Control Terminals - Lenze smd401 Operating Instructions Manual

Installation
3.2.4

Control terminals

Terminal Data for control connections (printed in bold = Lenze setting)
71
RS-485 serial communication input
72
RS-485 serial communication input
7
Reference potential
Analog input
8
0 ... 10 V (changeable under C34)
9
Internal DC supply for setpoint potentiometer
20
Internal DC supply for digital inputs
28
Digital input Start/Stop
Digital input configurable with CE1
E1
Activate fixed setpoint 1 (JOG1)
Digital input configurable with CE2
E2
Direction of rotation
Digital input configurable with CE3
E3
Activate DC injection brake (DCB)
A1 Digital output configurable with c17
62 Analog output configurable with c08 & c11
Relay output (normally-open contact)
K14
Configurable with C08
K12
Fault (TRIP)
Protection against contact
• All terminals have basic isolation (single insulating distance)
• Protection against contact can only be ensured by additional measures (i.e. double insulation)
STOP!
In the case of a Spinning Motor:
To bring free-wheeling loads such as fans to a rest before starting the drive, use the DC
injection braking function ("Auto-DCB"). Starting a drive into a freewheeling motor creates
a direct short-circuit and may result in damage to the drive.
Confirm motor suitability for use with DC injection braking.
10
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RXB/TXB (B+)
RXA/TXA (A-)
input resistance: >50 kΩ
(with current signal: 250Ω)
+10 V, max. 10 mA
+12 V, max. 20 mA
LOW = Stop HIGH = Run Enable
HIGH = JOG1 active
LOW = CW rotation
HIGH = CCW rotation
HIGH = DCB active
DC 24 V / 50 mA; NPN
AC 250 V / 3 A
DC 24 V / 2 A ... 240 V / 0.22 A
LOW = 0 ... +3 V, HIGH = +12 ... +30 V
ENGLISH