Baumer GXM7W Bedienungsanleitung PDF herunterladen (Seite 7)

Manual_RS485_SLIN_BIDE_EN.doc 7/7 Baumer IVO GmbH & Co. KG

04.05.11 Villingen-Schwenningen, Germany

3.3. Check sum

Position data are added up to equal the check sum. Completed by address and control bit, the value

configures the encoder control word (footer word).

M_CHECK_SUM:

CLR C ;

MOV A,RESPONSE_SLIN_BYTE1 ; 1. byte position data

ADD A,RESPONSE_SLIN_BYTE2 ; 2. byte position data (if relevant)

ADD A,RESPONSE_SLIN_BYTE3 ; 3. byte position data (if relevant)

ADD A,RESPONSE_SLIN_BYTE4 ; 4. byte position data (if relevant)

; configure control word

ANL A,#70h ;

ORL A,TLNADR ; OR user address

SETB ACC.3 ; set bit 2**3 signature control word

SETB ACC.7 ; set bit 2**7 signature control word

MOV CONTROL_WORD,A ; control word completed

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Baumer GXM7W Bedienungsanleitung Seite 7