Instruction Manual ScrubberGuard
Electrical installation
42
14830E/1
5.5.5
Overview of HART
Information on commissioning the field bus interfaces can be found in the Reference
Handbook.
Figure14: Position of the HART module in the SICON (M)
Field bus interface (connection
print) for HART. Serves as interface
to HART.
HART terminals
5.5.6
Connecting to HART
The terminals of the HART module are configured as follows:
Terminals
HART
Functional description
1
mA+ In
Must be connected with terminal 19 (mA 1+)
on the AQ2Basi print.
2
mA- In
Must be connected with terminal 18 (mA 1-) on
the AQ2Basi print.
3
Shield
Cable shielding.
4
mA+ Out
Current output 1 (+) with HART.
5
mA- Out
Current output 1 (-) with HART.
The loop resistance on current output 1 can be between 230 and 500 Ohm for HART com-
munication.
5.5.7
Connecting the Modbus TCP
The AquaScat SG has an internal RJ45 Ethernet connector. An Ethernet cable leading out of
the instrument with a M12 connector is optionally available (article number 119081). If the
internal RJ45 connector is used, the cable must be fed through a splittable cable gland . For
more details, see the description in the Reference Manual (“Installing the IP66 Ethernet cable
in the photometer” section).
Summary of Contents for AquaScat SG
Page 6: ......
