Siemens NET-7 Manual de usuario

P/N 315-091914-13

Installation Instructions

Model NET-7

Communication Interface

INTRODUCTION

The Model NET-7 from Siemens Industry, Inc.,

provides a Style 7 communication interface between

the main MXL and multiple remote panels in an MXL

system using two separately supervised RS-485

pairs. Each NET-7, except the NET-7 connected to

the MMB, electrically isolates the pairs from the local

power supply and isolates ground faults to a single

remote panel. The MMB provides ground fault

detection for the two pairs.

Each NET-7 connected represents one network drop

on the MXL System. There can be a maximum of 32

drops. The NET-7 has a network address which must

be set on the module and installed into the CSG-M

network map.

The NET-7 has two yellow LEDs:

1. XMIT ENABLE lights whenever the NET-7

transmits a message.

2. ANY TROUBLE lights when the NET-7 is unable

to communicate to the MMB on either pair.

Three green LEDs on the NET-7 indicate the state

of two communication pairs. The first two LEDs,

PRIMARY and SECONDARY, light whenever the

NET-7 receives a message on that pair. Use these

two LEDs when troubleshooting to determine if a

pair is active. The third green LED, SELECT,

indicates the communication pair currently connected

to the modules in the enclosure. In normal operation,

the SELECT LED turns on and off every time there is

network activity. If this LED remains in one state

(either on or off), it indicates that one or both of the

pairs is not functional. The SELECT LED lights when

the PRIMARY pair is selected.

The NET-7 can also provide a Style 4 communication

mode. In that configuration all NET-7s must be set to

Style 4. Use P3 on the NET-7 to make this selection.

CAUTION: NET-7s and NET-4s cannot be

combined in the same system.

The NET-7 offers advanced performance over the

NET-4. Each NET-7 determines which modules are

installed in its enclosure and reports this information

to the MMB where it is compared to the CSG-M data

base. That information verifies that the system is

properly installed. The default setting in the MXL has

this feature deactivated. The user can change the

default setting in CSG-M or temporarily change the

setting by selecting the OVERRIDE submenu of the

TEST menu in the MXL. When using the MXL menu,

the change remains in effect until power is removed.

Error checking is available in either Style 4 or Style 7.

All terminals are power limited.

For additional information on the MXL/MXLV System,

refer to the MXL/MXLV Manual, P/N 315-092036.

Siemens Industry, Inc.

Building Technologies Division

Florham Park, NJ

Siemens Building Technologies, Ltd.

Fire Safety & Security Products

2 Kenview Boulevard

Brampton, Ontario

L6T 5E4 Canada

INSTALLATION

Remove all system power before installation,

first battery and then AC. (To power up, first

connect the AC and then the battery.)

All wiring must comply with national and

local codes.

1. Remove the NET-7 from the antistatic bag.

CAUTION: Do not touch the gold plated

card edge on the NET-7.

2. Set the address for the NET-7 using switch S1.

Refer to Table 1 for the switch settings. Be sure

that the address agrees with the CSG-M network

map.

3. Determine whether the communication mode is

Style 4 or Style 7. Place the shorting jumper on

P3 to agree with the style selected. (See Figure 1

for the location of P3.)

NOTE: On the MMB set jumper P15 to the S7

position regardless of the communication

mode (Style 4 or Style 7) selected on the

NET-7.

4. Decide whether to install the NET-7 into a PSR-1

or into the enclosure with the MMB. If the

installation is in a PSR-1, skip to step 8.

5. Install the NET-7 that is in the enclosure with the

MMB in a MOM-4 slot. Any available MOM-4 slot

can be used. Mount one of the two card guides

provided in the MOM-4. Slip the guide under the

mounting screw in the center of the MOM-4 and

tighten.

6. Refer to Figure 2 for the wiring diagram. Check

all wiring prior to installing the NET-7 into the

MOM-4. Failure to properly wire the NET-7 can

cause damage to the board.

7. Install the NET-7 into the MOM-4 slot. Be sure

that the board is firmly seated in the card edge

connector. This completes the installation of the

NET-7 with the MMB.

8. When used with a PSR-1, install the NET-7 into

connector P7.

• If screws are in the location where the card

guide is to be installed, remove the screws

and mount the card guide with the hardware

supplied.

• Mount the two card guides supplied onto the

PSR-1 by loosening the screws above and

below P7. Then slide the guides under the

screws and tighten them.

9. Refer to Figure 2 for the wiring diagram. Connect

the network wires to TB4 on the PSR-1 as shown.

10. Install the NET-7 into P7. Be sure that the board

is firmly seated.

11. If an MKB-2 is installed, the NET-7 must be

located in a MOM slot. In this configuration, the

setting in the CSG-M for the PSR-1 style type

should be none and a NET-7 should be installed

in the network map.

Note on End of Line Resistors

End of line resistors are provided with each NET-7.

DO NOT PLACE AN END OF LINE RESISTOR AT

EACH NET-7. These devices are required at the two

extreme ends of each network pair as shown in

Figure 2. It is not required that the MMB be at one of

the ends. It may be at any location along the net-

work. T-Tapping is not allowed on the network.

ELECTRICAL RATINGS

Figure 1 NET-7 Board

tnerruCeludoMCDV5evitcAAm021

tnerruCeludoMCDV42evitcAAm0

tnerruCeludoMCDV42ybdnatSAm03

Figure 2 NET-7 Wiring Diagram

MMB

MOM-4

PSR-1

USE ONLY

WITH MMB-1

SEE NOTE 3.

SEE NOTE 2.

NOTES:

1. THE NET-7 IS NOT COMPATIBLE WITH THE PS-5N.

2. TO CONNECT A NET-7 TO A MOI,USE A MER-8 CABLE FROM P5 ON THE MOI-7 TO P6 ON A PSR-1

THAT HAS A NET-7 INSTALLED IN IT.

3. USE THE 120 ¼W, 5% END OF LINE RESISTOR OR RESISTOR ASSEMBLY, AS APPLICABLE:

P/N 140-820150 (MMB-1/-2) OR P/N 140-049099 (MMB-3).

4. FOR MMB-2, SET JUMPER P15 TO S7 WHEN USING NET-7. (SEE MMB-2 INSTALLATION INSTRUCTIONS,

P/N 315-095097.)

5. WHEN USING MMB-3 WITH A NET-7 INSTALLED IN MAIN ENCLOSURE, WIRING MUST BE CONNECTED

AT THE NET-7 ONLY. SET JUMPER P7 TO POSITION 2,3. (SEE MMB-3 INSTALLATION INSTRUCTIONS,

P/N 315-048860.)

- CSG-M CONFIGURATION MUST BE LOADED VIA NET-7 PROGRAMMING PORT (P1).

- MAKE SURE THE CSG-M SETTING “LOCAL NETWORK COMM STYLE” IS SET TO STYLE 7 AND “MMB-3

MNET STYLE 7” IS SET TO NO.

6. REFER TO WIRING SPECIFICATION FOR MXL, MXL-IQ AND MXLV SYSTEMS, P/N 315-091772 REVISION 6

OR HIGHER, FOR ADDITIONAL WIRING INFORMATION.

18 AWG MIN.

80 MAX. PER PAIR

USE TWISTED PAIR OR SHIELDED TWISTED PAIR.TERMINATE THE SHIELD AT THE MMB ENCLOSURE ONLY.

POWER LIMITED TO NFPA 70 PER NEC 760.

MAX. VOLTAGE 8V P-P.

MAX. CURRENT 150mA.

EACH PAIR IS INDEPENDENTLY SUPERVISED BY NET-7s AT THE ENDS OF THE NETWORK.

P/N 315-091914-13

TA B LE 1

NETWORK ADDRESS PROGRAMMING

ADDR 87654321 ADDR 87654321 ADDR 87654321 ADDR 87654321

000 ILLEGAL 064 OXOOOOOO 128 XOOOOOOO 192 XXOOOOOO

001 ILLEGAL 065 OXOOOOOX 129 XOOOOOOX 193 XXOOOOOX

002 ILLEGAL 066 OXOOOOXO 130 XOOOOOXO 194 XXOOOOXO

003

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OOOOOOXX

OOOOOXOO

OOOOOXOX

OOOOOXXO

OOOOOXXX

OOOOXOOO

OOOOXOOX

OOOOXOXO

OOOOXOXX

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067

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XOOOOOXX

XOOOOXOO

XOOOOXOX

XOOOOXXO

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XOOOXOOX

XOOOXOXO

XOOOXOXX

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056 OOXXXOOO 120 OXXXXOOO 184 XOXXXOOO 248 ILLEGAL

057 OOXXXOOX 121 OXXXXOOX 185 XOXXXOOX 249 ILLEGAL

058 OOXXXOXO 122 OXXXXOXO 186 XOXXXOXO 250 ILLEGAL

059 OOXXXOXX 123 OXXXXOXX 187 XOXXXOXX 251 ILLEGAL

060 OOXXXXOO 124 OXXXXXOO 188 XOXXXXOO 252 ILLEGAL

061 OOXXXXOX 125 OXXXXXOX 189 XOXXXXOX 253 ILLEGAL

062 OOXXXXXO 126 OXXXXXXO 190 XOXXXXXO 254 ILLEGAL

063 OOXXXXXX 127 OXXXXXXX 191 XOXXXXXX 255 ILLEGAL

O = OPEN (or OFF) X = CLOSED ( or ON)

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