User manual CRESTRON CNXAO-8

[. . . ] Crestron CNXAO-8 CNX Analog Output Expansion Card Contents CNX Analog Output Expansion Card: CNXAO-8 1 Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Physical Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Leading Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Turn pots counter clockwise (CCW) to decrease voltage. Lower Limit Adjustment If the need exists, it is possible to set a different offset voltage for each output in a group. This lower limit adjustment procedure sets the low-end voltage value. Use a screwdriver to adjust the OFFSET A1 pot so that the voltmeter reads ­5 VDC. Repeat "Lower Limit Adjustment" steps 1 through 3 for the remaining group A outputs (A2, A3, and A4). Upper Limit Adjustment This upper limit adjustment procedure sets the high-end voltage value. This adjustment only needs to be set for one utilized output in the group. Connect a voltmeter between any group A output (A1 through A4) and group A ground. Use the VT Pro program to set the A1 output to its highest level (100%). Use a screwdriver to adjust the SPAN A pot so that the voltmeter reads +5 VDC. Repeat "Lower Limit Adjustment" steps 1 through 4 and "Upper Limit Adjustment" steps 1 through 3 to set the adjustment for the group B outputs. These steps only need to be completed once for each group per application. Once completed, proceed to the fine tuning portion of the procedure. 4 · CNX Analog Output Expansion Card: CNXAO-8 Operations Guide - DOC. 8142 Crestron CNXAO-8 CNX Analog Output Expansion Card Fine Tune the Voltage Span Only one utilized output per group needs to be fine tuned to guarantee minimal tolerance of the voltage span and offset for the CNXAO-8. The procedure below defines the steps necessary to fine tune one output at a time. Use the VT Pro program to set the A1 output to its midpoint level (50%). Use a screwdriver to adjust the OFFSET A1 pot so that the voltmeter reads 0 VDC. Use the VT Pro program to set the A1 output to its highest level (100%). Use the screwdriver to adjust the SPAN A1 pot so that the voltmeter reads +5 VDC. Repeat "Fine Tune the Voltage Span" steps 4 and 5 until tolerance is satisfactorily minimized. Repeat "Fine Tune the Voltage Span" steps 1 through 6 for the remaining group. Programming with SIMPLTM Windows SIMPL (Symbol Intensive Master Programming Language) is an easy-to-use programming language that is completely integrated and compatible with all Crestron system hardware. SIMPL Windows offers drag and drop functionality in a familiar Windows® environment. SIMPL Windows is Crestron Electronics' software for programming Crestron control systems. It provides a well-designed graphical environment with a number of workspaces (i. e. , windows) in which a programmer can select, configure, program, test, and monitor a Crestron control system. The next two subsections describe a sample SIMPL Windows program that utilizes the CNXAO-8. [. . . ] To obtain warranty service for CRESTRON products, contact the factory and request an RMA (Return Merchandise Authorization) number. Enclose a note specifying the nature of the problem, name and phone number of contact person, RMA number, and return address. Products may be returned for credit, exchange, or service with a CRESTRON Return Merchandise Authorization (RMA) number. Authorized returns must be shipped freight prepaid to CRESTRON, Cresskill, N. J. , or its authorized subsidiaries, with RMA number clearly marked on the outside of all cartons. [. . . ]