Specification Display 5 digit LED, 10mm character height. Programmable for 0, 1, 2 or 3 decimal points. Range +99999 / -9999 Least significant digit can be set to count in steps of 1,2,5 or 10 Load cell input Direct connection of up to 4 x 350R load cells. An internal amplifier feeds this signal into a 24bit ADC which takes up to 120 readings/sec.
Operation The display can show live readings or can be set to peak hold mode (see 3.4) which allows peak and trough values to be viewed. 5 digit LED display Setpoint relay status indicators 4 button keypad This button is used to switch the instrument to configuration mode. The TARE button is used in configuration mode to increment digit values and for navigation.
Configuration Load cell calibration Press then PROG button then press 5 or 6 until CAL is displayed. Press the 4 key to enter the calibration mode. The instrument can be calibrated to the load cells by adding a known weight. Before adding a known weight, make sure you tare the instrument before entering calibration mode.
Remote Display When the RS232 interface is fitted the option is available to connect a remote display, rdisp such as a unit from the SY033 range. Press the 4 key to indicate state, on or off. With remote display on, anything shown on the LED display, will also be shown on the remote display.
Response Read Unit ID Model number, Firmware version and serial number. Eg. SY035,V3.0, 1234cr Programme heading A heading of up to 46 characters can be programmed to appear on the printout Follow the *H command by the required message, terminated by carriage return if less than 46 characters.
Connections Power in Setpoint relay 1 Setpoint relay 2 Fuse Analogue output adjustments RS232 Load cell input Remote Tare AC Power input Normally open contact Live to L/+, Earth to E , Neutral to N/-terminals. Link to tare off (zero) Voltage range 95 to 264V displayed reading.
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If not suppressed this can affect instruments in the vicinity, including the SY035, and significantly reduce the life of the relay contacts. A varistor of the appropriate voltage, or a capacitive suppressor can be used. The ideal way to connect power to the controller and the inductive load is to use two separate power supply’s one to power the controller and one for the contactor, solenoid or relay, if...
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