5.8 Connecting the OTT PLS 500 to the Sutron XL
INK
100/500 data
logger using an SDI-12 or RS-485 interface
Variant A:
Connecting the OTT PLS 500 using an SDI-12 interface (protocol
and physi cal interface: SDI-12). The maximum cable length is 200m!
■
Connect the OTT PLS 500 to the Sutron XL
INK
100/500 data logger as shown in
Fig. 7 (right). Also follow the operating instructions of the Sutron XL
INK
100/500.
Variant B:
Connect the OTT PLS 500 using a physical RS-485 interface (SDI-12 or
Modbus protocol via physical RS-485 interface). The maximum cable length is
1000 m! Required wire cross section, see Chapter 5.4.
■
Connect the OTT PLS 500 to the Sutron XL
INK
100/500 data logger as shown
in Fig. 7 (left). Also follow the operating instructions of the Sutron XL
INK
100/500.
■
Configure the Sutron XL
INK
100/500 data logger as described in the operating
instructions of the device.
XL
INK
100/500
GND
→
14
+5.5 … +28.8 V
DC
→
15
SDI-12 Data
→
16
XL
INK
100/500
RS-485 A
→
5
RS-485 B
→
6
GND
→
14
+5.5 … +28.8 V
DC
→
15
left
left
left
XL
INK
500
RS-485 A
→
5
RS-485 B
→
6
GND
→
17
+5.5 … +28.8 V
DC
→
18
5
6
7
8
9
10
11
12
13
14
15
16
5
6
7
8
9
10
11
12
13
14
15
16
right
5
6
7
8
9
21
20
19
18
17
RS-485
SDI-12
Fig. 7: Connecting the OTT PLS 500 to
a Sutron XL
INK
100/500 via RS-485
interface (SDI-12- or Modbus protocol;
left) or via SDI-12 interface (right).
The connection of the power supply
of the RS-485 interface to a Sutron
XL
INK
500 can be made in two ways.
The other (not used) wires of the
pressure probe cable are not shown.
15
