14.02-21
2100-A
16
Modbus RTU Station Addresses.
Station addresses 1-64. The station number is programmed via the Program Address dialog box, which ties a station
number to the serial number of the station which the modbus protocol then uses. The Factory set default station
number for all stations is station #1. Station 0, broadcast commands are not supported.
Station address and input range configuration etc are set using the Micro Scan Station Programming software. Setup
of onboard station controllers and other station parameters supported in eeprom are also set via the programming
dialog boxes. These parameters are not accessible via the protocol.
The station can be tested with the Stations test dialog box which shows the current values of the inputs and relay
states, analogue output values can be set.
Using the Modbus Protocol.
* For ALL programming tables.
Jumper Status:
0=JUMPER NOT INSERTED
1=JUMPER INSERTED.
* Refer to
‘2100-A16 Terminals and Layout’
for the location of the following jumpers and switches.
Use the station programming dialog boxes to set the address of the unit and the ranges of inputs etc. Then power down
unit, insert jumper in position S1-5/6 and power up unit. It is then ready for Modbus RTU/TCP use. RTU/TCP mode is
not recognized unless a power up occurs with S1-5/6 jumper in. The station will not recognise programming message
when S1-5/6=1.
To use again via programming dialog boxes, power down the unit, remove jumper S1-6, and power the unit back up.
2100-A
16
S1-5 and S1-6 Jumper.
Also refer S1 Function Jumper Settings.
CAUTION: Dangerous Voltages may be present. The 2100-A
16
has no user serviceable parts.
Protective enclosure only to be opened by qualified personnel.
Remove ALL power sources before removing protective cover.
Note 1.
If using Modbus 485, put Comms jumper in
485 mode. I.e. H2; L3 &L4 jumpers in.
Refer to ‘H2 Comms Jumper Settings’.
Note 2.
The retransmission modes of AO1, AO2
can be used when the Modbus RTU protocol
is used.
Note 3.
Rev 1.3 ONLY.
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2100-A
16
Modbus RTU/TCP Address Map.
Note 1:
2100-R2 must be fitted to access 2100-R2
relays 1-16, plus 2100-R2 enabled on
Station Programming advanced dialog box.
Note 2:
Coils 3~16 reserved for future expansion.
2100-A
16
Modbus RTU/TCP Inputs.
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