User Manual for BPS-2000
www.levitronix.com
PL-4021-00, Rev03, DCO# 15-235
27
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
Table 13
) 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 to be controlled with
external signals the “User Interface” can be used with the PIN
designations described in
Table 13
.
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
“High-Flow”
-
Speed Limit = 10000 rpm = 20 mA for “High Pressure”
-
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 firmware E1.25 and E2.25, for other configurations refer to alternate firmware documentation)
Figure 29:
„User Interface“ connector
- Delivered with controller LPC-2000.1
- Supplier: PTR Messtechnik GmbH, Germany
- Connector Type: AK1550/06-3.81-GREEN
Figure 30
: Mounted “USER INTERFACE” connector and Pin numbering
1
6