| GE / VERSAMAX TEMPERATURE I-O | OverviewSpecificationsIntegrationRelated ModelsFAQ |
IC200ALG620 is an intelligent VersaMax analog input module for four independent RTD or resistance measurements. It supplies sensor excitation, performs high-resolution conversion and reports wiring and range diagnostics to the host controller.
REQUEST PRICE AND LEAD TIME| SERIES
VersaMax I/O
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INPUT
4 RTD Channels
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RESOLUTION
15 Bits + Sign
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POWER
Backplane
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| Module type | VersaMax intelligent RTD and resistance input | Channels | 4 independent 3-wire and/or 4-wire RTDs |
| Resolution | 15 bits plus sign | Resistance ranges | 0 to 500 ohm; 0 to 3000 ohm |
| Platinum RTDs | 25, 100 and 1000 ohm | Other RTDs | Copper 10/50/100 ohm; nickel 100/120 ohm; nickel-iron 604 ohm |
| Accuracy at 25 deg C | +/-0.15% for resistance or temperature | Update rate | About 210 ms/channel at 60 Hz; 230 ms at 50 Hz |
| Isolation | 250 V ac continuous input-to-logic/frame; 1500 V ac for one minute | Channel isolation | 50 V dc channel-to-channel |
| Backplane current | 125 mA maximum at 5 V; 125 mA at 3.3 V | External supply | Not required |
| Diagnostics | Open RTD, short, wiring fault, range and high/low alarms | Operating range | 0 to 60 deg C |
| Dimensions | 110 x 66.8 x 50 mm, excluding carrier and connectors | Host data | 4 analog input words |
| 01 | RTD field element A compatible 3-wire or 4-wire platinum, copper, nickel or nickel-iron sensor changes resistance with temperature. |
| 02 | Channel excitation and conversion The module supplies excitation, compensates the configured wiring method and converts the measurement at high resolution. |
| 03 | Diagnostics and engineering units Each channel applies the selected RTD curve, units and alarm limits while monitoring open, shorted and out-of-range conditions. |
| 04 | VersaMax host exchange Four analog input words and diagnostic states move through the carrier and local bus to the CPU or network interface. |
| How many RTDs can be connected?
Up to four independent 3-wire and/or 4-wire RTDs. |
Is external excitation required?
No. The module supplies excitation and matches it to the configured RTD type. |
| Can it measure resistance directly?
Yes. Channels can use 0 to 500 ohm or 0 to 3000 ohm ranges. |
Which diagnostics are available?
Open sensor, input short, wiring fault, range conditions and high/low alarms. |
| Can IC200ALG630 replace IC200ALG620?
No. IC200ALG630 is a thermocouple module with different signals and channel behavior.
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Include the complete catalog number, quantity, required condition, destination, carrier type and connected RTD details.
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| A | Match the measurement arrangement Confirm sensor type, resistance value, wiring method, carrier and host configuration. |
| B | State condition and logistics Provide quantity, required condition and destination for availability coordination. |
| C | Returns and replacement Raise concerns within 7 days. Approved returns must remain in original condition with a clear reason. Return freight is borne by the buyer. |
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