Issue 6 – December 2006
15
Connecting transmitters and measuring heads
Two-wire 4-20mA transmitter
Use cable with braided copper screen.
7
8
9
4-20mA signal
+ 24V
4-20mA transmitter
Regard-1 main board
Three-wire 4-20mA transmitter
Only for a transmitter with 4-20mA source output. Regard-1 will not work with a three-
wire transmitter that has a 4-20mA sink output.
Use cable with braided copper screen.
7
8
9
0V
4-20mA signal
+ 24V
4-20mA transmitter
Regard-1 main board
Summary of Contents for REGARD-1
Page 38: ...Issue 6 December 2006 38 EC type examination certificate ...
Page 39: ...Issue 6 December 2006 39 ...
Page 40: ...Issue 6 December 2006 40 ...
Page 41: ...Issue 6 December 2006 41 ...
Page 44: ...Issue 6 December 2006 44 ...
Page 46: ...Issue 6 December 2006 46 ...
Page 47: ...Issue 6 December 2006 47 ...