电源接线
System Pwr Loop -
4
System Pwr Loop +
3
AUX Power -
2
AUX Power +
1
4
4
System Pwr Loop -
3
3
System Pwr Loop +
AUX Power -
2
2
AUX Power +
1
1
AUX power required for all 8750-2 systems
4
System Pwr Loop -
3
System Pwr Loop +
AUX Power -
2
AUX Power +
1
不可将9900接到交流电源
9900供电为10.8 to 35.2 VDC
Stand-alone application, no current loop used
–
+
Connection to a PLC/Recorder, separate supply
+
–
–
+
Loop Powered
+
–
–
+
注意!
无电流输出回路的应用
PWR +
PWR –
Loop +
Loop –
PWR +
PWR –
Loop +
Loop –
PWR +
PWR –
Loop +
Loop –
注意:
回路不能给部
分传感器供电。
见47页表格。
+
–
+
–
+
–
–
+
9900
变送器调试向导
53