Selecting The Rs232 Or The Rs485 Serial Interface; Teach Function, Test Function, Loading Of Default Settings - Hohner FU 252 Operating Manual

5.4. Selecting the RS232 or the RS485 serial interface

Position 1 of switch DIL1 selects between the RS232 interface and the RS485 interface. All
connection details have already been explained in section 4.5.
DIL1 / 1 Serial Interface
0
RS232 interface is active (RS485 is switched off)
1
RS485 interface is active (RS232 is switched off)

5.5. Teach function, Test function, loading of default settings

Positions 6 and 8 of switch DIL1 allow to set the following functions:
DIL1 Function
6 8
x 0
Unit returns to the factory default parameters after power-down
x 1
Unit always keeps the parameters according to customer setting
0 x
Push button and yellow LED operate in TEACH mode (see chapter 7)
1 x
Push button and yellow LED operate in TEST mode, Teach is disabled (see chapter 7)
After successful commissioning, please make sure to set positions
6 and 8 to "ON". Otherwise, cycling of the power supply or touching the push button
inadvertently would result in overwriting your parameter settings.
Fu252_02g_oi_e.doc / Apr-16
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