ABB ControlMaster CM30 - Page 101

ControlMaster CM30, CM50 and CMF310
Universal process controllers,
1
/4,
1
/2 DIN and fieldmount 10 Specification
IM/CM/ED–EN Rev. X 99
Maths blocks*
Delay timers*
Logic Equations*
Custom linearizer*
Bank control*
Totalizer**
Analog inputs
Universal process inputs
Non-universal process inputs
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
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
0.050 °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 (millivolts input)
10 (mA input)
*Functionality level 'Standard' and above only
**Functionality level 'Extended'
***Only if universal input 1 on the same input module
is configured as 'Thermocouple'
Number 8
Operators +, -, x , /
Average, Maximum, Minimum
High / Low / Median Select
Square root
Multiplexer
Number 2
Programmable Delay
Duration
Number 8
Elements 15 per equation
Operators OR, AND, NOR, NAND, NOT, EXOR
Number 2
Elements 20 breakpoints
Number of
outputs
6
Wear levelling Rotate or FIFO
Number 2 (freely assignable) 9 digit total
Type Analog, digital, frequency or pulse
Statistical
calculations
Average, maximum, minimum
(for analog signals)
Update rate 125 ms
Number 2 (1 standard, 1 optional)
Typ e Vo lta ge
Current
Resistance (ohms)
3-Wire RTD
4-Wire RTD (CMF310 only)
Thermocouple
Digital volt-free
Digital 24 V
Frequency (Input 1)
Pulse
Number 2 (1 standard, 1 optional)
Ty p e Vo lt ag e
Current
Thermocouple***
Digital volt-free
Digital 24 V