Siemens SINEC L2 User Manual

Technical Specifications; Cycle Delay Times S5-95U, SINEC L2
Layer 2 Services
- Amount of data per job 0 to 242 bytes
- Reachable destination address
(when sending data) 1 to 126
- Possible source address
(when receiving data) 1 to 126
- Number of layer 2 accesses 23 (SAP 33 to 54, 64)
- SDA Active station sends data to an
active or passive station
- SDN Active station sends data to
several active or passive stations
- RUP_SINGLE Active or passive station holds
data ready for fetching once only
by an active station
- RUP_MULTIPLE Active or passive station holds
data ready for fetching by several
active or passive stations
- SRD Active station sends data and/or
fetches data held ready for it from
an active or passive station
FMA Services
- LAS_LIST_CREATE local service
(no additional bus load)
- MAC_EVENT local service
(no additional bus load)
- FDL_STATUS remote service
(additional bus load)
- READ_VALUE local service
(no additional bus load)
- TIME_TTH_READ local service
(no additional bus load)
Programmer Functions
SINEC L2 Communications Services (Continued) Integral Blocks
Integral Organization Blocks
- OB1 cyclical program scanning
- OB3 interrupt-driven program processing
- OB13 time-controlled program processing
- OB21 start-up program processing
(manual cold restart)
- OB22 start-up program processing
(power recovery)
- OB31 cycle trigger
- OB34 battery failure
- OB251 PID control algorithm
Integral Function Blocks
- FB240 code converter: BCD4 to 16-bit
fixed point
- FB241 code converter: 16-bit fixed point
to BCD4
- FB242 multiplier: 16-bit fixed point
- FB243 divider: 16-bit fixed point
- FB250 reading in analog values
- FB251 outputting analog values
- FB252 L2-SEND
- FB253 L2-RECEIVE
E-2 EWA 4NEB 812 6112-02

Siemens SINEC L2 Specifications

General

Brand	Siemens
Model	SINEC L2
Category	Controller
Language	English