3 Electrical connections
Manual ERZ 2000-NG · EN07 · 2019, May 13th
113
COM 4
Pin assignment
Pin
Mode: DSFG
Mode: RS 232
1
+U (+5V DC)
Power supply
2
GND
Reference potential (GND)
RxD
3
R/TA
A Data
TxD
4
unassigned
5
SGND
GND
GND
6
-U
GND
7
GND
GND
8
R/TN
B Data
9
unassigned
Use
Switchable from
RS 232
without handshake to
RS 485 DSfG-compliant
. Can be as-
signed with
DSfG function
for converter and registration instances or RMG bus func-
tion. The DSfG interface implemented in the ERZ2000-NG also conforms to the cur-
rent version of the technical specifications of the DSfG for flow computers in this
case.
The operating mode for the COM 2 interface is adjusted in the menu
IB Serial inter-
faces
with coordinate
IB09 COM 3 operating mode
. The following adjustments are
possible:
x
Off
x
Test
x
DSfG
x
RMG bus
x
RMG bus-24K
There is a separate description for the RMG bus. It is used together with RMG PGCs
(GC 9000) instead of the DSfG.
Summary of Contents for ERZ2000-NG
Page 10: ......
Page 68: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 58 Figure 44 Menu LA Overview...
Page 69: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 59 Figure 45 Menu LB Totalizer BM1...
Page 77: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 67 Figure 51 Overview System sub menu...
Page 241: ...6 Flow meters Manual ERZ 2000 NG EN07 2019 May 13th 231 Figure 167 Interface module C34...
Page 340: ...8 Overview Coordinates Manual ERZ 2000 NG EN07 2019 May 13th 330 8 5 6 TSV export...
Page 453: ...Certificates Manual ERZ 2000 NG EN07 2019 May 13th 443...