描述
PLC系统接地要求比较严格，最好有独立的专用接地系统，还要注意与PLC有关的其他设备也要可靠接地。多个电路接地点连接在一起时，会产生意想不到的电流，导致逻辑错误或损坏电路。
FISHER ROSEMOUNT PROVOX CIA CARD DH7001X1-A3 & CL7651X1
FISHER PROVOX COMMUNICATION INTERFACE CL7652X1-A2
FISHER PROVOX CL7661X1-BA1 MPU/MEM CL7661X1-A5 MPU P2.2
FISHER ROSEMOUNT PROVOX MPU MULTILAYER CL7661X1-A11
ROSEMOUNT FISHER PROVOX RCIA CARD CL7701X1-A1
FISHER PROVOX SMART INPUT MODULE CL6827X1-A1 REV E P3.1
FISHER PROVOX MUX SERIAL INTERFACE CARD CP6601X1-CA3
ROSEMOUNT FISHER PROVOX MUX INTERFACE CP6601X1-CA1
ROSEMOUNT FISHER PROVOX CIA11 CARD DH7721X1-A1
Fisher Rosemount Provox Data Highway II CIAII 2 DH7721
