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3.6 Setting up the slide switches
Switching the slide switches located on the PCB allows you to customize the operation mode of the analog output terminals, digital
I/O terminals, and communication ports. The locations of those switches are shown in Figure 3.1.
To switch the slide switches, remove the front and terminal block covers, so that you can see the control PCB that contains the
switches. Furthermore, for models of 37 kW or above, open the keypad enclosure. Table 3.1 lists function of each slide switch.
Table 3.1. Function of Each Slide Switch
Switch Function
SW1 Switches service mode of the digital input terminals for SINK or SOURCE.
- To make the digital input terminal [X1] to [X5], [FWD] or [REV] serve as a current sink,
switch SW1 to SINK.
- To make them serve as a current source, switch SW1 to SOURCE.
SW3 Switches on/off the terminating resistor of RS485 communications port of the inverter.
- To connect a keypad to the inverter switch SW3 to OFF (factory default).
- If the inverter is connected to the RS485 communications network as a termination
device, switch it to ON.
SW4 Switches output mode of the analog output terminal FMA to voltage or current.
When switching this switch, change also data of the function code F29.
Switch SW4 to: Set data of F29 to:
Voltage output (Factory default) VO 0
Current output IO 1
SW5 Switches property of the analog input terminal V2 for voltage input or PTC.
When switching this switch, change also data of the function code H26
Switch SW5 to: Set data of H26 to:
Analog frequency command
source in voltage input
(Factory default)
V2 0
PTC thermistor input PTC 1 or 2
Figure 3.1. Location of the slide switches
Switching example
SW1
SINK SOURCE
SW3
Chapter 3: Electrical installation
RS485 comm. port
terminator
ON OFF
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