5.6 M
ODBUS
The printers MTH-2500, 2700 et 3500 manage the Modbus protocol in RTU
mode RTU (ASCII mode is not implemented).
Modbus protocol can be used with the interfaces :
[8] : RS422 (Modbus over Serial)
[9] : Ethernet (Modbus over TCP) with a Lantronix Xport-IAP module.
For all others interfaces, value Modbus → ON/Slave has to be « Disabled »
Groups
Fields
Values
Modbus
ON/Slave
Disabled, Slave 01 to 30, Slave 252
Latency
AUTO 3.5c, Lat 2 msec, Lat 5 msec, Lat 10msec,
Lat 20msec, Lat 50msec, Lat 0.1sec, Lat 0.2sec
Groupe 5 Word>Bytes D=LOW-HIGH (direct), I=HIGH-LOW (inverted)
●
Modbus
: Modbus protocol parameters
ON/Slave:
Disabled :
Modbus protocol not used
Slave 01…30,
Activation of the Modbus protocol &
Slave 252 :
Selection of the slave address from 1 to 30 or 252
Latency :
Waiting latency between 2 Modbus frames
AUTO 3.5c :
Duration of the transmission of 3.5 characters
Lat #### :
Duration indicated by the value after the word « Lat »
Word>Bytes :
Insertion order of the 2 bytes of each word
in the reception buffer : D=Direct, I=Inverted
For more explainations, please refer to the Application Notes
:
AN157
for Modbus over TCP
AN164
for Modbus over Serial
5.7 D
OCUMENTATION
REVISIONS
39
MTH-2500, 2700 & 3500 v3.4
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Documentation
Firmware
doc_mth2500_1806_e34
F211 v1.60 or greater
doc_mth2500_1701_e33
F211 v1.60 or greater
doc_mth2500_1612_e32
F211 v1.60 or greater
doc_mth2500_1512_e31
F211 v1.50
doc_mth2500_1402_e303
F211 v1.01 to v1.27
doc_mth2500_1103_e301
F211 v0.8 to v1.0
doc_mth2500_1008_e22
F168 and F191