Micromod Micro-DCI: 53SL5100A Single Loop Controller - Manual (Page 134)

Single Loop Process Controller Instruction Manual
126 Communications
B.1.1 Configuration
To initialize the instrument for binary communications, configure the instrument as described in Table B-1 ,
Column 3 (Set Up).
Table B-1. Communication Module
Title Datapoint Set-Up Default Attribute
Purpose: This module is used to configure the Datalink port parameters (e.g., baud rate, parity
selection, etc.).
Instrument
Address B01 S 0 This item identifies the address of this instrument on
the Datalink network. Each unit connected to the
Datalink network must have its own unique address.
Valid addresses are from 0 to 31.
Baud Rate B02 S 253 This datapoint value designates the baud rate (data
transfer rate) of the Datalink network. The baud rate
must be the same for all of the instruments
connected to the same Datalink network. Datapoint
values and their corresponding baud rates are as
follows:
Value Baud Rate Value Baud Rate
255
254
N/A
253
250
244
232
208
160
N/A 28800
14400
N/A
9600
4800
2400
1200
600
300
N/A
9
8
7
6
5
4
3
2
1
0 28800
14400
19200
9600
4800
2400
1200
600
300
110
No Parity L256 0 0 This datapoint indicates if parity generation and
checking should be turned on or off. It is set to 0 for
even parity serial byte protocol. It is set to 1 for no
parity protocol.
No Byte
Stuffing L258 0 0 When set to a 1, this datapoint disables the
standard MicroMod communication protocol feature
which inserts a 00 (NUL) byte after every 7EH
(SOH) that is not the beginning of a message. (This
permits user-written communications software to
determine the number of bytes to expect in a
response message.) It must be set to 0 when using
MicroMod communications software or equipment.
Datalink
Disable L257 0 0 When set to 0, it permits full Datalink
communication capabilities. When set to 1, it
disables Datalink communication capabilities.
Note: S = Select a value from the Attribute column. Use all other datapoint values as shown.