Electrical Connection | 6
Instruction Manual R5 RU 0050-0070 B_EN_en
15 | 36
Digital Output
Pin Nr.
Description
Signal
Status: 0/24 V (max. 20 mA)
Drive healthy. Logic 1 when power is applied to the drive and
no fault exists.
0 V / Ground
Ground
-
N/A
RS485, D-
RS485, D+
For reading status values (current, voltage, operating hours,
etc…) or parameters.
Preset speed
DI2 / DI4
0 / 0 : speed 1 = 1800 rpm
1 / 0 : speed 2 = 1600 rpm
0 / 1 : speed 3 = 1350 rpm
1 / 1 : speed 4 = 1150 rpm
Digital Input 4*
Digital Input 1
Digital Input 2*
*
24 V Out
"Logic 0" : input voltage = 0 … 4 VDC
"Logic 1" : input voltage = 8 … 30 VDC
Power supply (max. 100 mA)
Closed: Start
Open: Stop
Communication port via Modbus (RS485):
Ask your Busch representative for more information.