2 digital communications parameters, Digital communications parameters – Sterlco Micro Series Water Temperature Control Unit User Manual

Page 23

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3200 Series

ACS 3216 Operators Manual 23

9.2

Digital Communications Parameters

The following table shows the parameters available.

DIGITAL COMMUNICATIONS LIST

‘comms’

Name

Scrolling
Display

Parameter Description

Value

Default

Access
Level

none No module fitted
r232 RS 232 Modbus interface
r485 RS485 Modbus interface
r422 RS422 Modbus 3216 only

I D

MODULE
IDENTITY

Comms identity

dc.ip Remote setpoint input. If fitted this

ID replaces the above and no further
parameters are shown

As order
code

Conf

L3 R/O

A D D R

COMMUNIC
ATIONS
ADDRESS

Communications address
of the instrument

1 to 254

1

L3

1200 1200
2400 2400
4800 4800
9600 9600

B A U D

COMMUNIC
ATIONS
BAUD RATE

Communications baud rate

19.20 19,200

9600

Conf

L3 R/O

none No parity
Even Even parity

P R T Y

COMMUNIC
ATIONS
PARITY

Communications parity

Odd

Odd parity

none

Conf

L3 R/O

Off

No delay

D E L A Y

RX/TX
DELAY
TIME

To insert a delay between
Rx and Tx to ensure that
drivers have sufficient time
to switch over.

on

Fixed delay applied

Conf

L3 R/O

none None
W.SP

Working setpoint

PV

Process Variable

OP

Output demand

R e t r a n

COMMS
RETRANSM
ISSION

Master comms broadcast
parameter.

Err

Error

none

r e g . a d

COMMS
RETRANSM
ISSION
ADDRESS

Parameter added in the
Slave address to which the
master communications
value will be written

0 to 9999

0

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