Siemens SICAM Q100 - Communication Interfaces

13 Technical Data
13.1 General Device Data
323SICAM Q100, 7KG95xx, Device Manual
E50417-H1040-C522-A4, Edition 03.2018
13.1.3 Communication Interfaces
Ethernet (Connector Z)
Serial Interface (Connector J)
Ethernet, electrical
Connection Device top side
RJ45 connector socket
10/100Base-T acc. to IEEE802.3
LED yellow: 100 Mbit/s (off/on)
LED green:
 flashing: active
 on: not active
 off: no connection
Protocols Modbus TCP
IEC 61850 Server
Voltage strength DC 700 V, AC 1500 V
Transmission rate 100 Mbit/s
Cable for 10/100 Base-T 100 to 150  STP, CAT5
Maximum cable length
10/100 Base-T
100 m, if well installed
RS485 Connection Terminal side, 9-pin D-sub socket
Protocol Modbus RTU Master and gateway function
Baud rate (adjustable) Min. 1200 bit/s
Max. 115 200 bit/s
Maximum distance of
transmission
Max. 1 km
(depending on transmission rate)
Transmission level Low: -5 V to -1.5 V
High: +1.5 V to +5 V
Reception level Low:  -0.2 V
High:  +0.2 V
Bus termination Not integrated, bus termination using plugs with
integrated bus terminating resistors (see figure
13-1 )