Matrix-orbital PK202-24-USB Manual de usuario descargar pdf (Pagina 26)

Table 10: Continued / Size Byte

Bit Description

7 Continued

3 Packet Size

Table 11: Display Return Protocol Types

Decimal Hex ASCII Description

49 0x31 ’1’ 1-Wire data

82 0x52 ’R’ Fan RPM data

5.2 Fan and GPO Commands

5.2.1 General Purpose Output Off (254 86 [gpo #])

This command turns OFF any of the general purpose outputs. [gpo #] is 1 to 6.

5.2.2 General Purpose Output On (254 87 [gpo #])

This command turns ON any of the general purpose outputs. [gpo #] is 1 to 6.

5.2.3 PWM Value (254 192 [fan #] [PWM value])

This command sets one of the high power GPOs (GPOs 1-3) into PWM mode. This permits speed

control of a fan. A PWM value of 0 is off, 128 is 50% power, and 255 is full power. The fan # can be 1 to 3.

5.2.4 Return Fan RPM (254 193 [fan #])

This command will return a packet to the host with the fan RPM contained in it. The structure of the fan

is described in the Table below.

Matrix Orbital PK202-24-USB 22

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 47 48

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Matrix-orbital PK202-24-USB Manual de usuario Pagina 26