viii 
6.11.6 Check functions ............................................................................................................................. 6-225 
6.11.6.1 Option installation check........................................................................................................ 6-225 
6.11.6.2 I/O check................................................................................................................................ 6-225 
6.12  DIO Expansion Card OPC-VG1-DIO .................................................................................................. 6-226 
6.12.1 Product overview ........................................................................................................................... 6-226 
6.12.2 Models and specifications.............................................................................................................. 6-227 
6.12.2.1 Models.................................................................................................................................... 6-227 
6.12.2.2 Specifications......................................................................................................................... 6-228 
6.12.3 Dimensions .................................................................................................................................... 6-231 
6.12.4 Basic schematic diagrams .............................................................................................................. 6-232 
6.12.4.1 Basic schematic diagram (DIOA) .......................................................................................... 6-232 
6.12.4.2 Basic schematic diagram (DIOB) .......................................................................................... 6-233 
6.12.5 Function codes ............................................................................................................................... 6-234 
6.12.5.1 DIOA selected ........................................................................................................................ 6-234 
6.12.5.2 DIOB selected........................................................................................................................ 6-235 
6.12.6 Check function............................................................................................................................... 6-236 
6.12.6.1 Mounting check on optional cards ......................................................................................... 6-236 
6.12.6.2 I/O check................................................................................................................................ 6-236 
6.13  AIO Expansion Card OPC-VG1-AIO .................................................................................................. 6-237 
6.13.1 Product overview ........................................................................................................................... 6-237 
6.13.2 Models and specifications.............................................................................................................. 6-238 
6.13.2.1 Models.................................................................................................................................... 6-238 
6.13.2.2 Specifications......................................................................................................................... 6-239 
6.13.3 Dimensions .................................................................................................................................... 6-240 
6.13.3.1 Specifications......................................................................................................................... 6-241 
6.13.4 Function codes ............................................................................................................................... 6-242 
6.13.5 Check function............................................................................................................................... 6-243 
6.14  Optional PG Changeover Card MCA-VG1-CPG (available soon)....................................................... 6-244 
6.14.1 Product overview ........................................................................................................................... 6-244 
6.14.2 Model and specifications ............................................................................................................... 6-244 
6.14.2.1 Model ..................................................................................................................................... 6-244 
6.14.2.2 Specifications......................................................................................................................... 6-244 
6.14.3 Dimensions .................................................................................................................................... 6-245 
6.14.4 Installation method......................................................................................................................... 6-245 
6.14.5 Basic schematic diagram.................................................................................................
............... 6-246 
6.14.6 Operation method........................................................................................................................... 6-248 
6.15 E-SX Bus Interface Card OPC-VG1-ESX............................................................................................ 6-249 
6.15.1 Product overview ........................................................................................................................... 6-249 
6.15.2 Model and specifications ............................................................................................................... 6-249 
6.15.2.1 Model ..................................................................................................................................... 6-249 
6.15.2.2 Specifications......................................................................................................................... 6-250 
6.15.3 External dimension drawings......................................................................................................... 6-252 
6.15.4 Basic connections........................................................................................................................... 6-253 
6.15.5 Related function codes ................................................................................................................... 6-255 
6.15.6 Protective operations...................................................................................................................... 6-256 
6.15.6.1  Light alarms and heavy alarms in E-SX bus communication (
er4
 ).................................... 6-256 
6.15.6.2  E-SX related alarms (
are
, 
arf
 ) ........................................................................................ 6-259 
6.15.6.3 Other inverter alarms.............................................................................................................. 6-259 
6.15.7 Data addresses (IQ area) ................................................................................................................ 6-260 
6.15.7.1 Supported formats .................................................................................................................. 6-260 
6.15.7.2 Input/output data address assignments................................................................................... 6-260 
6.15.8 Format details................................................................................................................................. 6-261 
6.15.8.1  I area (MICREX-SX ← FRENIC-VG).................................................................................. 6-261 
6.15.8.2  Q area (MICREX-SX → FRENIC-VG) ................................................................................ 6-263 
6.15.9 Data transmission examples........................................................................................................... 6-264 
6.15.10  Synchronization of E-SX bus tact cycle and inverter control cycle ............................................... 6-266 
6.15.10.1 Conditions required for tact synchronization ......................................................................... 6-266 
6.15.10.2  Checking the tact synchronization status ............................................................................... 6-266