Xylem 795 MJK Data Transmitter User Manual

Page 3

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M795GB0503

Data Transmitter 795

SW ver. 830434

Contents

1

Introduction .......................................... 5

1.1

Versions ........................................................ 5

1.2

Communications protocols ........................... 5

1.3

MJK-Link™ .................................................. 6

1.4

About this manual ........................................ 6

1.5

Safety instructions ........................................ 6

1.6

Product identification .................................... 6

1.6.1

Standard versions

7

1.6.2

Versions with built-in options

7

2

Mechanical mounting .......................... 8

2.1

Mounting on a wall ....................................... 8

3

Electrical mounting .............................. 9

3.1

Power supply ................................................ 9

3.2

In- and output signals

9

3.2.1

I/O terminals, 8 DI/8 DO/4 AI

9

3.2.2

I/O terminals, 12 DI/4 DO/4 AI

10

3.2.3

I/O terminals, 16 DI/4 AI

10

3.3

Connection examples ................................. 11

3.3.1

Digital inputs

11

3.3.2

Digital outputs

11

3.3.3

Analogue inputs

11

3.3

Connection of Pump Controller 704 ........... 12

3.4

Connection of communications ports ......... 12

3.4.1

Communications port

12

3.4.2

Built-in modem

12

4

The front panel ................................... 13

4.1

Display and keys

13

4.2

Menu structure ........................................... 13

5

Functional menus ............................... 14

5.1.1

F0 - Program version, time and date

14

5.1.2

F0 - Interlock, operation or alarm signal 14

5.1.3

F0 - Internal flag, operation
or alarm signal

14

5.1.4

F0 - Limits, high/low

14

5.1.5

F0 - Digital inputs,
operation or alarm signal

14

5.2

F1 - Digital inputs on/off ............................. 14

5.3.1

F2 - Digital outputs on/off

14

5.3.2

F2 - Internal flag on/off

14

5.4

F3 - Limits - High/Low ................................ 15

5.5

F4 - Analogue input value # ........................ 15

5.5.1

F5 - Analogue input scaling

15

5.5.2

F5 - Analogue input on
Pump Controller 704

15

5.6

F6 - Counter for inputs ............................... 15

5.7

F7 - Counter for time .................................. 15

5.8

F8 - Alarm / Alarm number ........................ 16

5.9.1

F9.1 - Stormflow volume

16

5.9.2

F9.2 - Stormflow calculation

16

5.10 F# - Modem/Line status ............................. 16
5.11 F* - Communication status ......................... 16

6

Programming of main functions ........ 17

6.1

Select language .......................................... 17

6.2

Set time and date ....................................... 17

6.3

Automatic change between
summer time and winter time ..................... 17

6.4

Access code enabled/disabled ................... 17

6.4.1

Enter password

17

6.5

Calculation of average values on
analogue inputs .......................................... 17

6.6

Data logging interval ................................... 17

6.7

Tone / pulse dialing ..................................... 17

6.8

Alarm call on power failure .......................... 17

6.9

Number of incoming rings before answer ... 18

6.10 ID. no. for the Data Transmitter ................... 18
6.11 Automatic reset of alarms ........................... 18
6.11.1

Call on automatic alarm reset

18

6.12 Start time for operational reports ................ 18
6.13 795 telephone number ............................... 18
6.14 SMSC telephone number ........................... 18
6.15 RS485 function ........................................... 18
6.15.1

Master ID number

18

7

Programming of analogue inputs ..... 19

7.1

Select analogue input ................................. 19

7.2

0 - 20 or 4 - 20 mA input ............................ 19

7.3

Scaling at 0 / 4 mA ..................................... 19

7.4

Scaling at 20 mA ........................................ 19

7.5

Monitoring of high limit ............................... 19

7.5.1

Set high limit

19

7.5.2

High limit operation / alarm

19

7.5.3

Dialout on high limit

19

7.5.4

Signal delay for exceeding high limit

19

7.6

Monitoring of low limit ................................. 19

7.6.1

Set low limit

20

7.6.2

Low limit operation / alarm

20

7.6.3

Dialout on high limit

20

7.6.4

Signal delay for exceeding low limit

20

7.7

Divisor ........................................................ 20

8

Programming of digital inputs ........... 20

8.1

Select a digital input ................................... 20

8.2

NO or NC ................................................... 20

8.3

Operational or alarm input .......................... 20

8.3.1

Dialout on alarm

20

8.4

Signal delay ................................................ 20

9

Programming of digital outputs ........ 21

9.1

Select a digital output ................................. 21

9.2

NO or NC ................................................... 21

9.3

Time controlled output ................................ 21

9.4

ON time ...................................................... 21

9.4.1

Time before start

21

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