Endress+Hauser Digital Recorder eco-graph c Betriebsanleitung Seite 78

Wiring
"
8
R
L
9
115...230 V
48...63 Hz
L
N
PE
9 8
2 3 5
To PC: Cable with
1 5
9 pol. Sub-D plug
RxD - 3 GND - 5
6 9
TxD - 2
2 3 5
To PC: Cable with
1 13
7
25 pol. Sub-D
14 25
plug
2 3 5
1
5
To modem: Cable with
9 pol. Sub-D socket
6 9
2 3 5
13
1
7 To modem: Cable with
25 pol. Sub-D socket
14 25
RS 232
78
4 Wiring
4.1 Quick wiring guide
Caution!
Before wiring, please compare the supply voltage with the information specified on the
nameplate. If safe operation is no longer possible (e.g. visible damage) please place
the device out of service and secure it against unintentional start-up.
4.1.1 Wiring diagram
Further units
Power
24...48 V
AC
AC/DC
0/48...63 Hz
(~)
_
(~)
PE
Rel.1
PE N L
L- L+
Option
Ethernet
Fig. 3: Wiring diagram
Cable
R =
L resistance
RxD/TxD(+)
RxD/TxD( _ )
max. 230 V/ 3 A
Rel.2 Rel.3
RS 232
RS 485
Rel.10 Rel.11 Rel.12 Rel.13
Rel.4 Rel.5 Rel.6 Rel.7
LNK
Rx
Tx
Cable fixing
Digital Recorder
RS 485
Digital in (DI)
>20 ms
12 V - 24 VDC
>5 mA
_
_ _ +
91
94
Rel.14 Rel.15
Relays connection:
Relays 4-9 (term. 451...952) see
Relays 10-15 (term. A51...F52)
Rel.8 Rel.9
Digital input connection:
Digital inputs 5-18 (term. 97...110)
or 19-32 (term. 113...126)
see digital inputs 1-4 (term. 91...94)
_
91
94
10 k
10 k
+