Hitachi 902 - Current Loop; RSDIST PC Board

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16.9.2 RSDIST PC Board
(1) External View
(2) Switch Setting
No. 1 ON : Current loop
OFF : RS-232C
No. 2
No. 3
No. 4
Always OFF
J405
(communication monitor)
J409
(to EMIO100 circuit board)
J402
(RS-232C/current loop)
SW 1
OFF
OFF
ON
1 2
3
4