TRACOpower TSP 070-112 Bedienungsanleutung Seite 5

2.2.3.2 Active signal output
11VDC ±1VDC (TSP xxx-112) or 22VDC ±2VDC (TSP xxx-124) is applied between the "DC-OK" (TSP 070-112 and TSP 090-124(N): Connector
J2, pin 3 / TSP 140-112, TSP 180-124 and TSP 360-124: Connector J2, pin 5 / TSP 600-124: Connector J5, pin 3) and "-" (Connector J2, pin 1)
and can carry up to 60mA (TSP xxx-112) or 30mA (TSP xxx-124). This signal output is referenced to –Vout (GND) and signals when the output
voltage drops below: TSP xxx-112
The DC-OK signal is decoupled from the power output. It is thus not possible for parallel-switched devices to provide external supply. The DC-
OK signal can be directly connected to a logic input for evaluation.
2.2.3.3 Signal loop:
The two above-mentioned signals can be easily combined.
Example: Monitoring of two devices.
Use the active signal output of device 1 and loop in the floating signal output of device 2. In the event of malfunctioning a common alarm is
available. Up to 5 units can be looped in. This signal combination saves wiring costs and logic inputs.
2.2.3.4 DC-OK LED:
The DC-OK LED is a two colour LED which indicates the status of the output and enables visual evaluation of the function locally in the control
cabinet. DC-OK LED green – normal operation. DC-OK LED red – output failure if input mains is still present.
3. Function
3.1 Output characteristic curve:
In the case that the ambient temperatures is not higher than +40°C, the device can continuousely supply Iout max (see datasheet). In the event
of a higher load, the operating point follows the U/I charateristic curve by use of overcurrent protection. The output current is limited at Iout max.
by use of a constant current characteristic with automatic restart if the short circuit or over load condition has been removed.
The U/I characteristic curve ensures that heavily capacitive loads can be fed without problems.
3.2 Thermal behaviour:
The device should not be operated at higher loads than indicated on the derating graphs
thermal overload. After sufficent cooling the device will switch on again.
3.3 Parallel operation:
Maximum 5 devices ot he same type can be connected in parallel to enable increased output power. For n parallel connected devices the output
current can be increased to n x Imax. Parallel connection to increase efficiency is used for the expansion of existing systems. It is advisable to
use parallel connection if the power supply does not cover the current requirment of the most powerful consumer. Otherwise the consumers
should be spread among individual devices independent of one another.
To provide a proper and relaible start-up the jumper at connector J4 has to be set (see Fig. 5.1, Fig. 5.2, Fig. 5.3 & Fig. 5.4). If the jumper is set
between pin 1 and pin 2 of connector J4 the unit is in normal mode. If the jumper is set between pin 2 and pin 3 on connector J4 the unit can be
paralleled. At delivery this jumper is set for normal operation (between pin 1 and pin 2 of connector J4).
If the output voltage is adjusted, a uniform distribution of power is guaranteed by setting all parallel operated power supplies to exactly the same
output voltage. To ensure symmetrical distribution of power, we recommend designing all cable from the power supply as busbar of the same
length and with the same conductor cross section. The system makes it advisable to install a protective circuit at the output of each device when
more than two power supplies are connected in parallel (e.g. decoupling diode or DC fuse). This prevents high reverse feed currents in the event
of a secondary device fault.
3.3.1 Redundancy operation:
Possible by use of our redundancy module TSP-REM360. With this module and two power supplies of the TSP series (70, 90, 140, 180 and 360
watt models) a highly reliable, true redundant power system can be configured without any additional components. This module enforces the
equivalent sharing of the output current by each power supply. The system is fully redundant and provides the output power even if one power
supply has completely failed e.g. by short circuit on the output. In the event of either, one power supply failing or being disconnected, the second
unit will automatically supply the full current to the load. The redundancy of the system is monitored and if lost, indicated by an alarm output. The
inputs are hot swappable and can be loaded up to 15A each.
3.4 Buffer Module:
The TSP-BFM24 Buffer Module will hold the output voltage of a 24VDC power supply after brown outs or voltage dips of up to ten full 50Hz
cycles. During this buffer period no deterioration of the 24VDC output voltage will occur. For many applications this buffer module is an ideal
and cost effective alternative to a battery based backup system. The buffer module consists of a large bank of capacitors. When the power
supply is switched on, the buffer capacitors will be charged. This will take approximately 30 second and an opto-coupler signal indicates the
"READY" condition. When a power fail occurs, the capacitor bank is discharged, maintaining the output of the buffer module at its nominal
voltage. This condition is indicated by a "POWER FAIL" signal. The hold up time is typically 200ms at 25A and 4 seconds typically at 1,2A. After
4 seconds the buffer device will switch off the output voltage. The operation modes of the module are indicated by a LED on the front panel
also. The big advantage of this buffer solution is, that it is fully maintenance free and its storage capability does not deteriorate over the lifetime
of the product.
3.5 Uninterruptible power system (UPS):
The module TSP-BCM24 provides a professional battery management system to charge and monitor an external battery. Together with a power
supply of the TSP series (TSP 090-124, TSP 180-124 and TSP 360-124) a perfect DC-UPS system can be configured. The connected battery
will be charged and held in charge mode by the power supply. In the event of a power failure the battery will supply the output power until the
battery is discharged. As a consequence, the output voltage of the system is equivalent to the battery voltage.To avoid overcharging the battery,
an external temperature sensor adjusts the battery voltage automatically to the required end of charge voltage. This achieves a long battery life
time.
The battery is protected against deep discharge. Mains power and the battery status are monitored regulary and failures indicated by
corresponding LED's and alarm outputs. The module provides also an external ON/OFF input to switch-off both, power supply and battery.
3.6 Remote ON/OFF:
The standard unit provides a remote on/off function by use of pin 2 at connector J3 (see Fig. 3.1, Fig. 5.1, Fig. 5.2, Fig. 5.3 & Fig. 5.4). To switch
off the power supply a connection between Connector J3 pin 2 (-S) and Connector J2, pin 1 (–Vout) by use of a 1kΩ resistor has to be made. At
open connection between J3 pin 2 and J2 pin 1 the device is providing the adjusted output voltage.
(Fig. 5.1, Fig 5.2, Fig 5.3 and Fig. 5.4):
between 9 and 11VDC; TSP xxx-124
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Fax: +41 43 311 4545
CH-8002 Zürich
between 18 and 22VDC by switching from high to low.
Fig. 4.1 and Fig. 4.2). The device does switch off at
sales@traco.ch Date:
www.tracopower.com Issue: 2.1
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10 October 2005
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