Chapter 7 - Options
169
3) DB Resistor Wiring
When wiring, connect the DB Resistor as SHORT as possible.
•
DB resistor wiring for 1 – 5 HP Inverter
DB resistor terminal
Terminal description
B1, B2
Connect the DB Resistor to Inverter terminal B1, B2.
TH1, TH2
Thermal sensors provided with the DB resistor.
P1 is ON (TH1-TH2 Shorted) at normal (ambient temp) and P1 is OFF (TH1-TH2
Open) at overheated status. Connect the thermal sensor to one of the multi-function
input (P1, P2 or P3, I/O 12-14 setting: Ext Trip-B).
IM
U
V
W
G
R
S
T
B2
DB Resistor
FX
RX
BX
RST
JOG
P2
P3
FM
+
FM
5G
Analog freq
output
2)
(0-10V)
P1
REV Run / Stop
FWD Run / Stop
Fault Reset
Jog
Max Current thru
PC: 5mA
CM
24 V
TH1
TH2
Max distance between inverter and
DB Resistor: 5m
Multi-function input terminal
(I/O-12 Setting: Ext Trip-B)
B2
B1
B1
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