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CAT-3 Version of SmartController
Adept SmartController User’s Guide, Rev. E
21
1.6
CAT-3 Version of SmartController 
Identification 
The Adept SmartController has been modified to be compatible with Category 3 safety 
requirements. The CAT-3 version of both the CS and CX models of the SmartController 
can be identified by the serial number on the front of the controller. 
Functionality Changes
MCP Enable Switch Not Functional in Auto Mode 
The CAT-3 version of the SmartController has a significant functional difference from the 
original SmartController. When a CAT-3 SmartController system is operating in Auto 
Mode
, the Enable Switch on the MCP has no effect on the operation. This means in the 
Auto mode, the Enable switch does not have to be pressed to enable High Power, and 
releasing the Enable switch while running will not turn off High Power. This is true for 
both the MCP-3 and MCP-4 models.
High Power Indication on XDIO Connector 
In the CAT-3 SmartController, a V
+
 controlled, normally open relay contact, on the XDIO 
connector (pins 45 and 46), will close when High Power has been enabled. The user can 
use this feature to power an indicator lamp, or other device, that signals High Power is 
On.
E-Stop Circuit
The CAT-3 SmartController modification is shown in the E-Stop diagram in 
. The change from the original SmartController circuit is evident in the center area 
of the drawing at the MCP-4 Enable switch.
Original SmartController CS
Original SmartController CX
Serial Number: 3561-xxxxx
Serial Number: 3562-xxxxx
CAT-3 SmartController CS
CAT-3 SmartController CX
Serial Number: 1000-xxxxx
Serial Number: 2000-xxxxx
CAUTION: 
The new functionality of the MCP Enable 
switch in Auto Mode must be recognized by persons 
familiar with Adept systems, and working patterns and 
habits adjusted accordingly.