Inovance MD880 Series - Electrical Connection of HPCU; Applications of HCU; SLOT Expansion

4 HCU Control Module
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4.8.3 Electrical Connection of HPCU
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Figure 4-8 Electrical connection
Table 4-8 Description of HPCU components
No. Name
1 HCU control module
2 24 V external power supply
3 HPCU parallel control module
4 Optical 󶍾ber communication interface
5 AC drive
4.9 Applications of HCU
4.9.1 SLOT Expansion
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Di󶍽erent function modules are available in the HCU application. The function
modules are installed directly in the SLOT slots of the HCU.
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The HCU only has three SLOT slots. When more modules are needed, install HOFM
and HESD expansion modules. Each HESD can connect to one function module.