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The Series One Plus controller equipped with the SPI communications option lets you operate 
the controller on a network con-forming to Version 3.01 or later of the SPI protocol 
specification. 

When installed on an SPI network, SS/CS Series hopper loaders, as well as other auxiliary 
processing machines, can be controlled by an injection molding machine (IMM) or an operator 
at the IMM controls. Two (2) SPI interchangeable communication ports are provided for easy 
connection into any daisy chain-type SPI network. 

Series One Plus controllers with the SPI option support all required parameters of an SPI 
network, and some of the “non-required” parameters, too. The supported parameters are: 

 

•  Echo (system use only) 
•  Version 
•  Status, process 

„

  Processing flag 

„

  Low material alarm (with auxiliary proximity switch 

installed) 

„

  High vacuum alarm (central system units only) 

„

  No Convey alarm 

•  Mode, material 

„

  Machine on/off 

„

 

Alarm acknowledgment

 

•  Set point, Material A load time 
•  Set point, Material B load time 
•  Blanket poll (system use only) 

Remember to properly terminate the first and last units on 
an SPI network. If the Series One Plus controller is the first or last unit in the daisy chain, 
terminate the transmission line by placing the jumper on JMP1 as shown here. 

 

You’ll need to set several Series One Plus controller parameters before network 
communication can occur. These parameters are set in expanded service menus.  

To gain access to expanded service menus, disconnect and unplug the SS/CS Series hopper 
loader, open the control box, and place a jumper across the SERVICE pins. Close the box and 
re-apply power. You now have six (6) additional menus available; three (3) of these menus are 
related to SPI operation. 

 Jumper ON Jumper