The CC-PAIL51 from Honeywell provides 16 channels of analog input. Specifically, each channel supports either Thermocouple or RTD input. Users can configure this per channel. Therefore, the module offers great flexibility. Additionally, it features full isolation between channels and from the power system. This makes the CC-PAIL51 ideal for demanding temperature monitoring applications.
The CC-PAIL51 operates with a nominal TC input range of -20 to +100 millivolts. Its input scan rate is 1 second per channel. Furthermore, the channel bandwidth runs from 0 to 4.7 Hz at -3 dB.
Input Types Supported:
Thermocouple (Types J, K, E, T, B, S, R)
RTD (Pt100 DIN, Pt100 JIS, Ni120, Cu10, Cu50)
Millivolt (-20 to +100 mV)
Accuracy and Stability:
Gain error: 0.050% full scale maximum
TC input temperature stability: +/-20 ppm per degree C
RTD input temperature stability: +/-20 ppm per degree C
Long term drift: 500 ppm
Electrical Characteristics:
Input impedance: 1 megohm at DC (TC only)
RTD excitation current: 1 milliamp
CMRR at 50 or 60 Hz: 120 dB minimum
NMRR at 50/60 Hz: 60 dB minimum
Crosstalk at DC to 60 Hz: 80 dB (120 dB at 50/60 Hz)
The CC-PAIL51 handles harsh industrial environments. Its operating temperature ranges from -40°C to +70°C. Storage temperature is -40°C to +85°C.
Isolation Performance:
Channel-to-channel voltage: +/-250 VDC or VAC RMS
CMV versus power system common: +/-250 VDC or VAC RMS
Complete channel-to-channel and channel-to-power isolation
Furthermore, the cold junction compensation range runs from -20°C to +60°C. Typical accuracy is +/-0.5°C. TC linearization accuracy reaches +/-0.05 ohm per degree C.
The CC-PAIL51 includes reliable open thermocouple detection. Each conversion gets qualified. Specifically, less than or equal to 1000 ohms guarantees no trip. Above 1500 ohms guarantees a trip.
For RTD applications, maximum lead resistance is 15 ohms. This ensures accurate measurements. Moreover, line frequency integration allows fixed selection of either 50 Hz or 60 Hz. Users can match the module to local power conditions.
The CC-PAIL51 accepts many thermocouple types. Each follows ANSI specifications.
| Type | Temperature Range |
|---|---|
| J | -200 to +1200°C |
| K | -100 to +1370°C |
| E | -200 to +1000°C |
| T | -230 to +400°C |
| B | +100 to +1820°C |
| S | 0 to +1700°C |
| R | 0 to +1700°C |
Additionally, millivolt inputs from -20 to +100 mV are supported.
The CC-PAIL51 also accepts multiple RTD standards.
| RTD Type | Standard | Range |
|---|---|---|
| Pt100 | DIN 43760 | -180 to +800°C |
| Pt100 | JIS C-1604 | -180 to +650°C |
| Ni120 | Edison #7 | -45 to +315°C |
| Cu10 | SEER | -20 to +250°C |
| Cu50 | SEER | -50 to +150°C |
Installation requires the CC-TAIL51 IOTA. This is a 9-inch termination assembly. First, mount the IOTA inside the cabinet. Next, attach the CC-PAIL51 onto the IOTA. Then, wire each field device to the corresponding channel.
Important notes:
Configure each channel for TC, RTD, or millivolt before power-up.
Use shielded cables for thermocouple connections.
Keep lead resistance below 15 ohms for RTD inputs.
Ensure proper cold junction compensation placement.
1 x Honeywell CC-PAIL51 Low Level Analog Input Module
1 x Installation instruction sheet
1 x Channel configuration label set
Anti-static shipping bag
All orders ship via FedEx, UPS, or DHL. Tracking numbers are provided within 24 hours. International delivery usually takes 3–7 business days.
1. Can I mix thermocouple and RTD inputs on the same CC-PAIL51?
Yes. The CC-PAIL51 allows per-channel configuration. Some channels can use thermocouples while others use RTDs or millivolt inputs.
2. What IOTA does the CC-PAIL51 require?
It requires the CC-TAIL51 IOTA. This is a 16-point, 9-inch termination assembly designed specifically for this module.
3. How does the module handle open thermocouple detection?
Each conversion is qualified. Below 1000 ohms, the module will not trip. Above 1500 ohms, it guarantees a trip. This prevents false alarms while ensuring reliable fault detection.
4. What is the scan rate of the CC-PAIL51?
The input scan rate is 1 second per channel. Therefore, a full scan of all 16 channels takes approximately 16 seconds.
5. Does the CC-PAIL51 work with 50 Hz and 60 Hz power systems?
Yes. Users can select either 50 Hz or 60 Hz line frequency integration. This matches local power conditions and optimizes noise rejection.
| Brand Name | Honeywell |
| Model No. | CC-PAIL51 |
| Product Type | Analog Input Module |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
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