BENSHAW RSi SG Series, Instruction Manual

Page: 192 / 218

Chapter 8 – Options
8-4
2) DB Unit Terminal layout
Terminals Description
G Ground terminal
B2 Connect to DB Resistor’s B2
B1 Connect to DB Resistor’s B1
N Connect to drive terminal N
P Connect to drive terminal P1
CM Over Heat Common
OH*
Over Heat Trip output terminal
(Open Collector output: 20mA, 27V DC)
3) Wiring for DB unit and DB resistor (for 7.5~40HP drives, 50HP~125HP similar)
B2 B1 N P
CM OH
G
AC Input
50/60 Hz
U
V
W
G
R(L1)
S(L2)
T(L3)
N(-)

3
MCCB(Option)
M1
M2
M3
M4
M6
M8
M7
MOTOR
Programmable Digital Input : Ext Trip
Common Terminal
Fault Contact Output
less than AC250V (DC30V), 1A
P2(+) P1(+)
M5
S1
S0
5G
Output Frequency Meter
Output Voltage Meter
Common for output meter signal
Max. output voltage : 12V
Source Max. : 30mA
Sink Max. : 20mA
3A
3C
3B
CM
DB Resistor
TH1
TH2
Short
N
B1
G
B2
B2
B1
DB Unit
Max distance between
P & P2:
5m
P