en
Electrical connection
116
WILO SE 2020-12
ƒ
Transfer of measured values
CAUTION! An intervention of the higher-level control system outside the defined
channels can cause the system to malfunction!
The cross-system parameters for sensors and control triggers are centrally connected
to the I/O module. The corresponding functions are assigned via the Digital Data Inter-
face.
Switch/Router
Wilo I/O 2
HMI
Ethernet
Ethernet
Modbus
Signal cable
Sensors
Control cable
Power connection
Optional
Mandatory for
potentially explosive conditions
2x inputs, freely configurable:
• Pressure
• Flow
4x inputs, freely configurable:
• Reset
• External approval
• Pump out
• Alternative start level
3x outputs, freely configurable:
• Operation
• Increasing level
• Dropping level
• Error
• Warning
• Flush cycle active
Fill level
Digital inputs
Analogue inputs
Relay outputs
Zener
barrier
Ex disconnect
relay
Frequency converter
Safe Torque off (STO)
Dry run
High water
Fig. 13:
Connection of LSI system mode: I/O2 module
Summary of Contents for DD-I
Page 2: ......
Page 3: ...3 Chinese simplified 4 English 96 ...
Page 5: ...zh CHS 安装及操作说明 Wilo DD I 5 9 1 现场总线 参数概览 69 9 2 LSI 系统模式的示例电路图 88 ...
Page 89: ...附录 zh CHS 安装及操作说明 Wilo DD I 89 另请参见 2 LSI系统模式 不带Ex的连接示例 90 2 LSI系统模式 Ex的连接示例 93 ...
Page 90: ...zh CHS 附录 90 WILO SE 2020 12 9 2 1 LSI系统模式 不带Ex的连接示例 ...
Page 91: ...附录 zh CHS 安装及操作说明 Wilo DD I 91 ...
Page 92: ...zh CHS 附录 92 WILO SE 2020 12 ...
Page 93: ...附录 zh CHS 安装及操作说明 Wilo DD I 93 9 2 2 LSI系统模式 Ex的连接示例 ...
Page 94: ...zh CHS 附录 94 WILO SE 2020 12 ...
Page 95: ...附录 zh CHS 安装及操作说明 Wilo DD I 95 ...
Page 188: ...en Appendix 188 WILO SE 2020 12 9 2 1 LSI System mode connection ex ample without Ex ...
Page 189: ...Appendix en Installation and operating instructions Wilo DD I 189 ...
Page 190: ...en Appendix 190 WILO SE 2020 12 ...
Page 192: ...en Appendix 192 WILO SE 2020 12 ...
Page 193: ...Appendix en Installation and operating instructions Wilo DD I 193 ...
Page 194: ......
Page 195: ......