Xylem 795 MJK Data Transmitter User Manual
Page 3
3
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