6. Product Description
6.8.
Accessing Internal Components
This section contains important information that you must read before accessing the internal components. You must
follow these procedures properly when handling any board components of the system.
Before removing the cover of the M@CII 70/104/121/150 in order to gain access to the internal
components, the system must be powered-down and the power cord has to be disconnected from the
power source.
The system may only be opened in accordance with the description in this user’s manual for:
•
Replacing of the Lithium battery (M@CII 70/104/121/150)
•
Configuration of the RS422/RS485 interface (M@CII 104/121/150).
These procedures have to be carried-out only by qualified specialist personnel.
It is not allowed to operate the system without installed cover.
Please observe the safety instruction for handling assemblies with static sensitive device.
Failure to take heed of this warning instruction can result in damage to the device.
6.8.1.
Configuration of the RS422/RS485 Port (M@CII 104/121/150)
In order to change the factory configuration of the RS422/RS485 port [refer to the grey highlighted settings of the SW1
(DIP1-DIP8)] proceed as follows:
The new port configuration has to be set before the system is installed on a panel or into an industrial
cabinet. The system must be disconnected from the power source. Disconnect all peripherals. Before
you begin, ensure that you have a clean, flat and ESD-safe surface to work on.
1.
Close all applications; shut down the system properly and disconnect the power cord from the power source.
Disconnect all peripherals.
2.
The M@CII system should lay on a flat, clean surface with the front panel downwards. (Make sure that the display
surface is protected against scratching and damage).
3.
Unscrew the screws that secure the cover (refer to pos. 5, Fig. 22, Fig. 23, Fig. 24, Fig. 25, Fig. 28 and Fig. 29). Put
the screws aside for later use.
4.
Lift up the cover and put it aside.
5.
Locate the DIP switches into the unit (refer to Fig. 35).
6.
By use of an insulated thin tool (e. g. screwdriver or a stylus) set the DIP switches to the up (for ON) or down (for
OFF) position corresponding the needed port configuration (refer to the Table 3, Table 4 and Table 5).
DIP Switches (DIP1-DIP8)
Fig. 35: DIP1-DIP8 switches (shown with factorry settings)
7.
Replace carefully the cover to the system and screw it on with the retained screws.
8.
Tighten the retained screws when the cover is firmly in place.
M@CII 70/104/121/150 - User’s Manual (V1.00)
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