1576. External interfaces6-2-4. TALLY/GPIThis connector is provided with eight contact input ports (GPI In) for controlling the unit from an external device,31 ports (GPI Out) for outputting the tally and status information from the unit to the external device, and one port(ALARM Out) that is used exclusively as the alarm output.For details of the settings, refer to “5-7-3. Setting the GPI”.17 150 341833ComGPI OutALARM OutExample of GPI Out and ALARM connectionsEnsure that the conditions given below are satisfied.Dielectric strength: Max. DC 24 VCurrent: Max. 50 mAAV-HS450E (Max. voltage: 24 V)Tally LED(Max. current: 50 mA)ComGPI In+3.3 VExample of GPI In connectionsProvide contact inputs.AV-HS450ED-sub 50-pin, female, inch screwPin No. Signal name1 GPI In ComIN34 GPI In Com18 GPI In 12 GPI In 235 GPI In 319 GPI In 43 GPI In 536 GPI In 620 GPI In 74 GPI In 837 GPI Out ComA21 GPI Out 15 GPI Out 238 GPI Out 322 GPI Out 46 GPI Out ComB39 GPI Out 523 GPI Out 67 GPI Out 740 GPI Out 824 GPI Out ComC8 GPI Out 941 GPI Out 1025 GPI Out 119 GPI Out 1242 GPI Out ComD26 GPI Out 1310 GPI Out 1443 GPI Out 1527 GPI Out 1611 GPI Out ComE44 GPI Out 1728 GPI Out 1812 GPI Out 1945 GPI Out 2029 GPI Out ComF13 GPI Out 2146 GPI Out 2230 GPI Out 2314 GPI Out 2447 GPI Out ComG31 GPI Out 2515 GPI Out 2648 GPI Out 2732 GPI Out 2816 GPI Out ComH49 GPI Out 2933 GPI Out 3017 GPI Out 3150 ALARM Out