... interfaces: RS485 serial port (Another allocation) 3, the largest total: 999,999 4, the value range: 1-999999 5, pulse equivalent: 0 ... 7, accumulated error: ± 1 pulse 8, batch: 1 ~ 999, Gap Time: 1 to 999 S 9, power supply: AC220V ± 10% 10, the ...