how can I by the pulse connect to the Micrologix PLC

zhoudq · Post by **zhoudq** » Wed Jun 12, 2013 2:20 am

hello
I have a project use a pulse signal(10kHZ), but the pulse is a high voltage differential line signal.(the product of KEYENCE, model GT2-71D ),now I by the GT2-71D connect to the 1762-L24BXB,in0,in1,in2,they are setup the high speed counter mode, Input filters is 100us, then i try the GT2-71D,the product indicate the pulse mode is running,but the 1762-L24BXB, in0, in1, in2 are not indicate,the plc no read the pulse too. but i check the input voltage from 1.5 to 5v,please tell me why, give me some advices or datum, thanks.