Specification | GRV-IMA-24 | GRV-IMAI-8 |
|---|
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 Freshness / Update | 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 |