Siemens SICAM Q100 System Manual page 121

MSB
MSV
N
NaN
NTP
R
RJ45
RS485
RTC
RTU
S
Server
SNMP
SNTP
SW
STP
Subnet mask
T
TCP/IP
SICAM Q100, 7KG95xx, System Manual
E50417-C1040-C522-A8, Edition 09.2020
Most Significant Bit
Mains Signalling Voltage
Not a Number means "invalid": Result of an invalid computing operation
Network Time Protocol: Standard for synchronizing clocks in computer sys-
tems using packet-based communication networks
Ethernet plug connector
Interface standard for digital, wire-based, differential, serial data transmis-
sion
Real-Time Clock
See Modbus Remote Terminal Unit
Sends data upon request by the client
Simple Network Management Protocol: Serves for monitoring and control-
ling network elements of a central station
Simple Network Time Protocol: Simplified version of the NTP
Software: Program executed on a computer
Shielded twisted-pair is the cable for 100Base-T (Ethernet)
Bit mask in the network protocol that defines how many IP addresses the
computer network encompasses. Together with the IP address of a device,
the subnet mask defines which IP addresses the device searches in its own
network and which IP addresses it tries to reach via routers in other net-
works.
Transmission Control Protocol/Internet Protocol: Family of network proto-
cols
Glossary
121