Function
- The Low Level IOP module supports up 16 channels of temperature inputs.
- Any single channel can support either Thermocouple or Resistance Temperature Device (RTD) inputs.
- No external Process Manager FTA is required.
Notable Features
- TC and RTD operation
- Cold junction compensation
- 1 Second PV scanning with OTD protection
- Configurable OTD protection
Parameter Specification
- Input / Output Model: CC-PAIL51
- IOTA (16pt): CC-TAIL51 9”
- Input Type: Thermocouple or RTD (configurable per channel)
- Temperature Operating Temperature: -40 to +70
- Storage Temperature: -40 to +85
- Input Channels: Fully isolated Channel to Channel and Channel to Power System
- Input scan rate: 1 Second
- Channel bandwidth: 0 to 4.7 Hz (-3 dB)
- Nominal input range (TC only): -20 to +100 millivolts
-
Maximum normal mode continuous input (non-damaging):
- -10 to +10 volts (TC)
- -1 to +2 Volts @ 100 milliamps (RTD)
- Gain error: 0.050% full scale max
-
Temperature stability:
- TC, Millivolt inputs: +/-20 ppm per max
- RTD inputs: +/-20 ppm per max
- Long term drift: 500 ppm
- Input impedance: 1 megohm at dc (TC only)
- CMV with respect to Power System common, dc to 60 Hz: +/-250 VDC or VAC RMS
- CMRR, 50 or 60 Hz (with 1000 ohms source impedance max.): 120 dB min
- Voltage, channel-to-channel, dc to 60 Hz: +/-250 VDC or VAC RMS
- Crosstalk, dc to 60 Hz: 80 dB (120 dB at 50 and 60 Hz)
- NMRR at 50/60 Hz: 60 dB min
- Line frequency integration: Fixed selection of 50 Hz or 60 Hz
- RTD sensor excitation current: 1 milliamp
- Cold junction compensation range: -20 to +60 ℃ (+/-0.5 ℃ typical)
- TC Linearization Accuracy (2): ± 0.05 Ω / ℃
- Open Thermocouple Detection: Each conversion qualified, ≤ 1000 Ω = guaranteed no-trip, 1500 Ω guaranteed trip.
- RTD Max Lead Resistance: 15 Ω
-
Supported types (RTD):
- Pt: 100 ohm DIN 4376 -180 to +800 ℃
- Pt: 100 ohm JIS C-1604 -180 to +650 ℃
- Ni: 120 ohm ED #7 -45 to +315 ℃
- Cu: 10 ohm SEER -20 to +250 ℃
- Cu: 50 ohm SEER -50 to +150 ℃
-
Supported types (Thermocouple):
- ANSI specification J -200 to +1200 ℃
- ANSI specification K -100 to +1370 ℃
- ANSI specification E -200 to +1000 ℃
- ANSI specification T -230 to +400 ℃
- ANSI specification B +100 to +1820 ℃
- ANSI specification S 0 to +1700 ℃
- ANSI specification R 0 to +1700 ℃
- Supported millivolt types: -20 to +100 millivolts
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