User`s guide

Page 61

Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18)

5.4.6. Tables [6 & 7]: User Analog Inputs #1 & 2

Words [4

 63] PLC access: Read Only.

These tables contain 12-bit numbers (0

 4095) representing the current value for analog input

channels. This data is derived from holding registers [16 & 17] in the actuators and is retrieved with the

“standard data request

” - Modbus read command when the particular actuator is being polled

(scanned).

• Table [6]: Value for User Analog Input #1 (holding register [16] in the actuators)

• Table [7]: Value for User Analog Input #2 (holding register [17] in the actuators)

Example Table [6] Feedback (48-node network) …

Characteristics:

• There are no values on User Analog Input #1 on any unit on the network … all zero.

Last Node

on 48 Node

Network

First Node

on Network