The system menu allows the communications to and from the device to be configured and also allows
various functions to be enabled from the run mode. The passcode can also be changed from within this
menu. (See menu below).
14.0 SYSTEM MENU
MODBUS DEVICE ADDRESS
This sets the address for the RS485 communications. The default is 1 and the maximum is 247.
NUMBER OF WIRES
This defines the type of RS485 communication mode. It can either be 4 (full duplex) or 2 (half duplex).
BAUD RATE
This defines the comms baud rate i.e. the speed of communication between the unit and interrogating
device. The Baud rate is displayed in bps.
MENU TYPE
When ‘
SHort
’ type is chosen, access to the greyed out menu items is restricted. To allow access to these
items the ‘
FULL
’ menu type should be chosen.
START UP DELAY TIME
The outputs of the unit will not operate until the start up delay time (measured in seconds) has expired.
The minimum delay is 5 s and the maximum 3 600 s.
DISCRETE ACTIVE LEVEL SELECT
The function of the discrete input ‘
dISc
’ is to operate as a remote clear button press, i.e. you can use this
to reset the totals remotely. This menu item selects whether the clear function is executed when the
discrete is high (24 V) ‘
ACt HI
’ or low (0 V) ‘
ACt LO
’.
MENU ACCESS PASSCODE
When accessing the menus from ‘Run’ mode, the user is prompted for this passcode. If it is zero (default),
then there is no prompt and the password function is disabled. If the password is forgotten please contact
your supplier.
USER OFFSET
This value is used to offset the scaled process variable by a fixed amount.
MENU TIME OUT
This sets the amount of time after which the display will revert to the ’Run’ mode if no key is pressed.
ENABLE
Enables the following sub-menu:
CLEAR LATCH
When set to ‘
On
’ latched alarms can be cleared by pressing the clear button on the front panel, or
applying discrete input 1.
CLEAR TOTAL
When set to ‘
On
’, the total is reset by pressing the clear button on the front panel.
EDIT SETPOINTS
When set to ‘
On
’ the edit setpoints submenu can be accessed directly from the ‘Run’ mode.
14.1 SYSTEM MENU FUNCTION BLOCKS
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LinES
Number of wires
SyStEn
System
Enter value
(0 to 247) default 1
4
4 wire RS485
2
2 wire RS485
bAUd
BAUD rate
19 200
9 600
1 200
tyPE
Menu type
SHort
Short menu
FULL
Full menu
StArt
Start up delay time
Enter value in seconds
ACt HI
Active high
ACt LO
Active low
PASS
Menu access passcode
Enter value
0 to 65535 default:0
OFFSEt
User offset
Enter offset
t Out
Menu time out
60 SEC
60 seconds
EnAbLE
Enable submenu
OFf ON
OFF ON
OFF ON
1hour
1 hour
CL LAt
Clear latch
CL tot
Clear total
EditSP
Edit setpoints
diSC
Discrete activity level select
AddrES
Address
