Interface Specifications > I/O Cards

AI, 8-Channel, 1-5 VDC

Installation Notes

Specifications

Table: AI, 8-Channel, 1–5 VDC Specifications
Item Specification
Number of channels Eight
Isolation Each channel is optically isolated from the system and factory tested to 1500 VDC.
Nominal signal range (span) 1 to 5 VDC
Full signal range 0.25 to 5.64 VDC, with overrange checking
Valid range for LED indication 0.18 to 5.77 VDC
LocalBus current (12 VDC nominal), per card
  • 100 mA typical
  • 150 mA maximum
Field circuit power, per card 100 mA (used on card) at 24 VDC (±10%)
Input impedance 2 MΩ
Accuracy over temperature range 0.1% of span
Resolution 16 bits
Repeatability 0.05% of span
Rolloff frequency
  • -3 dB at 1.3 Hz
  • -25 dB at one-half the sampling frequency
Calibration None required
Optional fuse 2.0 A
Mounting Assigned slot of I/O carrier

Wiring Diagram

Figure: Wiring Diagram for AI, 8-Channel, 1–5 VDC