Input Range (per channel)

-20 to +20 mA, 0 to 20 mA, 4 to 20 mA

0 to 20 mA, 4 to 20 mA

Over-range limits

-22 mA to +22 mA

0 mA to +22 mA, 1.8 mA to 22.0 mA

Resolution

0.02 µA (20-bits)

0.02 µA (20-bits)

Accuracy

± 0.1% ( ± 20 µA )

± 0.1% ( ± 20 µA )

Input Voltage Drop nominal (Impedance ± 20%)

5.5 V nominal @ 20 mA (275 Ohms)

5.5 V nominal @ 20 mA (275 Ohms)

Input Filter (hardware)

-3 dB at 140 Hz

-3 dB at 140 Hz

Step Input Response Time

225 ms x SMA value (7.2 s @ 32 SMA, Default SMA = 4 )

11 ms x SMA value
(.355 s @ 32 SMA, Default SMA = 4)

Data Refresh Time

225 ms

11 ms

Analog Data Filtering

 -3 dB @ 2.4 Hz / -25 dB @ 60 Hz

-5 dB @ 60 Hz

Software Data Filtering:
Simple moving average (SMA)
Weighted Filter

SMA: 1 to 32 Readings
Filter Weight: 1 to 4096

SMA: 1 to 32 readings
Filter Weight: 1 to 4096

Common Mode Rejection

 > -120 dB

 > -120 dB

Max. Survivable Input

 ± 32 V

 ± 32 V

Problem Indications

 out of range

out of range

Isolation (field-to-logic)

 300 V working, 1500 V transient (1 minute)

Isolation (channel-to-channel)

 300 V between group A (ch 0-11) & group B (ch 12-23)

 300 V working, 1500 V transient (1 minute)

Number of Channels

 24

 8

Chassis Power Consumption

 1.0 W

 1.4 W

Minimum GRV-EPIC-PR1 Firmware Version

 1.0.0

 1.3.0

Minimum PAC Project Version

 10.0000

 10.2000

Wire Size

 28-14 AWG

 28-14 AWG

Torque, connector screw

 2.5 in-lb (0.28 N-m)

 2.5 in-lb (0.28 N-m)

Torque, hold-down screw

 3.5 in-lb (0.4 N-m)

 3.5 in-lb (0.4 N-m)

Temperature (operating)

 -20 °C to +70 °C

 -20 °C to +70 °C

Temperature (storage)

 -40 °C to +85 °C

 -40 °C to +85 °C

Relative Humidity (non-condensing)

 5-95%

 5-95%

Agency Approvals

 UL/cUL(Class 1 Div. 2); CE, ATEX(Category 3, Zone 2), RoHS; DFARS; CB Scheme

Warranty

 Lifetime

 Lifetime