IDEC High Performance Series - Manual (Page 103)

WindO/I-NV2 User’s Manual 3-1
3
Communic
ation
1
This chapter describes the communication between the MICRO/I and the external device.
1.1 Overview
PLC Link Communication refers to the communiation protocol used for communication with the MICRO/I, via the CPU
Unit
*1 or PLC Link Unit *1 Programming Port of the external device connected to the MICRO/I.
The MICRO/I continuously reads the value of device of external devices on the currently displayed screen, and
external devices (such as relays and registers) on the screens are updated with the latest data at all times.
When a button is pressed or a command is executed in the MICRO/I screen, the value is written to the external
device.
*1 Unit names vary based on the manufacturer of the external device.
Chapter 3
Communication
1 PLC Link Communication
HG3G HG2G-5F HG2G-5S HG2G-S HG4G HG1F HG2F HG2S HG3F HG4F
MICRO/I
1234
External device
PLC Link Commuication
0 1
Read
Write
D0:
M0:
1234
Numerical Display
Reference Device: D0
Bit Button
Destination Device: M0
For details regarding the PLC Link Communication, refer to Chapter 1 "PLC Link Communication" and
Chapter 2 "Connection to a PLC" in the "External Device Setup Manual".