ABB ControlMaster Series - Page 25

ControlMaster CM30 | Universal process controller,
1
/ 4 DIN | DS/CM30–EN Rev. L 17
Analog inputs
Universal process inputs
Number:
— 2 (1 standard, 1 optional)
Typ e :
— Voltage
—Current
— Resistance (ohms)
—3-Wire RTD
—Thermocouple
— Digital volt-free
— Digital 24 V
— Frequency (Input 1)
—Pulse
Non-universal process inputs
Number:
— 2 (1 standard, 1 optional)
Typ e :
— Voltage
—Current
—Thermocouple *
— Digital volt-free
— Digital 24 V
Thermocouple types
B, E, J, K, L, N, R, S, T
Resistance thermometer
Pt100
Other linearizations
x, x
3/2
, x
5/2
, custom linearization
Digital filter
Programmable 0 to 60 s
* Only if universal process input is configured as 'Thermocouple'
Display range
–9999 to 99999
Update rate
125 ms
Common mode noise rejection
> 120 dB at 50 / 60 Hz with 300  imbalance resistance
Normal (series) mode noise rejection
> 60 dB at 50 / 60 Hz
CJC rejection ratio
0.05 °C/°C change in ambient temperature
Temperature stability
0.02 %/°C or 2 µV/°C (1 µV/°F)
Long term (input) drift
< 0.1 % of reading or 10 µV annually
Input impedance
> 10 M (mV input)
10 (mA input)