Milk tank controller
1 probe input, 1 digital input, up to 3 relay outputs and buzzer
- Process inputs:
1 inputs for temperature probes:
- PTC KTY81-121 (990 Ω @ 25 °C)
- NTC 103AT-2 (10KΩ @ 25 °C)
Overall accuracy: ± 0.5 % fs
1 Digital input:
- Free voltageKeyboard:
- Mechanical - Process outputs:
up to 3 relay outputs:
- OUT1: SPST-NO
16A-AC1, 6A-AC3,1HP 250VAC, 1/2HP 125 VAC)
- AGITATOR: SPDT
8A-AC1, 3A-AC3 1/2HP 250VAC, 1/3HP 125 VAC
- OUT3(Aux): SPST-NO
5A-AC1 2A-AC3 250 VAC 1/8HP 125-250VAC)
16 A Max. for common (pin. 1)
Internal buzzer for alarm indication - Power supply:
- 12 VAC/VDC
- 24 VAC/VDC
- 100...240 VAC +/-10%
Frequency AC:50/60 Hz
Power consuption: around 4 VA - Control functions
Stand-by mode
Control strategies :
- ON/OFF
Agitator:
- Timed activation
- Manual
Compressor protection
Start-up delay
Auxiliary Output:
- Delayed activation
- Manual
Up to 4 different kind of configurable alarms:
- Probe errors
- Temperature tresholds: absolute or relative
- External alarm - Communication and configuration:
Communication on TTL port to:
- Universal programming key
- Remote display - Dimensions:
78x35 mm, depth 64 mm
Connections:
- 2,5 mm² screw terminals block
IP65 front frame protection, with gasket
1 red display with 4 digits, h 12 mm