描述
保护地(CG,Cabinet Grounding)
是为了防止设备外壳的静电荷积累、避免造成人身伤害而采取的保护措施。DCS系统所有的操作员机柜、现场控制站机柜、打印机、端子柜等均应接保护地。保护地应接至厂区电气专业接地网,接地电阻小于4Ω。
MODICON AS-P451-522 REMOTE I/O PROCESSOR 200 SERIES
SIEMENS 6SN1130-1AA12-0BA0 SIMODRIVE
TOSHIBA SRLA-2033 2N3N2033-A BOARD SRLA2033
OKUMA DC-S3A DC POWER SUPPLY FOR 4 AXES
FANUC A06B-0376-B576 AC SERVO MOTOR
FUJI ELECTRIC S483T POWER SUPPLY
SUMITOMO CHHX-4135-87/T90/A200 CYCLO DRIVE
FANUC B-582583 or B582583 SERVOMOTOR
ZAE EGS8 105662/8 or EGS8105662-8 GETRIEBE
ZAE EGS8 105662/5 or EGS8105662-5 GETRIEBE