Omron DRT2 SERIES DEVICENET SLAVES - OPERATION MANUAL 04-2008 Operation Manual page 342

Analog Input Terminals
■ Input Range: 0 to 20 mA
The current range 0 to 20 mA corresponds to 0000 to 1770 hex (0 to 6,000).
The convertible data range is FED4 to 189C hex (
currents are expressed as two's complements (16 bits). When a disconnec-
tion occurs, the data equivalent to 0 mA input will be used (0000 hex).
Conversion data
Hexadecimal (decimal)
189C (6300)
1770 (6000)
0000 (0)
−1 mA
0 mA
FED4 (−300)
■ Input Range: 4 to 20 mA
The current range 4 to 20 mA corresponds to 0000 to 1770 hex (0 to 6,000).
The convertible data range is FED4 to 189C hex (
current is below the input range (input current less than 3.04 mA), a discon-
nection is detected and the data is set to 7FFF hex.
Conversion data
Hexadecimal (decimal)
189C (6300)
1770 (6000)
7FFF
0000 (0)
4 mA
FED4 (−300)
3.2 mA
3.04 mA
(Disconnection detected below 3.04 mA.)
Section 7-4
300 to 6,300). Negative
–
Current
20 mA 21 mA
300 to 6,300). If the input
–
Clamped above
20.8 mA.
Current
20 mA 20.8 mA
321