Data transmitter 795, Appendix – Xylem 795 MJK Data Transmitter User Manual
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50
M795GB0503
Data Transmitter 795
SW ver. 830434
Dimensions:
185 x 240 x 115 mm (h × w × d)
Power supply:
230 / 115 V AC or 12 / 24 V DC
Emergency power:
Built-in accumulator for monitoring of power supply and emergency communication.
Kapacitet for ca. 3 nødopkald pr. opladning á 12 timer.
Power consumption:
15 VA (Approx.)
Temperature range:
- 20 … + 60 °C
Material, housing:
Polystyrol
Material, lid:
Makrolon
Enclosure:
IP 65
Ur:
Real time clock with built-in battery backup
Kommunikation
Telephone / fax:
Hayes compatible, auto dial, auto answer, 2400 / 4800 baud
GSM / GPRS:
900 / 1800 MHz GSM / GPRS modem
UHF:
Data radio via RS 232 port
APL / owned lines:
RS 485 for owned lines (multidrop)
Accuracy:
< ± ½ % for analogue inputs
CE:
EN50081-1, EN50082-1
Appendix
A
Appendix
A1
Technical specifications
A4
Dimensions
A2
Number of signals available
Number of possible signals on a standard Data Transmitter 795
I/O
Limit relays
Counters
Time counters
Alarms
Analoge indgange
4
8
8
8
8
Digitale indgange
8/12/16
8/12/16
8/12/16
8/12/16
Digitale udgange
8/4/0
Antal i alt
20
8
16/20/24
16/20/24
16/20/24
Alle værdier overføres som i dag, i går og totalværdier.
Analogue inputs:
0/4 - 20 mA or 0 - 1 V DC. Input voltage = 50
Ω.
Digital inputs:
8 / 12 / 16 DI, passive with common negative pole, max. 24 V DC. (Optocoupler with 10 k
Ω
serial resistor)
Trig voltage: < 1 V DC = Off, > 10 V DC = On, pulse length > 100 ms.
Digital outputs:
0 / 4 / 8 DO, voltage free relay contacts, max. 1 A v. 24 V DC / 0,5 A v. 48 V AC.
Digital I/O:
Total 16 DI + DO
Data communication:
2 x ports (RS 485 with item no. 204570 built-in)
A3
Inputs and outputs