Watlow 12LS Controller Manual do Utilizador descarregar pdf (Página 33)

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ANAFAZE 12LS connections for a single unit are as follows:

Black Box 12LS

LD485A TB 1

TXA ---------------------------------------- RX+ #25 ---||

¦¦ 200 Ω-

TXB ---------------------------------------- RX- #23 ---||

RXA ---------------------------------------- TX+ #26

RXB ---------------------------------------- TX- #24

Shield ----- Earth Ground ------- Shield Do not Ground

|-----------------------------------------------------|

¦ NOTE: Connect the shields to EARTH ground only at ¦

¦the computer or other 485 interface. No shield ¦

¦connection is required at the 12LS. Connect a 200_ ¦

¦ terminating resistor between RX- and RX+ at the 12LS¦

|-----------------------------------------------------|

For multiple units connect the system in parallel as follows:

Black Box 12LS 12LS

LD485A [1] [n]

TXA --------------- RX+ #25 ------------------ RX+ #25 ---||

¦¦ 200Ω

TXB --------------- RX- #23 ------------------ RX- #23 ---||

RXA --------------- TX+ #26 ------------------ TX+ #26

RXB --------------- TX- #24 ------------------ TX- #24

Ground -----------O---------O---------------- Do not Ground

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Watlow 12LS Controller Manual do Utilizador Página 33