:

a. Press the RESET and DRILL keys at the

same time.

b. Enter your password (Refer to Enter

Password under PROGRAM MODE in the

Manual.)

c. Press the SILENCE key to confirm the

information for the system.

d. An A should display in the 7-segment

display.

e. If an F appears, repeat the process until

an A appears.

2. To enter the Program Mode:

a. Press the ACK key once.

b. Note that a P displays in the 7-segment

display.

c. Be sure the PROGRAM/TEST LED is lit.

3. To select the desired Program Mode

level:

a. To select Program Level 9, press

the RESET button 9 times.

b. Press SILENCE.

Figure 3

Mounting the SLT-1 in an Existing SXL®System

SLT-1

Leased Line

To SLX-EX

Main Board

Terminal TB-3

(Non-Power Limited)

Style 4

Supervised TB1

TB2

TB3

+24V

SUPV

Municipal Tie

Polarity shown in

supervisory state.

If Municipal Tie is not

used, install 1K ohm,

1 watt resistor,

P/N 140-112315.

NOTE:

Leased Line

2K-5K

Power Limited

Unsupervised

-V

DATA

EARTH

Municipal Tie +

Positive and Negative

Ground Fault Detected at

<20K For Terminals on TB1.

Positive and Negative Ground Fault

Detected at <80K for terminals on TB2 and TB3.

4. To program the SLT-1:

Program Level 9 has one sublevel. The

sublevel is displayed on the 7-segment

display following the hyphen (-).

b. Note that the top yellow LED on the

display is lit.

• Press the RESET key three times to

turn on the fourth yellow LED.

• If the fourth red LED is on, the SLT-1

is activated.

• If the fourth red LED is not on, the

SLT-1 is not activated.

c. Press the DRILL key to toggle between ON

(activated) and OFF (de-activated) as

desired.

5. To exit the system:

a. Press the ACK key until an L ap pears on

the display.

b. Press SILENCE to exit the program.

SLT-1 Electrical Characteristics

Supervisory: 50mA

Alarm: 345mA

WIRING

(Refer to Figure 4)

Connect TB1 on the SLT-1 to TB-3 on the SXL-EX

Main Board, being sure to observe the terminal

labels (+24V, -V, DATA, EARTH).

Electrical Connections for

NFPA 72 Municipal Tie

(Refer to Figure 4)

1. All wiring must be in accordance with Article

760 of NEC or local building codes.

2. Minimum wire size: 18 AWG

3. Electrical Ratings:

Trip Coil: 14.5 ohms

Trip Current: 240mA DC max

Supervisory Current: 1mA DC

Voltage: 18.3-24.1 VDC open circuit voltage

Total external resistance should not exceed

22.5 ohms.

4. Minimum emergency power:

60 hour standby

5 minute alarm

Electrical Connections for

NFPA 72 Leased Line

(Refer to Figure 4)

1. All wiring must be in accordance with Article

760 of NEC or local building codes.

2. Leased line is power limited to NFPA 70 Article 760.

3. Leased line circuit rating: 24 VDC open circuit

load must be a compatible polarity reversal

labeled remote station receiver unit.

Voltage: 18.3-24.1 VDC

Rated current: 3mA to 9mA, alarm/

supervisory

External circuit resistance: 2K to 5K ohms

4. Minimum emergency power:

60 hour standby

5 minute alarm

Figure 4

Wiring the SLT-1

BATTERY CALCULATIONS

Battery backup is required for the SLT-1. To

determine the size battery you need, refer to the

battery calculation table in the SXL-EX Manual,

P/N 315-095997.

MAINTENANCE AND TESTING

No periodic maintenance is required; however,

Siemens Building Technologies, Inc. does

recommend periodic testing.

Note: Before testing, you MUST notify the

personnel in charge of the Fire Alarm

panel, since the test may disrupt normal

business operations. In addition, you

MUST notify the local Fire Department if

the department is connected to the

municipal tie and/or the leased line.

Alarm Operation

Effective with SLT-1 Rev. 1.1 or higher and

SXL-EX Rev. 2.0 or higher, the municipal tie

connection voltage returns to normal one minute

after the last alarm. If the module is connected to

the municipal box, the panel will display Fault

code 5, indicating that the box needs to be reset.

With SLT-1 Rev. 1.1 or higher and SXL-EX Rev.

2.0 or higher, the municipal tie box can be reset

before the panel is reset.

Test the leased line and the municipal tie for alarm

operation by:

• Activating an initiating device on a zone

configured for alarm.

• Confirming the line reversal of the municipal

tie (duty cycled) and the leased line.

Supervisory Operation

The municipal tie and leased line will not change

state on any supervisory event.

Trouble Operation

The leased line interface can be tested for trouble

operation by:

• Disconnecting a wire from a IDC zone at the

control panel.

• Confirming the leased line interface is open

circuited (0 volts).

SLT-1 Supervision

Check SLT-1 supervision by:

• Disconnecting the DATA line from TB1 on the

module.

• The control panel displays the fault codes 5

and 8.

TROUBLESHOOTING

If the municipal tie and the leased line fail

to operate:

1. Check DS1 for activity. If there is no activity,

check for proper wiring connections, no

power, or some system problem.

2. Check that there are 24 volts between the

TB1 terminals +24V and -V.

3. If the problem continues, replace the module.

4. Check the new module for correct wiring

before powering up the system.

If Fault code 8 (Auxiliary Port Fault)

appears on the display:

1. The module is connected but is not config-

ured. Refer to SLT-1 Programing instructions.

2. Check the module for an error in the wiring.

If Fault code 5 (Municipal Tie Fault)

appears on the display:

1. There is a wiring fault: an open circuit be-

tween the SLT-1 module and the municipal

tie box.

2. The municipal tie box needs to be reset.

P/N 315-093285-10

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