24 bit accuracy, have been calibrated all signal input before ex factor. Also, users can programme himself, two input types must be same when testing two signals. Communication software: Communication interface: 1 standard rs485 interface or 2 standard rs232 interface Communication agreement: standard ascii, modbus, can make network communicate With plc, rtu or watch software. Data format: 10 bit, 1 start bit, 8 data bits, 1 stop bit. Communication address (0~255) and baud rate (300\600\1200\2400\4800\9600\19200\ 38400bps), max. Communication distance: 1200m, connect by both twists shiled cable. ¡¨¤ 15kv esdprotection, communication response time is less than 100ms. Anti jamming: Set checksum according to need. Its inside contains momentary bate diode, can Restrain surge impulse, protect modules. Model selection: Iso 4021a u(a) - Input voltage or current signal U1: 0-5v a1: 0-1ma U2: 0-10v a2: 0-10ma U3: 0-75mv a3: 0-20ma U4: 0-2.5v a4: 4-20ma U5: 0-¡¨¤ 5v a5: 0-¡¨¤ 1ma U6: 0-¡¨¤ 10v a6: 0-¡¨¤ 10ma U7: 0-¡¨¤ 100mv a7: 0-¡¨¤ 20ma U8: customized a8: customized Communication interface 485: output is rs-485 interface 232: output is rs-232 interface 232/485: output is rs-232orrs-485interface, rs232/485 switchover freely Size:62*51*83mm
