Implemented protocols in UNIGATE® EL
Deutschmann Automation GmbH & Co. KG
51
UNIGATE
®
fieldbus gateway UNIGATE
®
EL - DeviceNet
™
V. 1.0
22.6.17
15.3.8.3 Configuration: via WINGATE since wcf file Version 411
Configuration parameter for a Modbus Request:
Req. 1 Slave ID:
Slave ID of the Modbus slave participant
Req. 1 Modbus Function:
see “supported functions”
Req. 1 StartAdr (hex):
Start address (High / Low) of the Modbus register from which should be
read/written
Req. 1 No. of Points (dec):
Number of the to read/to write register/coils
Req. 1 Fieldbus Map Adr(Byte):
Position of the to be copied process value from/to the fieldbus
range, depending on the write/read-command. If the value is NULL the process data is automati-
cally lined up behind the other.
Up to 22 requests can be configured.
Additional configuration possibilities in the setting „Req. … Modbus Function“:
jump to Req. 1:
jump to 1. request entry
disable this Req.:
skip this request and perform the next request entry.
„(10ms)“ : adjustable in 10ms steps
„(hex)“: Enter in hexadecimal style.
„(dec)“: Enter in decimal style.
„(Byte)“: Counting in bytes, starting at the position Null. Attention: For read commands, e.g. FC3, after the trigger- and
lenghtbyte the first process value is the postion nulll, which is copied to the fieldbus to the PLC.
For write commands, e.g. FC16, the position Null is the trigger byte.
Parameter Name
value range
Explanation
Modbus Timeout (10ms)
1 ... 255 (10ms ... 2550ms)
Max. Waiting time for the "Response" before
an error 9 is generated by timeout. If "RX Poll
Retry" > 0 an error is only generated after
retries.
RX Poll Retry
Retry of the last, invalid replied
"Request"
RX Poll Delay (10ms)
Pause before the next “Request”