First, executing insulation and conductivity test for loop cable. Then, pulsing simulation signal at place of local transmitter and output switch.
First, executing insulation and conductivity test for loop cable. Then, pulsing simulation signal at place of local transmitter and output switch.
首先要对回路电缆进行绝缘和导通试验，2）然后在现场变送器、发讯开关处加模拟工艺信号。