203
External equipment
9
9.1. Standard RS-485 interface ………………………204
9.2. 2-wires method serial interface (serial interface) 214
9.3. External control I/O …………………………………218
9.4. Analog output ………………………………………229
9.5. BCD output …………………………………………236
9.6. RS-232C interface …………………………………247
9.7. RS-422/485 interface ………………………………252
9 External equipment
This chapter describes how to wire and set external equipment.