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3
3.1 Environment specification
Environmental specifications (excluding following)
Dielectric withstand voltage
3.2 Power supply specification
Analog circuits
3.3 Performance specification
Analog Inputs
Item
Analog input range
Digital output
Resolution
Over all accuracy
Conversion speed
Analog Inputs continued...
Preset 0 (-10V to +10V)
+2,000
Digital output
-10V
Voltage input
-2,000
-2,048
NOTE: Preset ranges are selected by an appropriate setting in buffer memory of the analog block.
Current/Voltage input selection must match the correct input terminal connections.
Miscellaneous
Item
Isolation
Number of occupied I/O points
INSTALLATION NOTES AND USAGE
Item
Item
Digital circuits
Voltage input
Either voltage or current input can be selected with your choice of input terminal. Up to four
DC -10V to +10V (input resistance: 200kΩ).
Warning: this unit may be damaged by input
voltage in excess of ±15V.
12-bit conversion stored in 16-bit 2's complement form.
Maximum value: +2047 Minimum value: -2048
5mV (10V default range 1/2000)
±1% (for the range of -10V to +10V)
15ms/channel (Normal speed), 6ms/channel (High speed)
+2,047
+1,000
+10V
Digital
output
Same as those for the FX
500VAC, 1min (between all terminals and ground)
5V DC, 30mA (internal power supply from main unit)
input points can be used at one time.
Preset 1 (+4mA to +20mA)
+1,750
0
+4mA
+20mA
Current input
Photo-coupler isolation between analog and digital circuits.
DC/DC converter isolation of power from FX
No isolation between analog channels.
8 points taken from the FX
(can be either inputs or outputs)
Specification
main unit
2N
Specification
24V DC ± 10%, 55mA
(external power supply from main unit)
Current input
DC -20mA to +20mA (input resistance:
250Ω). Warning: this unit may be damaged
by input currents in excess of ±32mA.
20µA (20mA default range 1/1000)
±1% (for the range of -20mA to +20mA)
Preset 2 (-20mA to +20mA)
Digital
output
+1,000
-20mA
-1,600
Specification
expansion bus
2N
+1,600
+20mA
-1,000
Current input
MPU.
2N
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