Thermcraft XST-6-0-36-3V - Manual (Page 146)

Technical Specification Installation and Operation Handbook
C-2 2408 and 2404 Controller
Analogue outputs
Range
Scaleable between 0-20mA and 0-10Vdc (isolated)
Resolution 1 part in 10,000 for analogue retransmission
Analogue output
functions Refer to ordering code
Transmitter supply
Rating 20mA,
24Vdc
Control functions
Control modes On/Off, PID, or motorised valve control, with or without feedback
potentiometer
Cooling algorithms Linear, water (non-linear), fan (min on time), oil
Tuning One shot (automatic tune of PID and overshoot inhibition
parameters) and continuous adaptive tuning
Number of PID sets Two
Auto/manual control Bumpless transfer or forced manual output available
Setpoint rate limit Display units per second, minutes or hour
Alarms
Number of alarms Four
Alarm types Absolute high or low. Deviation band, deviation high, deviation
low. Rate of change
Alarm modes Latching or non-latching. Blocking. Energised or de-energised in
alarm
Setpoint programming
Number of programs
1, 4 or 20
Segments per
program 16
Event outputs Up to eight
Communications (all modules are isolated)
Profibus
High speed, RS485. Up to 1.5Mb/s
Modbus ® RS232,2-wire,RS 485 and 4 wire RS485 modules
Baud rate 1200, 2400, 4800, 9600 and 19,200 baud
PDS
Slave input (isolated) Remote setpoint input with holdback to master
Master output Isolated from main PV. Retransmission of setpoint, process value
or output