Siemens SENTRON PAC3120 - Connection Component Specifications

Technical data
10.1 Technical data
PAC3120 and PAC3220
Equipment Manual, 10/2019, L1V30425208F-01
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Communication PAC3120
Communication PAC3120
RS485 interface Electrical interface RS485, two-wire line + 1 line for Com-
mon
Connection type
Screw terminals
Supported communication protocol Modbus RTU
Functionality Slave
Supported baud rate
• 4800
• 9600
• 19200
• 38400
• 57600
• 115200
Default: 19200
Data format
• 8N1
• 8N2
• 8E1
• 8O1
Default: 8N2
Supported address area 1 … 247
Default: 126
Communication PAC3220
Communication PAC3220
Ethernet interface
Number of interfaces
2
Version
RJ45
Protocol
• Modbus TCP
• Web server (HTTP)
• SNTP
• DHCP
Number of simultaneous communica-
tion connections
3 Modbus TCP connections + web
server
Data rate 10 / 100 Mbit/s, autonegotiation and
auto-MDX (medium-dependent inter-
face)