MIT IMC-2e Instruction Sheet

IMC-2e Controller Instruction Sheet
This document defines the connections and operation of the MIT IMC-2e Controller with serial and Local Area
Network (LAN) interfaces.
1.0 Inputs
1.1 Digital Inputs
The unit has 12 optically-isolated inputs and 12 corresponding manual activation buttons on the front panel.
Inputs 1 through 7 are general purpose, defined by the user programming. See section 6 "Programming IMC-2e
Controller".
Inputs 8 through 12 are predefined with the following functions:
Input #8: Flat Format
Input #9: Scope Format
Input #10: Dimmer Up
Input #11: Dimmer Down
Input #12: Fire Alarm / Emergency Stop
There is also a reset button located at the right end of the panel that may be accessed with a toothpick, paper
clip, meter test probe or the like. This will re-initialize the unit the same as if power has been cycled.
1.2 Power Input
The unit is supplied with 12VDC power from an AC wall-mounted adapter, included with the unit.
2.0 Outputs
16 output relays are provided. The output relays each have the C, NO, and NC terminals brought out. There are
no commoning connections to these terminals internally, any bussing together must be done externally by the
user. Each relay has an LED on the front panel associated with it that indicates the status of the relay. See
Appendix A for the assignment these outputs as programmed for your specific unit.
3.0 Serial I/O
A standard subminiature DE9 connector is provided for serial communication. If you are interfacing via RS232
to a D-cinema server, see the Appendix for programming information required.
4.0 LAN I/O
An RJ45 connector is provided for network communication. You may connect to this input with a web browser
by typing the IP address shown on the label on the unit.
5.0 External Connection to inputs
Inputs 1 through 11 are commoned together and are designed to detect voltages of 5V to about 15V, AC or DC.
The Fire Alarm / Emergency input is isolated from the other inputs on the IMC and is designed for slightly higher
voltage, 10V-24V AC or DC to correspond with the voltages of typical fire panels. Regardless of the connection
scheme used for inputs 1-11, the Fire Alarm input must have its own connections to both pins on the terminal
block.
Figure 1 shows the preferred way to connect a remote device to the optical-isolated inputs 1-11. The method
avoids any power connection between the remote device and the IMC-2, reducing the likelihood of ground loops
or hums. The inputs on the IMC-2 are bi-directional, so pulses of either polarity are acceptable. The method of
Figure 1 is only available with remote equipment having its own source of power. A +5V source is provided on
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