CNT16-8 (FIT) GY is an extension module (device module) that enters the pulse signal from the external device and up counts.Connect to the F & Amp; EIT series I/O controller module CPU-CAXX (FIT) GY, microcontroller unit CPU-SBXX (FIT) GY.You can count the pulse signal due to up to eight photosappla insulation in one module.External power supply can be used within the range of 12 to 24VDC.- [Counter motor control] Bus F & EIT Function counter Motor CH number - Motor speed range - Number of counter CH 8ch count method 16bit up Counter response frequency 5kHz [F & EIT] Product Function/Type Device module [I/O Module] Function Counter Module Compatible head module Remote I/O [CPU-CA10] Remote I/O [CPU-CA20] Microcontroller [CPU-SB10] Micro controller [CPU-SB20] Micro controller [CPU-SB30] Monitoring & Control [SVR-MMF]Monitoring & control [SVR-mmf2]