Notifier AM2020 Manual

Also see for AFP-200: Installation manual Instruction manual Manual

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Notifier AM2020 Manual Manual pdf 7 page image

7Document 50182 Rev A2 10/28/96 P/N 50182:A2Section Three: LCD-80TM Electrical ConnectionsTo next LCD-80TMFrom EIA-485 Source(refer to table below)LCD-80TMRefer to Appendix A for shieldtermination instructions.IMPORTANT: The LCD-80TM requires the connection of 24 VDC power in addition to the EIA-485 interface to operate.Table 2-1: EIA-485 ConnectionNotes:1) All connections are power-limited and supervised.2) A maximum of 32 LCD-80TMs may be connected to this circuit.3) 6000 feet maximum distance (@ 16 AWG) between the panel and the first or last LCD-80TM and between each additional LCD-80TM.4) Use overall foil/braided-shield twisted pair cable suitable for EIA-485 applications (refer to Appendix A for shield terminationinformation).5) The EIA-485 circuit is rated at 5.5 VDC maximum and 60 mA maximum.6) Each LCD-80TM must have R-120 resistors installed across the in and out terminals as shown.Figure 2-1: LCD-80TM EIA-485 Connection( - ) EIA-485(+) EIA-485(+) (-)EIA-485 CCM-1(AM2020/AFP1010) AFP-200 DIA(AM2020/AFP1010)OUT (-) Term. 4 P3-4 TB5-2 TB1-4RET (-) Term. 3 P3-3 TB5-4 TB1-3OUT(+) Term. 2 P3-2 TB5-1 TB1-2RET(+) Term. 1 P3-1 TB5-3 TB1-1www.PDF-Zoo.com