
95
8024493/AE00/V1-0/2020-09| SICK
O P E R A T I N G I N S T R U C T I O N S | DUSTHUNTER SP100 Ex-2K
Subject to change without notice
MAINTENANCE
12
12.6
Maintenance work on the sender/receiver unit
Fig. 47: Device views for sender/receiver unit maintenance
12.6.1
Power supply without control unit
Due to the regulations for explosion protection, some maintenance activities must not be
carried out in the Ex-area; the sender/receiver unit must be dismantled and transported
out of the Ex-area for this purpose. Observe the safety instructions in Section 2 and at the
beginning of this Section before carrying out the activities. If a power supply is required for
the work, you can establish this according to the following diagram. For the optional
accessories
see “Options for MCUDH Ex-3K control unit”, page 127
Fig. 48: Voltage supply for sender/receiver unit without the control unit
Flange seal
Protective tube
Protective cover
Screw and spring washer
Non-return valve
Copper seal
cleaning opening
Coupling sleeve
Safety screw line connection
Grounding screw
Enclosure screws with
toothed washer
Enclosure cover
Copper seal non-return
valve top
Copper seal non-return
valve bottom
O-ring protection
tube top
O-ring protection tube bott
O-ring line connection
Sinter filter
Plug and socket 5-pol.
RS485 B yel-
low
Insulating terminal
(e.g.)
RS485 B blue
RS485 A black
Plug adapter (6075779)
Co
nnec
tion
line
w
ith
Ex
-Plug
-Co
nne
ctor
Sopas Service Kit (2097408)
USB/RS485 adapter
Power supply
unit
White
Brown