Schneider Electric 890USE17700 - Manual (Page 135)

Data Exchange
890USE17700 April 2004 135
List of Supported
Commands The following table lists the Modbus commands that the STB NIP 2212 supports:
Modbus
Function
Code Subfunction
or Subindex Command Valid Range Max. No. of
Words per
Message
3 read holding registers (4x) 1–9999 125
4 read input registers (3x) 1–4697 125
6 write single register (4x) 1–5120 and
9488–9999 1
8 21 get/clear Ethernet statistics (See
Ethernet Statistics, p. 136) 0–53 N/A
16 write multiple registers (4x) 1–5120 and
9488–9999 100
22 mask write registers (4x) 1–5120 and
9488–9999 1
23 read/write multiple registers (4x) 1–5120 and
9488–9999
100 (write)
1—9999
(read) 125 (read)