Displays(no#) 01.4.27 11:40 PM Page 61 Compact display with numerous functions for milling machines (LH51) and lathes (LH52) Selectable display resolution LH51 • Selectable ABS/ INC display • Linear error compensation • Standard functions: reset, preset, recall, data storage, datum point • memory, midpoint calculation and zero point detection LH52 Milling functions (LH51): touch sensor and bolt hole circle • Lathing functions (LH52): hold, addition and tool offset • Inch/metric display • Specifications Model LH51-1 LH51-2 LH51-3 LH52-3 No. of connectable axes 123 3 No. of display axes 123 2 Display 7 digits, LED display, mode indication (leading zero suppress, floating minus sign) Display resolution Varies with the transducer (0.5 μm with Magnescale) Max. response speed Varies with the transducer (60 m/min with Magnescale) Reset By key operation or external reset Preset By key operation Recall Data stored by preset can be recalled by key operation When the table moves a certain distance, a unit length is added or subtracted from the displayed value (linear compensation) Linear error compensation 256 compensation values; maximum: ± 600 μm/m Absolute/ Incremental With the datum point set at any point on the scale, the absolute distance from the point can be displayed while machining in the INC mode Datum point memory Set by key operations Touch sensor Used with the optional Touch Sensor, LH51 detects the datum plane 1.Hold 2.Load 3.Centering — Zero point detection Used with a transducer having a zero point, LH51/52 detects the zero point and reproduces a datum point Number of divisions: 2 to 360; offset Bolt hole circle — — angle: 0˚ to 359.999˚ in 0.001˚ steps Midpoint calculation In the INC mode, the displayed value can be halved by a simple key operation Hold — The display value is held and a tool offset can be set with a key switch Addition function — 2-axis addition (Z1 + Z2) can be displayed Tool offsets — Max. 9 Data storage Preset value and the value that was displayed before power-off are stored in non-volatile memory Alarm display 1. Power interrupt 2. Max.response speed exceeded 3. Error in stored data 4.Scale disconnected Operating temperature 0 ˚C to 40 ˚C / 32 ˚F to 104 ˚F (No condensation ; see note 1) Storage temperature -20 ˚C to 60 ˚C / -4 ˚F to 140 ˚F Power supply 100 V AC to 230 V AC ± 10 % 50/60 Hz Power consumption Max. 35 VA Mass Approx. 1.6 kg /3.53 lbs Note 1 : Guranteed ranges under the applicable safety standard are 0 to 31˚C (80% RH), 31˚C (80% RH), to 40˚C (50% RH). Dimensions 235/9.25 ABC ABC F RESET 7 8 9 P X ABC ABC F 7 8 9 P RESET 4 5 6 Y ABC ABC F ABC RESET 1 2 3 INC Z 0 • 9 ON POWER OFF 2-M4 175/6.89 For mounting Unit : mm/inch 5.2/0.20 80/3.14 45/1.77 130/5.12 Displays