Installation and Commissioning

External AxesInstallation and CommissioningMeasurement System 2Drive System1, insiderobot cabinetalt.Contains noCPUDrive System 2 insideexternal axes cabinetDrive System 2 insideuser designed cabinet(non ABB drives)MeasurementSystem 1Figure 54 Outline diagram, external axes.One extra serial measurement board (SMB) can be connected to Measurement System1 and up to four to Measurement System 2. See Figure 54. One of the extra serialmeasurement boards of system 2 can be located inside the robot cabinet.Max one external axis can be connected to Drive System 1. This axis is connected tothe drive unit located in the DC-link. Up to six external axes can be connected to DriveSystem 2. Drive System 2 is in most cases located in a separate external cabinet.For robots using only two drive units, as IRB1400 and IRB2400, a drive system 2 canbe located in the robot cabinet. This mixed system is called Drive System 1.2 . Two axescan be connected to the drive module. In this case no external drive units or internaldrive units mounted in a separate cabinet can be used.92 Product Manual IRB 1400