CWPAC
Page
8
Technical Specifications
RTD Input Module
(continued)
Normal Mode
Rejection
80 db
Electrical
Isolation
500 Vdc channel to channel and channel to bus
Surge
Suppression
12 Vdc transorb between signal and ground
Status Indicator
Normal, Over/Under Range, and module OK/FAIL LEDs
Thermocouple Input
Module
Quantity 6
Type
B, R, S, J, E, K, T, C, N, +/– 10 mV
Connector
Terminal block or remote termination
Resolution
16-bit
Input
Configuration
Differential thermocouple
Voltage
Input
Impedance
10 megOhm
Channel
Data
Acquisition
50 microseconds
Conversion Time
66 milliseconds for all six inputs
Input Accuracy
Varies by thermocouple type:
0.025% of span at 25°C for 10 mV input
0.05% of span –25°C to 70°C for 10 mV input
Common
Mode
Rejection
120 db
Normal
Mode
Rejection
80 db
Electrical
Isolation
500 Vdc channel to channel and channel to bus
Surge
Suppression
180 Vdc transorb between signal and ground
Status Indicator
Normal, Over/Under Range, and module OK/FAIL LEDs
Cold
Junction
Compensation
RTD sensor on terminal block
Quantity
6 or 12
Universal Digital Input
Module and Counter (UDI)
Type
Polled DI and High-Speed Counter or Low-Speed Counter
Internally or externally sourced 24 Vdc
Connector
Terminal block or remote termination
Bus Access
16-bits wide
Frequency
Range
0–10 KHz
Input
Voltage
Range
24 Vdc
Debounce
User-selectable debounce circuitry
Input Current
5 mA +/– 10%
