1. Overview RM19E is an A/D conversion module used to convert the analog output signal of load cell into a digital output signal. 1) Highly stable A/D conversion technology and self-developed advanced filtering algorithms can still ensure the stability of the output code under extreme use environments. 2) Multiple data backups and super electrostatic protection can ensure the reliability of the module hardware. 2. Parameter 1) Model: RM19E 2) Data processing Full-scale output code: 1,000,000 codes A/D conversion rate: 10 times/second 3) Communication interface Connection protocol: RS485 (two-wire system), the module supports querying the weight code and AD code through 485. Baud rate: 19200 Date format: 11 bits (1 start bit, 8 data bits, 1 even parity bit, 1 stop bit) Signal transmission distance: ≤1000M Mailing address range: 00~31 Connection ESD protection: 15KV 4) Power supply Module power: DC 6V~12V Module power consumption: 7 m A (typical value) 5) Use environment Operating temperature range: -20~60℃ Storage temperature range: -30~70℃ Preheating time: ≥5 minutes 6) Applicable load cells Excitation voltage: DC 3.3V Load cells sensitivity range: 1mV/V~3mV/V Load cells input resistance: >350Ω Module diameter: ≤24mm Module thickness: ≤6mm 3. Wiring 1) The right side of the module is the analog connector, E+, E-, S+, S- mean positive excitation, negative excitation, positive signal, and negative signal of the analog load cell 2) The left side of the module is the digital connector, V+, V-, A+, B-