HEIDENHAIN iTNC 530 Service Manual page 138

MC 422B with 10 position encoder inputs and CC 422 with 10 or 12 control loops
X150, X151 at bottom of housing
13 – 138
X1 to X6 Encoder for position
X35 to X38 Encoder for position
X15 to X20 Encoder for speed
X80 to X83 Encoder for speed
X84, X85 Encoder for speed (12 control loops)
X51 to X60 PWM output
X61, X62 PWM output (12 control loops)
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, X166, X167
X74 5-V power supply
X150/X151 Axis-specific drive release
B Signal ground
Equipment ground (YL/GN)
HEIDENHAIN Service Manual iTNC 530
Reserved
Reserved