***

![[Pasted image 20250511144146.png]]


![[Pasted image 20250511151234.png|1100]]

```plantuml
@startuml "Process Monitoring System"

' Title and styling
title Process Monitoring System with Signal Conversion
skinparam componentStyle rectangle
skinparam backgroundColor white
skinparam defaultTextAlignment center

' Define main packages
package "Syrup Line" {
  rectangle "Syrup Pipe" as syrup #ADD8E6
  
  component "Maselli UR29\nRefractometer" as ur29 #FFDD88
  component "ADAM Module\n(RS485 to 4-20mA)" as adam1 #ADD8E6
  note bottom of adam1: Converts RS485 to 4-20mA

  component "Maselli UR62\nRefractometer" as ur62 #FFDD88
  component "ADAM Module\n(RS485 to 4-20mA)" as adam2 #ADD8E6
  note bottom of adam2: Converts RS485 to 4-20mA
}

package "Water Line" {
  rectangle "Water Pipe" as water #ADD8E6
  
  component "Conductivity 401U3\nProbe" as probe #FFDD88
  component "2405 Knick\nTransmitter" as knick #B6D7A8
  note bottom of knick: Converts conductivity signals to 4-20mA
}

component "PLC\nControl System" as plc #D5A6BD

' Connections
syrup --> ur29 : "Process\nMeasurement"
syrup --> ur62 : "Process\nMeasurement"
water --> probe : "Process\nMeasurement"

ur29 --> adam1 : "RS485"
ur62 --> adam2 : "RS485"
probe --> knick : "Conductivity\nSignal"

adam1 --> plc : "4-20mA"
adam2 --> plc : "4-20mA"
knick --> plc : "4-20mA"

@enduml
```
### The equipment we tested was:
***
* Syrup / Brix:
	* Maselli UR29 - Reflectometer
		* ADAM 4021 converters for connecting the PLC
		* [ur24_gb_hr.pdf](file:///C:%5CTrabajo%5CManuales%5CMaselli%5Cur24_gb_hr.pdf)
	* Maselli UR62 - Reflectometer
		* ADAM 4021 converters for connecting the PLC
		* [ur62_gb_hr.pdf](file:///C:%5CTrabajo%5CManuales%5CMaselli%5Cur62_gb_hr.pdf)
* Water :
	* Clritalia: Conductivity - 401U3-B3C0Y0
		* K=1 cm  (campo di misura 0-50000 uS)
			* [401U -gb](https://www.clritalia.com/index.php?option=com_content&view=article&id=288:401u&catid=112&Itemid=265&lang=en)
			* Stratos Eco 2405 Knick converter for transmitting to the PLC




# Comparative Table: UR62 vs UR24 Refractometers by Maselli

|Feature|UR62|UR24|
|---|---|---|
|**Classification**|Basic (THE BASIC)|Advanced (THE ULTIMATE)|
|**Measurement range**|1.3229 … 1.505 nD (0…85 Bx)|1.3163 … 1.5318 nD (0…95 Bx)|
|**Accuracy**|• +/- 0.0004 nD (+/-0.2 Bx) alone<br>• +/- 0.0002 nD (+/-0.1 Bx) with RC24|• +/- 0.00003 nD (+/-0.02 Bx) SA version<br>• +/- 0.00007 nD (+/-0.05 Bx) HA version<br>• +/- 0.0002 nD (+/-0.15 Bx) STD version|
|**Repeatability**|• +/- 0.2 alone<br>• +/- 0.03 with RC24|Not specified|
|**Product temperature**|-25…+90°C (-13…194°F)|• -5…+105°C (23…221°F)<br>• -5…+140°C (23…284°F) for LP version|
|**Max sterilization temperature**|Hot water at 95°C x 30 min<br>Steam (0.5 bar) at 110°C x 30 min|• 125°C x 30 min<br>• 145°C x 30 min for LP version|
|**Line pressure**|• Max. 10 bar at 20°C<br>• Max. 8 bar at 90°C|• Max. 10 bar at 20°C<br>• Max. 8 bar at 100°C<br>• Special version up to 40 bar at 20°C|
|**Power supply**|• AC 24V ±10%, 50-60Hz, 80mA<br>• DC 24V ±10%, 80mA|• AC 24V ±10%, 50-60Hz, 0.6A<br>• DC 24V ±10%, 0.6A<br>• AC 115/230V ±10%, 50-60Hz, 25VA (with transformer)|
|**Interfaces**|Analog, Analog/Digital, PROFIBUS DP, Ethernet/IP|Analog, Analog/Digital, PROFIBUS DP, Ethernet/IP, PROFINET, Modbus/TCP|
|**Protection**|IP67 to EN60529|IP67 to EN60529|
|**Main benefits**|• Optical Technology<br>• Basic accuracy<br>• 100% in-line installation<br>• No need of adjustments<br>• No maintenance|• Optical Technology<br>• High accuracy<br>• 100% in-line installation<br>• No need of adjustments<br>• No maintenance|