330106-05-30-10-02-00 BENTLY 变送器

BENTLY 3500/15
BENTLY 1900/65A-00-00-02-00-00
BENTLY 1900/65A
BENTLY 3500/15
BENTLY 3500/42M
BENTLY 9200-03-05-10-00
BENTLY 9200-01-05-10-00
BENTLY 176449-08
BENTLY 146031-01
BENTLY 1900/65A
BENTLY 135473-01
BENTLY 136180-01
BENTLY 149369-01
BENTLY 163179-01

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Description

对于PLC系统供电的电源,一般都采用隔离性能较好电源,而对于变送器供电的电源和PLC系统有直接电气连接的仪表的供电电源,并没受到足够的重视,虽然采取了一定的隔离措施,但普遍还不够,主要是使用的隔离变压器分布参数大,抑制干扰能力差,经电源耦合而串入共模干扰、差模干扰。

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