4.4 Allocation of FP0 Expansion Unit4.4.1 I/O AllocationThe FP0 expansion unit is installed on the right side of the FP0 expansion adapter.The I/O numbers are allocated from the unit nearest to the expansion FP0 adapter in ascending order.4.4.2 Number of Expansion Units and I/O AllocationOnly one expansion FP0 adapter can be connected at the last position of the FP-X expansion bus.The I/O allocation varies depending on the installation location of the expansion FP0 adapterExpansion location Expansion unit 1 Expansion unit 2 Expansion unit 3Expansion 1st unit X300 to X31F X320 to X33F X340 to X35FY300 to Y31F Y320 to Y33F Y340 to Y35FExpansion 2nd unit X400 to X41F X420 to X43F X440 to X45FY400 to Y41F Y420 to Y43F Y440 to Y45FExpansion 3rd unit X500 to X51F X520 to X53F X540 to X55FY500 to Y51F Y520 to Y53F Y540 to Y55FExpansion 4th unit X600 to X61F X620 to X63F X640 to X65FY600 to Y61F Y620 to Y63F X640 to X65FExpansion 5th unit X700 to X71F X720 to X73F X740 to X75FY700 to Y71F Y720 to Y73F Y740 to Y75FExpansion 6th unit X800 to X81F X820 to X83F X840 to X85FY800 to Y81F Y820 to Y83F Y840 to Y85FExpansion 7th unit X900 to X91F X920 to X93F X940 to X95FY900 to Y91F Y920 to Y93F Y940 to Y95FExpansion 8th unit X1000 to X101F X1020 to X103F X1040 to X105FY1000 to Y101F Y1020 to Y103F Y1040 to Y105FNote) The ranges of the I/O numbers which are actually used differ depending on the units.Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com