Velleman VDPSP0x - Manual (Page 5)

VDPSP0x
05.09.2011 ©Velleman nv 5
temperature.
• Keep this manual for future reference.
4. Features
• 1 input to 4 outputs (VDPSP04) / 1 input to 8 outputs (VDPSP08)
• DMX Thru
• electronic isolation between in-and output
• terminator button for last unit
• power and signal indicator
5. Overview
Refer to the illustrations on page 2 of this manual.
1 DMX in* 4 DMX out**
2 DMX thru* 5 LED indicators per channel
3 terminator button
* VDPSP04: 3 pins + 5 pins / VDPSP08: 3 pins
** VDPSP04: 4x 3 pins + 4x 5 pins / VDPSP08: 8x 3 pins
6. Installation
a) mounting
• Make sure to install the VDPSP0x in a dry location with a normal airflow for sufficient cooling.
b) DMX-512 connections
• Make sure all devices are switched off and disconnected from the mains before making any
connections.
• Connect an XLR cable to the XLR output of a controller (not incl.) and the other side to the male
XLR input [1] of the VDPSP0x.
• To link multiple VDPSP0xs obtain a suitable linking cable (not incl.). Connect the cable to the
female (=out) DMX Tru connector [2] of the VDPSP0x and the other end to the male (=in)
DMX in connector [1].
Notes:
• Do not use both 3-pin and 5-pin input or output simultaneously (VDPSP04).
• The linking cable should be a dual core, screened cable with XLR input and output
connectors.
• Maximum recommended serial data link distance is 500 meters (1640 ft). Maximum
recommended number of fixtures on a serial data link is 32 fixtures.
• On the last VDPSP0x in the chain, enable the DMX terminator by pressing the terminator
button [3]. The terminator prevents corruption of the digital control signal by electrical noise.
• Connect your DMX devices (not incl.) to the female output ports [4].
VDPSP04: only use either the 3-pin or 5-pin output connector of an output channel; never
connect DMX devices to both output ports at the same time.
Note: every last device on a DMX chain connected to an output [4] of the VDPSP0x must get
its own terminator. The DMX terminator is simply an XLR plug with a 120Ω resistor between
pins 2 and 3, which is then plugged into the XLR output socket of the last device in the chain.
7. Operation
• Have a qualified electrician carry out the electrical connection.
• Connect the device to the mains with the power plug. All fixtures must be powered directly off a
grounded switched circuit and cannot be run off a rheostat or dimmer circuit, even if the rheostat
or dimmer channel is used solely for 0% to 100% switch.
• The red LEDs [5] switch on when the DMX output channels are powered; the green LEDs [5]
indicate the presence of a DMX signal on the indicated channel.
8. Cleaning and maintenance
• This unit does not need regular maintenance.
• All screws should be tight and free of corrosion.
• The electric power supply cables must not show any damage. Have a qualified technician maintain
the device.
• Regularly remove dust from the housing and the air vents using a slightly damp cloth.
• There are no user-serviceable parts inside. Refer to an authorized dealer for service and/or spare
parts.