參數(shù)資料
型號(hào)： PW-85075P6-800
廠商： DATA DEVICE CORP
元件分類： 運(yùn)動(dòng)控制電子
英文描述： UNIVERSAL MOTOR CONTROLLER, 200 A, XMA
文件頁(yè)數(shù)： 2/24頁(yè)
文件大小： 578K
代理商： PW-85075P6-800
10
Data Device Corporation
www.ddc-web.com
PW-8X075P6
C-05/02-250
either ± full-scale current (measurement limits of VIRSENSE).
VIRSENSE_ABS is an open source output and is "wire-OR-able".
When two or more VIRSENSE_ABS outputs are "wire-OR-ed", the
highest voltage will appear on the common signal. A typical use
for combining these outputs is for determining when an overload
condition has occurred. The VIRSENSE_ABS voltage is scaled by
the input voltage VIRSENSE where:
VIRSENSE_ABS = 2 x
|VIRSENSE- VIREF/2|
OC FAULT OUTPUT
OC FAULT is an active low open drain output that goes active
when the current flowing through RSENSE has exceeded the
OC FAULT trip level. This signal is not latched like SC FAULT,
and goes inactive as soon as the over current condition stops.
PW-85075 I/O AND OPERATION
PW-85075P6 modules can be added to a motor drive to provide
overvoltage protection capability. The following section describes
the PW-85075P6 module and its features.
REGEN_STATUS (OUTPUT)
The REGEN_STATUS pin is referenced to VBUS-, and indicates the
state of the regen clamp switch (H = on, L = off). An external opto-
isolator input can be connected between REGEN_STATUS and
10
100
1000
350
375
400
425
450
475
500
525
550
TRIP VOLTAGE, (Vdc)
RESIST
ANCE,
(K
Ohms)
OV Switch ON
OV Switch OFF
V
HYST
Vtrip
1
10
100
1000
10000
0
50
100
150
200
250
300
350
400
TRIP VOLTAGE, (Vdc)
RESIST
ANCE,
(K
Ohms)
OV Switch ON
OV Switch OFF
V
HYST
Vtrip
FIGURE 5A. EXTERNAL OV ADJUST RESISTOR
CONNECTED TO OV_ADJ_HIGH
FIGURE 5B. EXTERNAL OV ADJUST RESISTOR
CONNECTED TO OV_ADJ_LOW
VBUS- to translate this status to logic circuits if desired. The
REGEN_STATUS output is connected to the overvoltage amp
through a 5K
resistor. When the regen clamp switch is active
(inactive), the overvoltage amp sources +15V (0V) through the 5K
resistor. (see FIGURE. 1C).
REGEN_CLAMP (OUTPUT)
(REF. R20 ON FIGURES 14 AND 15)
An
external
load
dump
resistor
is
connected
between
REGEN_CLAMP and VBUS+. When VBUS+ reaches the over-volt-
age trip level set by the OV_ADJ, the internal clamp circuit will apply
the load dump resistor from VBUS+ to the VBUS-, thereby dissipat-
ing the regenerative energy of the bus into the external resistor.
OV_ADJ (INPUT)
The PW-85075P6 is internally set for a trip voltage of 400V. The
trip point can be adjusted to a higher or lower voltage by con-
necting an external over-voltage adjust resistor ROV_ADJ (Ref.
R21 on FIGURES 14 and 15)
To set the overvoltage trip point to a voltage above 400 volts con-
nect ROV_ADJ between the OV_ADJ and OV_ADJ_HIGH pins.
To set the OV trip point to a voltage below 400 volts connect
ROV_ADJ between the OV_ADJ and OV_ADJ_LOW pins. The
value of ROV_ADJ for voltages above (below) 400 volts should be
selected based upon FIGURE 5A (5B).
PW-8X075P6 TYPICAL OVERVOLTAGE TRIP VS. OV ADJUST SETTINGS
相關(guān)PDF資料
PDF描述
PW-85075P6-300 UNIVERSAL MOTOR CONTROLLER, 200 A, XMA
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