Technical Data
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netTAP NT 50 | Gateway Devices
DOC091202UM09EN | Revision 9 | English | 2013-02 | Released | Public
© Hilscher, 2010-2013
9.2.3 Open
Modbus/TCP
Parameter
Description
Maximum number of input data
256 Registers
Maximum number of output data
256 Registers
Acyclic communication
Read/Write Register:
- Max. 125 Registers per Read Telegram (FC 3, 4, 23),
- Max. 121 Registers per Write Telegram (FC 23),
- Max. 123 Registers per Write Telegram (FC 16)
Read/Write Coil:
- Max. 2000 Coils per Read Telegram (FC 1, 2),
- Max. 1968 Coils per Write Telegram (FC 15)
Modbus Function Codes
1,
2,
3,
4,
5,
6,
7,
15,
16,
23 (Function code 23 in server mode only)
Protocol Mode
Client or Server
Baud rates
10 and 100 MBit/s
Data transport layer
Ethernet II, IEEE 802.3
Reference to stack version
V2.5.x.x
Table 54: Technical Data Open Modbus/TCP Protocol
