configuration (e.g. supplying power to other
external devices).
Fault relay output
A,B contact
Sends out alarm signals when the inverter‘s
safety features are activated.
( N.O.: AC250 V ≤2 A , DC 30 V ≤3 A
N.C.: AC250 V ≤1 A , DC 30 V ≤ 1 A)
Fault condition: A1 and C1 contacts are
connected (B1 and C1 open connection)
Normal operation: B1 and C1 contacts are
connected (A1 and C1 open connection)
Factory default: Frequency
Multi-function
relay output A
contact
Defined in the inverter signal features such as
output via the multi-function output terminal.
(AC 250 V≤ 5 A, DC 30 V≤ 5 A).
Used to send or receive RS-485 signals. Refer to
0
RS-485 Communication Features on page 349
for more details.
• While making wiring connections at the control terminals ensure that the total cable length
does not exceed 165 ft (50 m).
• Ensure that the length of any safety related wiring does not exceed 100 ft (30 m).
• Ensure that the cable length between the keypad and the inverter does not exceed 10 ft
(3.04 m). Cable connections longer than 10 ft (3.04 m) may cause signal errors.
• Use ferrite material to protect signal cables from electro-magnetic interference.
• Take care when supporting cables using cable ties, to apply the cable ties no closer than 6
inches from the inverter. This provides sufficient access to fully close the terminal cover.
Step 5 PNP/NPN Mode Selection
The H100 inverter supports both PNP (Source) and NPN (Sink) modes for sequence inputs
at the terminal. Select an appropriate mode to suit requirements using the PNP/NPN
selection switch (SW2) on the control board. Refer to the following information for detailed
applications.
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