User Manual for PuraLev
®
2000SU
www.levitronix.com
PL-4034-00, Rev02, DCO# 20-144
23
4.1.3 Electrical Installation of Controller LPC-2000.1 for Standalone Operation
For standalone operation the
LPC-2000.1
is disabled when power is turned on. It can be enabled manually by
using the “UP” button on the display. If the controller shall be enabled automatically, when power is applied
the “ENABLE” pin on the “User Interface” connector (see
) has to be active (typically 24V).
4.1.4 Electrical Installation of Controller LPC-2000.1 for Extended Operation
If the
LPC-2000.1
shall be controlled
with external signals the “User Interface” can be used with the PIN
designations described in
Pin Name
Connector
Pin #
Designation
Levels
Note
Analog In, (Signal)
5
Reference
Speed
4..20 mA = 0..10000 rpm
- Speed Limit = 8000 rpm
16.8 mA for
-
Cut-off (min.) speed = 300 rpm
Direct connection, no
protection. Galvanic
isolation on the user side is
required.
Ground Analog In
6
Digital In, (Signal)
3
Enable
24
V
active
0
V
not active
Is needed to enable the
system with an external
signal.
Ground Digital In
4
Digital Out
1
Status
Relay closed
active, system on
Relay open
not active, system off
This signal indicates if the
system is active.
Ground Digital Out
2
Table 13
: Description of „USER INTERFACE“ connector
(Description is for the standard firmware, for other configurations refer to alternate firmware documentation)
Figure 25:
„User Interface“ connector
- Delivered with controller LPC-2000.1-04
- Supplier: PTR Messtechnik GmbH, Germany
- Connector Type: AK1550/06-3.81-GREEN
Figure 26
: Mounted “USER INTERFACE” connector and Pin numbering
1
6