ABB Remote I/O RIO600 Installation And Commissioning Manual page 49

1MRS757488 H
RIO600
Installation and Commissioning Manual
GUID-74279678-A852-4309-8E64-1648505072ED V2 EN
Figure 21:
The recommended connection method is 3-wire RTD as it allows
compensation of connection lead (connection wire) resistance and the
results are more accurate.
Table 11: Screw terminal of RTD/mA connection
X2 RTD/mA input
terminal
1 3C
2 3-
3 3+
Table continues on next page
mA input connection
Description X1
Ch3 1
compensation
Ch3 return 2
path (negative
terminal)
Ch3 positive 3
terminal
Section 5
Installing
RTD/mA input Description
terminal
1C Ch1
compensation
1- Ch1 return
path (negative
terminal)
1+ Ch1 positive
terminal
41