Slide Switch Setting Method - Hisense HCPC-H2M1C Installation Instructions Manual

2 Installation construction

2.4 Slide Switch Setting Method

Slide switch
SW12
(MCU operation
mode)
SW3
(RS-485 circuit)
DSW3
(H-NET)
SW11
(function code)
SW9 (reserve)
DSW2
(RS-485 terminal
resistance）
Table 2.4 Slide Switch Setting Table
Purpose
bit1 OFF : None
bit2 OFF : None
bit3 ON : MCU normal operation
bit4 OFF : None
bit5 OFF : None
bit6 OFF : None
bit7 OFF : None
bit8 OFF : None
bit1 OFF : None
bit2 OFF : None
ON : RS-485 circuit enable
bit3
OFF : RS-485 circuit disable
ON : RS-485 circuit enable
bit4
OFF : RS-485 circuit disable
bit5 OFF : None
bit6 OFF : None
bit7 OFF : None
bit8 OFF : None
ON : H-NET circuit terminal resistance
75Ω is available
bit1
OFF : H-NET circuit terminal
resistance 75Ω is not available
bit2 ——
ON : External output 1 enable
bit1
OFF : External output 1 disable
ON : External output 2 enable
bit2
OFF : External output 2 disable
ON : Single board constant speed
machine is connected to the system
bit3
OFF : No single board constant speed
machine is connected to the system
bit4 OFF : None
bit5 OFF : None
bit6 OFF : None
bit7 OFF : None
bit8 OFF : None
—— ——
bit1 ON : None
ON : RS-485 circuit terminal resistance
120Ω is available
bit2
OFF : RS-485 circuit terminal
resistance 120Ω is not available
Factory setting
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
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Remark
Please do not change.
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When terminal resistance of the
product is available, please ensure to
confirm there's no terminal resistance
in the same H-NET.
——
——
——
——
——
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Please ensure there's terminal
resistance to be connected at both
ends of the RS-485 communication
circuit.