Siemens D7-SYS - Page 92

Communications configuring
System- and communication configuring D7-SYS - SIMADYN D 3-3
Edition 12.2003
Used for the
communications
partner
• CPU-CPU communications for higher data quantities
as an alternative to $ signals
Hardware required
• Communications buffer module (e. g. MM11)
Communications
utility
• Process data
Central coupling
block
• @CMM
Features
• SIMADYN D-internal memory coupling
Table 3-2 Communications buffer coupling
Used for the
communications
partner
• SIMADYN D
Hardware required Communication modules for the master interface:
• CS12 (master for 1 slaves)
• CS13 (master for 4 slaves)
• CS14 (master for 8 slaves)
Hardware required Communications module for the slave interface:
• CS22
Communication
utility
• Process data, message system, trace
Central coupling
block
• @CS1
• @CS2
Features
• Fiber-optic cable
• CS12:
Point-to-point coupling with CS22 slave interface
• CS13: Coupling with 4slave interfaces CS22
• CS14: Coupling with 8 slave interfaces CS22
• CS22: Coupling with master interfaces CS12, CS13 or
CS14
• Parallel coupling of up to 9 SIMADYN D subracks
• All subracks can be synchronized
• Uniform system clock possible (unified)
• Fast
• The maximum distance between 2 subracks is 500 m
• The master and slave can be disabled (disconnected)
at any time
• Can only be used with subracks which have a C bus
Table 3-3 Subrack coupling
Communications
buffer coupling
Subrack coupling