Version 2.02 15.05.2007 System Design of VS 3000
2
Analog inputs/outputs
14 inputs PT1000 - Connection for PT1000 temperature sensors
2 inputs / 4-20 mA (0-10 V) - Connection for pressure transducers
1 input / 4-20 mA (0-10 V) - Connection for humidity sensors
1 output / 0-10 V (0-20 mA) - Connection for speed adjuster for continuous fan control
1 output / 0-10 V (0-20 mA) - Connection for frequency changer for variable-speed compressors
SIOX Supply - Power supply for SIOX extension module
Ports:
CAN-Bus: Communication within new ESLDS System
TTY: Communication within earlier ESLDS System
RS232: Communication between ESLDS System and building control system,
connection for firmware update
RS485: Connection for building control system (BCS)
SIOX OUT: Connection for data transfer to SIOX extension modules
New features compared to earlier versions
From Version 3.00:
- High-pressure monitoring
-CO
2
cascade
- changes to single - and multi-stage compressors (Standstill Time S1) / Starts
From Version 2.98:
- High-pressure combined controller
- D2D defrost sequence
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