Chapter 7 High-speed Counter Module AH02HC/AH04HC 7.2.7 Profile of AH04HC-5A RUN 1 04HC 2 3 E RRO R 4 5 CN1 7.2.8 Arrangement of Input/Output Terminals AH02HC-5A Function Function Terminal Count Count Terminal X0.8+ CntA0+ X0.0+ Rst0+ X0.8- CntA0- X0.0- Rst0- X0.9+ CntB0+ X0.1+ Rst1+ X0.9- CntB0- X0.1- Rst1- X0.10+ CntA1+ Y0.8 Out0 X0.10- CntA1- C0 COM0 X0.11+ CntB1+ Y0.9 Out1 X0.11- CntB1- C1 COM1 7-7 6 7 9 8 10 Number Name Description 1 Model name Model name of the module Operating status of the module RUN LED indicator 2 ON: The module is running. (green) OFF: The module stops running. ERROR LED Error status of the module 3 indicator (red) Blink: The module is abnormal.
4 USB port Providing the mini USB communication interface 5 Connector Connecting the module and an I/O extension cable 6 Extension port Updating the firmware 7 Label Nameplate 8 Set screw Fixing the module 9 Connector Connecting the module and a backplane 10 Projection Fixing the module