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Revision 1.2D 

 

Page 15 of 17 

 

 

www.resourcedm.com 

ML Switch User Guide

 

 

Warning 

 
 
 
 
 
 

Please Note 

The specifications of the product detailed on this 
Set-Up  Guide  may change without notice. RDM 
Ltd. shall not be liable for errors or for incidental 
or consequential damages, directly and indirectly, 
in connection with the furnishing, performance or 
misuse of this product or document.

 

Ensure that all power is 
switched off before   
installing or maintaining 
this product 

Set/View Parameters (This can be achieved at the network front end) 

 

a. 

From the function menu scroll to select PArA 

 

b. 

Pressing Enter while PArA is displayed will enter the parameter menu. The first parameter option will be displayed as P-
01. Pressing the Up or Down button will present the other parameter options P-02, P-03 etc. See the parameter tables to 
find what parameter number corresponds to which actual parameter.  Pressing the Enter button will show the current 
value of the selected parameter. Press Up or Down to modify the value and press Enter again to save the value. The 
parameter list number will be displayed again. Two other options are present in the parameter menu 

– dFLt and ESC. 

Selecting ESC will exit setup mode. Selecting dFLt will reset all parameters back to the factory default values. 

 

 

ID 

 
Allows the user to assign a unique three digit software address to the ML Switch. Note this is only required when the ML Switch is in IP-L 
mode. 
 

 
a. 

From the function menu scroll to select Id. 

b. 

The current id number will be shown. Use the up/down buttons to scroll through from 000 to 999.  

c. 

Select the desired number and press enter to save. 

 

Network Configuration 

 
In all instances this must be done before the ML Switch is connected to the site network. If a DHCP server is present on the IP network 
set the 2 rotary network switches to an appropriate setting, the ML Switch has an auto-initialise function, which will automatically log the 
device onto the site network. If the wrong ID has been entered onto the network, you will have to reset the Switch ID by setting the ID to 
0-0, power cycle and then re-enter the correct ID.  

 

 

IP-L (Local IP Address) 

 
To configure the ML Switch for IP-L, set both rotary switches to zero.  
 

1. 

nEt. From the function menu you can now select nEt 

 

Press enter and the display will show  “IP-L”, press enter 

 

You can now set the address using the table below 

 

Display

 

Option

 

IP-1 

IP Address byte 1 

IP-2 

IP Address byte 2 

IP-3 

IP Address byte 3 

IP-4 

IP Address byte 4 

nL 

Network Mask Length 

gt-1 

Gateway Address byte 1 

gt-2 

Gateway Address byte 2 

gt-3 

Gateway Address byte 3 

gt-4 

Gateway Address byte 4 

ESC 

Exit network menu. 

N.B.

 this option 

must

 be selected to save 

any changes made in this menu 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

Summary of Contents for PR0109

Page 1: ...ML Switch User Guide Resource Data Management Ltd 80 Johnstone Avenue Hillington Industrial Estate Glasgow Scotland G52 4NZ UK 44 0 141 810 2828 Switchboard support resourcedm com Technical Support s...

Page 2: ...ID 5 PR0109 PHI USER GUIDE 6 ML Switch Type 6 Parameters 8 Parameters Description 9 Input Output table 10 EEV Control Operation 11 Transducer Connection 11 MOP Maximum Operating Pressure 11 Humidity C...

Page 3: ...connections for other network devices The Ethernet ports are self configuring for uplinks and standard 10 100 Base T device connections As well as the Switch function there is a 4 20mA input for addi...

Page 4: ...lers will not log on to network using pre 1 2 versions of ML Switch and IP Modules Controllers with the following label will only log on to network using ML Switch or ML IP Module with software versio...

Page 5: ...e 10 100 Base T ports are all self configuring Connection to a Data Manager Director Use a standard CAT5 patch lead and connect the Data Manager or Data Director to one of the three 10 Base T ports 10...

Page 6: ...and along with the suction temperature probe local to the controller the superheat is calculated Unlike the PR0109 Standard ML Switch version when this product is used with a Data Manager it is regis...

Page 7: ...ling or maintaining this product Click on Configure to set the type Then click Type Use the drop down selection to select the type required and then click Set Type Parameters can be configured using t...

Page 8: ...i 0 1 1 0 P 14 Evap 4 offset 0 0 to 0 5 0 to 7 2 0 1 Bar psi 0 1 1 0 P 15 Evap 5 offset 0 0 to 0 5 0 to 7 2 0 1 Bar psi 0 1 1 0 P 16 Evap 6 offset 0 0 to 0 5 0 to 7 2 0 1 Bar psi 0 1 1 0 P 17 Evap 7 o...

Page 9: ...2 Alarm Delay Delay before the HP alarm is generated P 33 HP Alarm If the pressure exceeds this value then a High Pressure alarm is generated once the alarm delay expires P 40 MOP If the pressure exce...

Page 10: ...p 8 Press 3 4 to 50 49 3 to 725 0 Bar psi I 10 Evap 9 Press 3 4 to 50 49 3 to 725 0 Bar psi I 11 Evap 10 Press 3 4 to 50 49 3 to 725 0 Bar psi I 12 Humidity 0 to 100 rH I 13 Sensor Temp 60 to 60 76 0...

Page 11: ...perheat Please note that RDM recommended that the evaporator in temperature probe is fitted as the controller will use this to calculate the superheat in the event of a communication loss with the ML...

Page 12: ...r GP timer channel directed to the ML Switch is in the on period the humidity control will operate as described above During the Data Manager GP timer channel off period the relay will pulse to the pr...

Page 13: ...ftware menu the up button is used to scroll up through the menu items Down Button When in the software menu the down button is used to scroll down through the menu items Button No function Network LED...

Page 14: ...tput States IO PArA View or change Parameters PArA ID View or change ID ID tyPE View or change Controller Type type nEt View or change the Network Settings Net SoFt View the Software version ESC Escap...

Page 15: ...Switch is in IP L mode a From the function menu scroll to select Id b The current id number will be shown Use the up down buttons to scroll through from 000 to 999 c Select the desired number and pre...

Page 16: ...can now view only the address given by the DHCP server To ease setup a single network mask length value is used If the address has been specified with a network mask value in dotted IP format e g 255...

Page 17: ...current protection device such as Fuse 1A 240 Vac Antisurge T HRC conforming to IEC 60127 Or MCB 1A 240 VAC Type C conforming to BS EN 60898 Mounting There is a fixing lug at each end of the Switch wi...

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