Compact design. Suitable for panel mounting.
Selectable display resolution
Five different replaceable I/O boards. Up to 3 boards can be installed at a time

Specifications

Expansion I/O Boards

Model		LY51
No. of connectable axes		2
No. of display axes		1
Display	Main	7 digits, LED display (leading zero suppress, floating minus sign)
	Aux	Two 7 digits, green LED display (leading zero suppress, floating minus sign), 16 digits message display
Display resolution		Varies with the transducer (0.1 µm with DE-B gauge)
Max. response speed		Varies with the transducer
Reset/Preset/Recall		By key operations or external input
Peak hold function		Max./ min./ peak-to-peak values
ADD/SUB		A+B, A-B, B-A
Linear error compensation		When table moves a certain distance, a unit of compensation value is added or subtracted for linear compensation
Zero point detection		Used with a transducer having a zero point, LY51 detects the zero point
Data latch		Output latch and display latch
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. Transducer 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%
Power consumption		30 VA
Mass		Approx. 2 kg/ 4.41 lbs

BCD Unit LZ51-B
Output	7-digit parallel data (4 bits x 7 digits), sign (1 bit), READY signal (1 bit), positive/negative logic selectable
Electrical	Open collector (48 VDC max.); Ic=300 mA Output IC: SN75468NS
Lash input	5 to 24VDC photo coupler; BCD output alone or both BCD output and display can be latched
Comparator Unit LZ51 - K/R
Comparison data	Current value, max. value, min. value, p-p value
Upper/lower limit settings	Selectable from max. of 16 sets (max.) of data (1 set consists of 1 to 4 comparison data)
Go/NoGo evaluation	5 points, Open collector (24 VDC max.); Ic=300 mA; Output IC: SN75468NS; relay output
Ext. input	5 VDC to 24 VDC photo coupler
Display	When comparison is made with another value than current value, the main display can be set to show either max., min. or p-p value in addition to the current value
RS-232C Unit LZ51-C
Transfer Rate	600, 1200, 2400, 4800, 9600, 19200 bps
Stop bit	1 or 2 bits
Parity	Odd, even, no parity
Data length	7 or 8 bits
Data processiing speed	20 data/ s (at 9600 bps)
A/B phase Unit LZ51-H	A/B phase output (1st or 2nd axis) Differential 75113 and open collector 7407