Emerson Bettis RTS Installation, Operation And Maintenance Manual - Page 10
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Section 3: Setup
November 2021
Section 3: Setup
If Modbus RTU is activated, the following additional parameters will be visible in the control
menu of your Bettis Electric Actuator. Each device connected to a Modbus RTU-network
has to receive a unique address during setup.
Table 1.
P15.1
P15.2
P15.3
P15.4
P15.5
P15.6
P15.7
P15.8
6
Installation, Operation and Maintenance Manual
Menu item Sub-item
Modbus
Modbus
Address
Modbus
Channel A
Address
Modbus
Channel B
Modbus
Watchdogtime
Setpoint
Modbus
Source
Modbus
Status 2
Modbus
Status 3
Modbus
Status 4
Options
Explanation/Comments
0: not active
Modbus RTU deactivated.
1: activated
Modbus RTU activated.
0 bis 247
Set the bus address of the first/primary channel.
Set the bus address of the second/secondary channel
0 bis 247
(only for option "Modbus RTU redundant").
Monitoring period of the togglebit. (Bit 7 in Master's
command). This bit has to toggle in the specified time
0.0 – 10.0 s
or a buswatchdog error is detected. If Watchdogtime
{0.0 s}
is set to 0.0 s, the watchdog is deactiveted. Toggling
the respective bit can now be ommited.
Setpoint specified by Modbus RTU (effective only
{0}: Standard
if positioner is activated).
Setpoint specified by analogue signal (effective only
1: Analog.
if positioner is activated).
Setpoint specified by Modbus RTU. In case of bus
2: Bus/Analog
error, setpoint specified by analogue signal (effective
only if positioner is activated).
{0}
Standard value for Status 2.
1 - 2
Reserved for future use.
{0}
Standard value for Status 3 (current event).
1 - 2
Reserved for future use.
{0}
Standard value for Status 4.
1 - 2
Reserved for future use.
VCIOM-16741-EN Rev. 0