ABB ControlMaster Series Manual page 24

ControlMaster CM30
Universal process controller,
Setpoints
Local:
— 4, selectable via digital input or front panel
Remote:
— selectable via digital input or front panel keys
Auto tune
On-demand calculation of control settings
Process alarms
Number:
— 8
Types:
— High / Low process
— High / Low latch
Source
— Fully configurable
(for example – PV, Analog input, Math block inbuilt, OP
control loop deviation)
Hysteresis:
— Level and time
Alarm enable:
— Enable / Disable individual alarms via a digital signal
Acknowledgement
Via front panel keys or digital signals
Real-time alarms
Number:
— 2
Programmable:
— Time
— Day
— Duration
16 DS/CM30–EN Rev. L | ControlMaster CM30 | Universal process controller,
/ DIN
1
4
Math blocks
Number:
— 8
Operators:
— +, –, x, /
— Average, Maximum, Minimum
— High / Low / Median select
— Square root
— Multiplexer
Delay timers
Number:
— 2
Programmable:
— Delay
— Duration
Logic equations
Number:
— 8
Elements:
— 15 per equation
Operators:
— OR, AND, NOR, NAND, NOT, EXOR
Custom linearizer
Number:
— 2
Elements:
— 20 breakpoints
1 / DIN
4