3 Electrical connections
Manual ERZ 2000-NG · EN07 · 2019, May 13th
109
3.1.5
Pin assignment and recommened use of the interfaces
COM 1
Pin assignment
Pin
Mode: RS 232
Mode: RS 422
Mode: RS 485
1
+U (+5V DC)
+U (+5V DC)
+U (+5V DC)
2
RxD
TxD-A
3
TxD
R/TA A Data
4
RxD-A
5
GND
GND
SGND Signal Ground
6
TxD-B
7
8
RxD-B
R/TN B Data
9
Use
Switchable from
RS 232
to
RS 422
or
RS 485
, can be optionally assigned with
dif-
ferent protocols
,
MODBUS protocol
and
IGM
(for ultrasonic meters) available.
Optionally,
MODBUS ASCII / RTU
can be offered as
Modbus standard
driver for
RS 232 or RS 485 interfaces.
The operating mode for the COM 1 interface is adjusted in the menu
IB Serial inter-
faces
with coordinate
IB03 COM 1 operating mode
.
Содержание ERZ2000-NG
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Страница 43: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 33 Figure 17 Display of the ERZ2000 NG in the browser...
Страница 68: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 58 Figure 44 Menu LA Overview...
Страница 69: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 59 Figure 45 Menu LB Totalizer BM1...
Страница 77: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 67 Figure 51 Overview System sub menu...
Страница 109: ...3 Electrical connections Manual ERZ 2000 NG EN07 2019 May 13th 99 Figure 81 Menu EH Module assembly...
Страница 111: ...3 Electrical connections Manual ERZ 2000 NG EN07 2019 May 13th 101 Figure 83 Menu EI Configuration...
Страница 241: ...6 Flow meters Manual ERZ 2000 NG EN07 2019 May 13th 231 Figure 167 Interface module C34...
Страница 261: ...6 Flow meters Manual ERZ 2000 NG EN07 2019 May 13th 251 6 5 2 AP diff pressure Figure 184 Menu AP differential pressure...
Страница 340: ...8 Overview Coordinates Manual ERZ 2000 NG EN07 2019 May 13th 330 8 5 6 TSV export...
Страница 345: ...9 Faults Manual ERZ 2000 NG EN07 2019 May 13th 335 9 1 2 JB Message register Figure 249 Menu JB Message register...
Страница 347: ...9 Faults Manual ERZ 2000 NG EN07 2019 May 13th 337 9 1 4 JD Debugging Figure 251 Menu JD Debugging...
Страница 448: ...Appendix Manual ERZ 2000 NG EN07 2019 May 13th 438 K 18 T Trend TA Trend block See chapter 2 5 8 Trend...
Страница 453: ...Certificates Manual ERZ 2000 NG EN07 2019 May 13th 443...