Hach sc100 1720E - Connecting the Optional Digital Output

Installation
21
9. Pass the cable through conduit and a conduit hub or a strain relief fitting and
an available access hole in the controller enclosure. Tighten the fitting.
10. Close and secure the cover.
Figure 21 Hard-wiring the Sensor
3.5 Connecting the Optional Digital Output
At this time, the manufacturer supports ModBUS RS485 and ModBUS RS232
communication protocols. The optional digital output card is installed in the
location indicated in Figure 22 on page 22. Terminal block J1 provides user
connection to the optional network card. The terminal connection is based on the
selected network card. Refer to the instructions supplied with the network card for
more details.
NCNCNC
COMCOMCOM
NO
F1
F2
NONO
RELAY 3RELAY 2RELAY 1
1
1
+ DATA
+ DATA
+ OUT 2
+ OUT 2
– DATA
– OUT 2
SERVICE REQUEST
SHIELD/CHASSIS GND
+ V
+ V
+ OUT 1
+ OUT 1
GND
– OUT 1
2
2
3
3
4
4
5
5
6
PROBES
ANALOG OUTPUTS
PCB
CONNECTOR
PCB
CONNECTOR
FIELD WIRING
INSULATION MUST
BE RATED TO
80° C MINIMUM
FIELD WIRING
INSULATION MUST
BE RATED TO
80° C MINIMUM
J1
J2
J4
NETWORK
INTERFACE
CARD
J3
J6
U5
U9
S1
J5
NCNCNC
COMCOMCOM
NO
F1
F2
NONO
RELAY 3RELAY 2RELAY 1
1
1
+ DATA+ DATA
+ OUT 2+ OUT 2
– DATA
– OUT 2
SERVICE REQUEST
SHIELD/CHASSIS GND
+ V+ V
+ OUT 1+ OUT 1
GND
– OUT 1
2
2
3
3
4
4
5
5
6
PROBES
ANALOG OUTPUTS
PCB
CONNECTOR
PCB
CONNECTOR
FIELD WIRING
INSULATION MUST
BE RATED TO
80° C MINIMUM
FIELD WIRING
INSULATION MUST
BE RATED TO
80° C MINIMUM
J1
J2
J4
NETWORK
INTERFACE
CARD
J3
J6
U5
U9
S1
J5
J5J5
Table 7 Network Connections at Terminal Block J1
Terminal Number ModBUS RS485 ModBUS RS232
1In + —
2In – —
3Out + —
4Out – —
5 Common Common
6 No connection No connection
7 Shield Shield