the systems people Owners Manual VCMS Switch Panel System Model VCMS-SP34

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1 Owners Manual VCMS Switch Panel System Model VCMS-SP34 1. Product Description The Switch Panel System consists of a eight-position switch module, two six-output power modules and a 10 ft. communications logic cable. It is used in applications that require the driver to operate auxiliary vehicle 12 volt devices such as interior and exterior lights, heaters, warning lights, beacons, pumps, etc. The system consists of a VCMS-SM8 Switch Module with eight push buttons that are back lighted to allow easy night viewing. Each push button accomodates a custom legend and contains a status LED that indicates if the switch is on or off. The anodized aluminum case features a low profile measuring only 0.55 inches high, allowing mounting location flexibility. It is mounted to a flat panel via four 0.70 inch long 6-32 threaded studs. The case design is an aluminum two-piece clamshell held together by two screws on each side. The module can be easily opened to install the switch legends. The module contains a 10-position connector on the rear for the communications logic cable connection. A mounting cutout template is shown in Figure 3. The system s VCMS-PM1 power modules are remotely located from the switch module and connected with the communications logic cable. Each power module contains six 12 volt 15 amp outputs for powering the auxiliary loads. The power module has a maximum current rating of 60 amps (total of all six outputs). The outputs provide automatic shutdown protection for short circuit and overload conditions. Three +12 volt () terminals are provided for the incoming power. Each terminal must be connected to the battery with an individually fused (20 amp) wire. Note that all six internal power switches are powered from a common 12 volt bus that is connected to the three +12 volt terminals. A mechanical drawing of the VCMS-PM1 Power Module can be seen in Figure 4. The power module s four digital inputs allow external signals to be monitored by the system. These signals are voltage levels between zero volts (chassis ground) and battery voltage. Typically these inputs are from a contact closure such as a switch to either ground or +12 volts. The VCMS application program defines each input as actuated by either a ground or +12 volt input. The program for this system uses input I-1 to monitor the Ignition Switch status so it is activated by a +12 volt signal. Wiring terminations for the power outputs, digital inputs and the +12 volt supply utilize 0.25 inch faston blade terminals. The communications interface utilizes a 10-pin connector. Input I-1 (Ignition On) activates the switch back lights and enables switch operation. Each switch is programmed to operate as 2-position latching (push to turn on, push again to turn off). Each of the switches SW1 through SW8 operate their respective power outputs Output 1 through Output 8, providing that the Ignition Switch (Input I-1) is on. The system also provides four auxiliary outputs (Aux A Out, Aux B Out, Aux C Out and Aux D Out) that are operated from auxiliary inputs Aux A In, Aux B In, Aux C In and Aux D In. See Section 4, Operation for more details. 1 of 6

2 VCMS-SP34 System Input/Output Diagram Switch Module Switch Functions/Legends SW1 ( 2 ) SW3 ( 2 ) SW5 ( 2 ) SW7 ( 2 ) SW1 SW3 SW5 SW7 SW2 SW4 SW6 SW8 SW2 ( 2 ) SW4 ( 2 ) SW6 ( 2 ) SW8 ( 2 ) Logic Cable Length: 10 ft. VCMS-MOD1 Power Module Key: M = Momentary 2 = Off-On1 3 = Off-On1-On2 System Inputs Ignition Switch Aux A In Aux B In Aux C In Ground Inputs I-1 I-2 I-3 I-4 GND Controller Outputs O-1 O-2 O-3 O-4 O-5 O-6 System Outputs Switch 1 Output Switch 2 Output Switch 3 Output Switch 4 Output Switch 5 Output Switch 6 Output +12 Volt Battery VCMS-MOD2 Power Module Logic Cable Length: 1 ft. System Inputs Aux D In Inputs I-1 I-2 Controller Outputs O-1 O-2 O-3 System Outputs Switch 7 Output Switch 8 Output Aux A Output Programmable - Ground to set or +12 volts to set. Ground I-3 I-4 GND O-4 O-5 O-6 Aux B Output Aux C Output Aux D Output +12 Volt Battery FIgure 1 2 of 6

3 Model SM-8 8-Position Switch Module Logic Cable Connector LEGEND LEGEND LEGEND LEGEND Threaded Stud (4) LEGEND LEGEND LEGEND LEGEND Figure 2 8-Position Switch Module Mounting Cutout Detail 1.25 Cutout for connector Diameter (For #6-32 screw) 4.33 Not to scale. Figure 3 3 of 6

A set of legend sheets is furnished with each system offering a wide variety

A matrix of forty legends are printed on each sheet of special photographic

The desired legends are cut out, then placed in the switch caps, followed by

Figure 5 through Figure 10 shows the assembly stages of the switches.

4 VCMS-PM1 Power Module Figure 4 2. Switch Legends The Switch Modules design allows for easy installation of switch legends. Each push button switch contains a separate molded switch cap. A set of legend sheets is furnished with each system offering a wide variety of switch legend descriptions. A matrix of forty legends are printed on each sheet of special photographic paper. The desired legends are cut out, then placed in the switch caps, followed by the light diffusers. No adhesive is required. Figure 5 through Figure 10 shows the assembly stages of the switches. Figure 5 - Switch Module fully assembled. Figure 6 - Switch Module with top case removed. Figure 7 - Switch Cap with printed legend and light diffuser assembled. Figure 8 - Switch cap, printed legend and light diffuser. Figure 9 - Switch cap with printed legend installed. Figure 10 - Switch Cap with printed legend and light diffuser installed. 4 of 6

5 3. Installation 3.1 Getting Started Determine the best location for the switch module and the power modules. Allow for the routing of the communications logic cable between the modules. We recommend installing the cable in a cable loom for protection. You will need a crimping tool for the 0.25 inch faston blade terminals. Be sure to follow the crimping tool instructions for the proper wire size and terminals. The VCMS Input/Output diagram (Figure 11) is a key reference document in that is shows how the modules are configured. It also should be used to capture the switch legend descriptions used and the names of the 12 volt auxiliary devices being controlled by the system. Complete this document and keep it for a record of the as installed system. 3.2 Mount the Switch Module Mount the switch module on a flat surface or mounting bracket using the four #6-32 threaded studs to secure the module to the panel. You will need to make a cutout for the logic cable connector (See Figure 3). Connect the logic cable to the switch module and route the cable to the power module. 3.3 Mount the Power Modules Determine the best location for the power modules. Consider the routing of the interconnecting logic cable that attaches to the 10-pin connector on the top of the module. Also take into consideration the routing of the wires to the power outputs, inputs and the +12 volt fused power source. 3.3 Mount the Power Modules Determine the best location for the power modules. Consider the routing of the interconnecting logic cable that attaches to the 10-pin connector on the top of the module. Also take into consideration the routing of the wires to the power outputs, inputs and the +12 volt fused power source We recommend mounting the power module to a flat metal surface. This allows the transfer of heat from the module when operating high current draw loads. Mount the module using four 6-32 screws and lock washers. Do not drill out the mounting holes to accept larger screw sizes. This will break the module s ground connection. Do not over tighten the mounting screws The wiring terminals on the power module are male ¼ inch faston blade terminals. You will need to attach insulated female terminals to the wires. Use a good quality crimping tool and follow the manufacturer s instructions for the correct terminal types for the wire size. NOTE We recommend using wire tags that allow proper wire identification in the event the wires are removed at a later date Wire the ground (GND) terminal to a good quality vehicle ground (Battery Negative). It is important that this ground is connected to the power module before the interconnecting logic cable is connected Wire the six module output terminals (O-1, O-2, O-3, O-4, O-5 & O-6) to the correct auxiliary loads using the VCMS Input/Output Diagram (Figure 11) for reference. Note that some outputs may not be used. NOTE If inductive loads (motors, coils, etc.) are used it is important that these devices contain a diode suppressor across the device Wire the digital input terminal I-1 to a source of +12 volt power that is activated only when the Ignition Switch is On Locate the +12 volt battery power source. Install three 20 amp fuses at the power source as shown on the system s InPut/Output Diagram (Figure 1). Install wires of suitable size for the amperage and length from the three fuses to the three terminals on the power module. Be sure to determine the current draw of the six power outputs to ensure that the power module is not overloaded. The maximum current draw of the combined loads cannot exceed 60 amps. If the +12 volt power source is directly connected to the vehicle battery, note that a VCMS configuration with a single power module with all switches and back lights off will draw about 16 milliamps of power. Alternatively, you may obtain the +12 volts power from an ignition switch-activated power source. 5 of 6

6 4. Operation Turn the Ignition Switch to the On position. The switch module s back lights will illuminate. Operating any push button on the switch module will cause its status LED to turn on and the corresponding power module output to be activated. Each switch is programmed to operate as a 2-position latching (push to turn on, push again to turn off). This system is programmed to operate as follows: Switch Functions: Switch Power Module Output SW1 Output 1 Out O-1 Mod 1 SW2 Output 2 Out O-2 Mod 1 SW3 Output 3 Out O-3 Mod 1 SW4 Output 4 Out O-4 Mod 1 SW5 Output 5 Out O-5 Mod 1 SW6 Output 6 Out O-6 Mod 1 SW7 Output 7 Out O-1 Mod 2 SW8 Output 8 Out O-2 Mod 2 Auxiliary Functions: InPuts Power Module Output Aux A In I-2 Mod 1 AND Ignition I-1 Mod 1 Aux A Out O-3 Mod 2 Aux B In I-3 Mod 1 AND Ignition I-1 Mod 1 Aux A Out O-3 Mod 2 Aux C In I-4 Mod 1 AND Ignition I-1 Mod 1 Aux A Out O-3 Mod 2 Aux D In I-1 Mod 2 AND Ignition I-1 Mod 1 Aux A Out O-3 Mod 2 Note that if a switch is activated and the Ignition Switch is turned off the power module output will turn off and the switch will be reset to its Off position. 6 of 6

SP Switch Programmable Switch Panel Power System. Parts Included

SP Switch Programmable Switch Panel Power System. Parts Included SP8100 8-Switch Programmable Switch Panel Power System Parts Included 1 Switch Panel 1 100 amp Power Module 1 Power Module Harness 1 Power Module Mounting Plate 1 Battery Cable w/100a MIDI fuse (Littlefuse