C-5
Scanner
®
2000 microEFM Appendix C
7KH¿HOGEXVLQWHUIDFHERDUGLQFOXGHVWHUPLQDOVIRUFoundation¿HOGEXVSRZHUFRPPXQLFDWLRQV
$ZKLWHSRWWHG¿HOGEXVPRGXOH)LJXUH&SDJHC-5LVDWWDFKHGWRWKH¿HOGEXVLQWHUIDFHERDUGEXWLWKDV
QRFXVWRPHULQSXWVRXWSXWV,WLVXVHGVROHO\IRUFRQYHUWLQJ0RGEXV
®
signals received from the main board to
Foundation¿HOGEXV+SURWRFROWKDWFDQEHUHDGDQGWUDQVPLWWHGYLDD¿HOGEXVQHWZRUN
Fieldbus Cable
8VHRQO\7\SH$WZLVWHGVKLHOGHGSDLUFDEOHWRFRQQHFWWKH¿HOGEXVQHWZRUNWRWKH6FDQQHU7RKHOS
SUHYHQWQRLVHWKHVKLHOGVKRXOGFRYHUDWOHDVWSHUFHQWRIWKHWRWDOZLUHOHQJWK
)RUEHVWSHUIRUPDQFHDGKHUHWRWKHIROORZLQJEHVWSUDFWLFHVIRUZLULQJ
1HYHUUXQLQVWUXPHQWFDEOHQH[WWRSRZHUFDEOHVLQFDEOHWUD\VRUQHDUKHDY\HOHFWULFDOHTXLSPHQW
0DNHVXUHWKHFDEOHLVFRQWLQXRXVO\FRQQHFWHGWKURXJKRXWWKH¿HOGEXVVHJPHQW
0DNHVXUHWKHFDEOHLVVHFXUHO\FRQQHFWHGWRDQHDUWKJURXQGQHDUWKHSRZHUVXSSO\FRQQHFWLRQ
If the shield is connected to the enclosure, ensure that the exposed shield connection is as short as pos-
VLEOHWRPLQLPL]HQRLVH
CAUTION Never connect an instrument signal conductor to a safety ground. Doing so could shut
GRZQWKHHQWLUH¿HOGEXVVHJPHQW
Basic Wiring
$VWDQGDUG6FDQQHUZLWK097KDVWZRFRQGXLWRSHQLQJVLQWKHWRSRILWVKRXVLQJIRU¿HOGZLULQJ
The following procedure describes the steps for wiring a standard Scanner 2000 for operation using the
¿HOGEXVSRZHUVXSSO\DQGRQHDGGLWLRQDOLQSXWRURXWSXW,IDGGLWLRQDOLQSXWVRXWSXWVDUHUHTXLUHGDWHUPLQDO
KRXVLQJMXQFWLRQER[LVUHFRPPHQGHG6HH7HUPLQDO+RXVLQJSDJH$ and 7HUPLQDO+RXVLQJ:LULQJ2SWLRQV
page C-8
Fieldbus interface board
Fieldbus module
Main circuit board
Figure C.3—Circuit board arrangement