Mains Power - OJ Electronics DRHX-1055-MNN5 Guide Rapide

OPENING OF THE DRIVE
• Check that the power supply has been
disconnected from OJ-DRHX before the
cover is opened.
• Wait approx. 3 minutes after the mains power
has been disconnected before the cover is
opened.
• The drive is opened by using a screwdriver or
the like (see fig. 2)
GENERAL AND DIMENSIONAL DRAWINGS
See example fig. 3 and table 3 and 4.1

MAINS POWER

• The power supply is 230VAC; +/-10%.
• Power cables are connected to the OJ-DRHX
drive to the terminals marked with "L", "N"
and "PE". (See fig. 4)
• It is recommended that the PE line is 20 mm
longer than the other lines in the cable (See
fig. 4). If a cable is accidentally pulled out of
OJ-DRHX while there is power on the cable
and terminals, the PE line will be the last that
is disconnected. This is how OJ-DRHX is
protected against dangerous touching.
• When the uninsulated lead is correctly
inserted in the terminal, the terminal slides in
automatically with the correct torque.
• Remember to tighten connections to ensure
correct degree of tightness and torque.
SETTINGS AND FUNCTIONS
DIP switch - settings and functions
The OJ-DRHX series has a 4 DIP switch for
setting of amongst other things the stepper
motor size (see table 5) and setting of max.
motor speed (see table 5.1 and fig. 5)
Test run
The OJ-DRHX series has a test function in the
form of a built-in test push-button.
The test button is placed inside the drive in the
topmost right corner and may be used with an
open drive.
Upon activating this test button the signal to the
stepper motor will be forced to max. rpm
As long as the test button is activated, the
stepper motor will be forced to max. rpm
The test button also works when the Modbus
control is activated.
LED indicator
The OJ-DRHX series has a LED indicator - (see
fig. 6)
The LED can be observed both with an open
and closed cover.
LED indicators (see table 6.1)
Display
The display is visible with open and closed
covers.
The display shows the actual status of the drive,
stepper motor and rotor. (See table 2)
MODBUS
General
• OJ-DRHX can be controlled via Modbus RTU
according to Modbus protocol
• OJ-DRHX is factory set to "0-10V" range.
• When OJ-DRHX detects a start signal or
speed set point via Modbus, the OJ-DRHX
will automatically temporarily change to
control via Modbus RTU. The "0-10V"
signal is ignored. The function is re-set
automatically when OJ-DRHX is restarted.
• The OJ-DRHX can via the Modbus register
be locked so that it always is controlled
via Modbus. That means the 0-10V will
be ignored even when no active Modbus
communication is detected.
• For changing and reading the Modbus
register use the OJ-DRHX-PC-Tool or via for
example, the OJ-Air2 WEB user interface.
(See table 7)
4
Displays
Tabel 2
For more information see the unabridged
instructions on OJ's website.
http://www.ojelectronics.com/drhx
© 2017 OJ Electronics A/S
Actual stepper motor speed is shown when the stepper motor is
operating and there is no given rotor and pulley diameter via OJ-
DRHX PC Tool or the respective corresponding Modbus register
Actual rotor speed is shown with the stepper motor is operating
and there is a set rotor and pulley diameter via OJ-DRHX PC Tool
or the corresponding Modbus register. The display shifts between
torque and speed with a 2 sec. switch speed
Actual torque (Nm) The display shifts between torque and speed
with a 2 sec. switch speed
Error codes*, see the meaning of each error code under the sec-
tion "Alarms and Error Codes"
Operation with reduced function due to over-current, over-temper-
ature or another error or over-loading. Read the actual error/alarm
via Modbus.
Pure blowing function activated
Test function is activated and the stepper motor receives a control
signal for max. rpm revolutions.
Hold function is activated (Holding).
Stepper motor is in "STOP"