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System installation
HSI interface
The HSI is a hard-wired transmission interface which converts inspection probe signals
into voltage-free solid state relay (SSR) outputs for transmission to the CNC machine
controller. The maximum SSR output operating current is 50 mA.
Typically, installed within the CNC machine controller’s cabinet, and located away from
sources of interference such as transformers and motor controls, the HSI can draw its
power from the machine’s nominal 12 Vdc to 30 Vdc supply. Where such a supply is not
available, the HSI can be powered using any 12 Vdc to 30 Vdc (minimum 0.5 A) power
supply.
The HSI has a maximum input voltage range of 11 Vdc to 30 Vdc. The supply is
protected by a 140 mA self-resetting fuse. To reset the fuse, remove the power then
identify and rectify the cause of the fault.
An ‘inhibit’ function is included, and a facility to drive an external probe status LED.
For information about probe inhibit function and probe status, please refer to the HSI
Installation Guide (H-5500-8554).
Содержание HPGA
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