Micromod MOD: Modcell 2050R MODBUS Communications User Manual
Page 17

IB-23C650M
RS-485 COMMUNICATIONS SETUP
Table 1. RS-485 Setup Menu
Middle
Display
Bottom
Display
Entry Description
**MENU**
None.
ENABLE
ON
OFF
= enables the bus for communications with a
host device.
= disables the communications bus from
receiving or writing with a host device.
The bus must be disabled in order to make
changes in the following steps.
ADDRESS
XXX
Where X is any address between 1 and 247.
Each instrument on a bus must have a unique
address.
RATE
XXXX
Where X is one of the following baud rates;
150, 300, 1200, 2400, 4800, 9600, 19200,
38400. All devices on the same bus must have
the same baud rate.
SELECT
ODD
EVEN
= Parity calculation is odd.
= Parity calculation is even.
Note: Total word length equals start bit (1) +
data (8 bits) + parity (1) + stop bits (1/2).
Total word length can be 11 or 12 bits.
BITS
1
2
= One stop bit appended to character.
= Two stop bits appended to character.
TYPE
RD_ONLY
RD/WRITE
= Allows the host device to read only from the
controller.
= Allows the host device to read data from and
write data to the controller.
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