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8020216/19YN/V3-0/2020-12| 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-3K
Subject to change without notice
CONFIGURING
9
9.3.3
Configuring the RS485 Modbus ASCII/RTU Interface module
If a control unit model that already contains the optional RS485 / Modbus® ASCII/RTU
Interface module right from the factory is selected, this is already preconfigured.
Configuring is necessary when the module is subsequently integrated. Configuration must
be carried out outside the Ex-zone because the USB Service interface must not be used
within the Ex-zone. The following steps are then necessary:
1
Select device file “MCU”, set the measuring system to “Maintenance” mode
2
see “Password for SOPAS ET menus”, page 68
3
Switch to the “Configuration / System Configuration” directory.
The field “Interface Module” shows the installed Interface module. This module must be
selected because only an RS485 connection is possible for the explosion-proof MCUDH
Ex-3K control unit.
4
Installed Interface module: Select RS485.
5
Configure the Interface module according to requirements.
Fig. 37: SOPAS ET menu: MCU/Configuration/System Configuration