All rights reserved. No part of this manual may be
reproduced, in any form or by any means, without
permission in writing from Martin Professional A/S,
Denmark.
Thank you for selecting the Martin 2518 DMX Controller. This ruggedly built, easy
to use controller of fers 72 -chann el DMX con trol and multi ple trigge ring op tions. Two
2518 DMX Controllers may be connected using the Tandem Connection Kit, P/N
91616005, to double the number of control channels and programmable scenes.
This manual describes the features programmed in CPU firmware version 2.2.
S
AFETY PRECAUTIONS
•The 2518 DMX Controller is not for domestic use.
•Use the device only as described.
•Do not expose the device to rain or moisture.
•Make sure the device is properly grounded.
•Do not operate the device with the cover removed.
•Immediately repair or replace damaged power cords.
•There are no user-serviceable parts inside; refer all service to a qualified technician.
The 2518 DMX Controller sends instructio ns through a serial data link . The link go es
from the controller’s output to the input of the first lighting fixture and then from the
fixture’s output to the input of the next fixture. It continues output-to-input in a d a isychain to all fixtures.
Adaptor cables may be re quired when building the data lin k. There are two differences to be aware of. First, both 3-pin and 5-pin XLR sockets are common. (Martin
fixtures have 3-pin XLR sockets. On fixtures that have 5-pin XLR sockets, pins 4 and
5 are not used.) Se con d, th e XLR socket s on so me most ly old er Mart in fixtu res su ch
as the RoboScan 812 are wired with the hot and cold data pins reversed in relation to
later Martin fixtures and DMX-compatible de vices. Se e Table 1. The XLR pin-ou t for
Martin products is always shown next to the socket.
AC Input MIDI Input
The 2518 XLR pin-out is DMX compatible!
5
No adaptors are required to connect th e 2518 DMX Con troller to Marti n f ixt ure intro-
Mal
F
Mal
F
Male
1
2
3
4
5
Female
1
2
3
P/N 11820003
Mal
F
Male
1
2
3
4
5
Female
1
2
3
P/N 11820005
Male
1
2
3
4
5
Female
1
2
3
4
5
-
duced since 1997 or any DMX-compatible fixture wit h 3-pin XLR connect ors. The
adaptors required to connect other fixtures are shown in Table 2.
StandardPin 1Pin 2Pin 3Pin 4Pin 5
Input
DMX
Martin
Polarity
Martin
pin 2 (+)
shieldcold (-)hot (+)-shieldhot (+)cold (-)--
Table 1: Martin and DMX Pin-Outs
Output
Martin
pin 2 (+)
pin 3 (-)
DMX
pin 2 (-)
pin 3 (+)
XLR3-pin3-pin 5-pin
e
pin 3 (-)
3-pin
emale
1
1
2
2
3
3
P/N 11820008
e
emale
1
1
2
2
3
3
P/N 11820006
e
Male
Female
1
1
2
2
3
3-pin
3
emale
1
1
2
2
3
3
6
DMX
pin 2 (-)
pin 3 (+)
P/N 11820008
Male
1
2
3
P/N 11820004
5-pin
P/N 11820006
Male
Female
1
1
2
2
3
3
4
5
P/N 11820002
Table 2: XLR Cable Requirements
Female
1
2
3
4
5
TO
BUILD THE SERIAL LINK
1.Use shielded twisted-pair cable.
with the right cable. Microphone cable cannot transmit DMX d ata rel iably
over long runs. For best results, use only cable designed for RS-485
applications. Your Martin dealer has a range of cables, connectors, and
adaptors designed for lighting control.
2.Starting from the controller, connect output to input.
pin-out on Martin fixtures and be sure to connect hot to hot and cold
to cold.
3.Never use a “Y” connector to split the link.
the serial link into branches use a dedicated splitter/amplifier such
as the Martin 4-Channel Opto-Isolated RS-485 Splitter.
4.Don’t overload the link.
can cause unpredictable performance. The control units for the
RoboColor IIx and RoboColor III systems, the Martin DMX Switch
Pack, and the Mar tin DMX Interface each count as 1 device.
5.Always terminate the link
plug in the output socket of the last fixture on the link. The termination plug, which is a male XLR connector with a 120 ohm resistor
soldered between pins 2 and 3, “soaks up” the control signal so it
cannot reflect back down the link. If a splitter is used, terminate
each branch of the link.
C
ONNECTING THE POWER SUPPLY
Placing more than 32 devices on a link
A reliable data connection begins
by installing the provided termination
Check the
If you need to split
For safe operation, the controller must be
grounded (earthed).
TO
INSTALL A PLUG
The 2518 DMX Controller is delivered without a plug on the power cord. Following
the manufacturer’s instructions, install an approved 3-prong grounding-type plug that
fits your supply. Connect the wires to the pins as listed below. If the pins are not
clearly identifie d, or if y ou ha v e an y dou bt s a b ou t proper installation, consult a qualified electrician.
WirePinMarkingScrew color
brownlive “L”yellow or brass
blueneutral“N”silver
yellow/greenground green
Table 3: Plug Wiring
7
section 3
A
DDRESS AND MODE SETTING
Each fixture connected to the serial link must have a unique address, also known as a
start channel, which is the first channel the controller uses to send instructions to the
fixture. If independent control is not required, two or more identical fixtures may use
the same address. They will receive the same instructions and behave identically.
You must know how many control channels each fixture requires before setting
addresses. This can be fo un d in the fixture’s user manual or DMX proto c ol.
Some Martin fixtures offer the option of “tracking” or “vector” control. The 2518
DMX Controller does not have cross-faders, which are required for programming
fades in tracking mode. Select vector mode when applicable: this allows you to program effect speeds on separate channels.
A
DDRESS SETTING
As you will see when you star t programming, it is best if all of a fixture’s channels
are assigned to one channel button. The buttons are divided into 12 groups of 6 channels as shown below. With two controllers connected in tandem mode, however, each
button controls 12 channe ls.
Table 4: Channel Groups and Settings (DIP-Switch Pins ON)
The address is often set on the fixture using a DIP-switch. Table 4 shows the DIPswitch pins that must be ON to set an address from 1 to 72.
Note that the DIP-switch may also be used to enabl e special optio ns. The Ma rtin Punisher X250 and Destroyer X250, for example, must be set with DIP-switch 10 on
8
when operated by a controller. Please refer to the user manuals for specific details on
address and mode setting.
A
DDRESSING EXAMPLE
Table 5 shows how you could assign addresses for the following Martin equipment.
•4 MX-1s
•2 Punisher X250s
•2 RoboScan 812s
•4 CX-2s
•1 SynchroZap QX250
•1 6-Channel DMX Switch Pack
Note that the four CX-2s share two sets of control channels and that all fixtures
except the RoboScan 812s have their control channels on a single button.
Button 1Button 2Button 3Button 4Button 5Button 6
1
7
13
19
25
31
2814202632
3915212733
4 1016222834
MX-1
MX-1
5 1117232935
Low channels
6 1218243036
37
3844
39
404652586470
414753596571
424854606672
High channels
4349
45
812
RoboScan
not used
2 CX-2
5056
5157
X250
Punisher
5561
812
RoboScan
Punisher
not used
2 CX-2
X250
6268
6369
SynchroZap
MX-1
67
QX250
Table 5: Example (Addresses shaded)
6 Channel
MX-1
Switch Pac k
9
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