HEIDENHAIN iTNC 530 Service Manual page 139

MC 422B and CC 424 with max. 6 control loops
X150 at bottom of housing
May 2006
X201 to X206 Encoder for position
X15 to X20 Encoder for speed
X51 to X60 PWM output
X8, X9 Nominal value output, analog
X12 TS touch trigger probe
X13 TT 130 touch trigger probe
X23 Handwheel
X26 Ethernet data interface
X27 RS-232-C/V.24 data interface
X28 RS-422/V.11 data interface
X127 RS-232-C/V.24 (only for Windows 2000)
X128 RS-422/V.11 (only for Windows 2000)
X141, X142 USB interface
X30 24 V reference signal for spindle
X34 24 V for "control-is-ready"
output
X41 PLC output
X42 PLC input
X44 24 V PLC supply voltage
X45 Keyboard unit
X46 Machine operating panel
X47 PLC expansion
X48 PLC analog input
X149 (X49) BF 150 (BF 120) visual display unit
X131 Reserved
X69 Power supply
X121, X125, X165
X74 5-V power supply
X150 Axis-specific drive release
B Signal ground
Equipment ground (YL/GN)
Reserved
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