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7/50D Plus or 7/50D Controller 

Chapter 3:  Installation 

20 

An ArmorBlock permits you to give it a number “address” so that the controller network 
system can recognize its location and function. ArmorBlocks are used at vacuum 
hopper/receiver, pump, and alarm node locations. 

The number range of ArmorBlock addresses are as follows: 

•  01 to 50 — Vacuum hopper/receiver stations; use a leading zero for 

numbers 01 to 09. 

•  51 to 57 — Pump stations 
•  58 to 60 — Alarm stations 

Locate the rotary switches underneath the ArmorBlock. The two switches are: 

•  MSD (most significant digit) for tens 
•  LSD (least significant digit) for units/ones 

For example, if you wanted to set an address at 36, you set the MSD rotary switch at 3 and 
the LSD rotary switch at 6. To set an address of 8, set the MSD rotary switch at 0 (leading 
zero), then set the LSD rotary switch at 8. 

•  Using a permanent black marker, write the number of the address 

on the white label located on the bottom front of the ArmorBlock.  
We suggest that you place numbered tags at node locations to ease 
installation and reduce any confusion of locations. 

To set the node address: 

•  Use a small straight-bladed screwdriver to rotate the switches.        

Line up the small arrowhead on the switch with the number you want 
to select. 

The following figure shows that the address is set at 01; the MSD rotary switch is set at 0 and 
the LSD rotary switch is set at 1.