User Manual

Siemens Building Technologies CM2N8879en / 01.05.02

Building Automation 1/2

879

VISONIK

BPS communication with MONOGYR

Function sheet

MONOGYR is a communicative individual room control system. The VISONIK

building process station (BPS) as the communications master allows for

implementing room management functions such as:

• Central control and supervision of room temperature control circuits.

• Central acquisition and statistical evaluation of room control data.

• Controlling central energy handling plants according to statistically handled

room control data.

Communication between the BPS and the MONOGYR RCE81 individual room

controllers takes place on the M-bus, short for MONOGYR data bus:

BPS

DCS / Insight

RCE81 SEZ81RCE81 RCE81 RCE81

Communications master

8879Z01en

M-bus

The MONOGYR data bus consists of a two-wire line (max. 2500 m long). The most

important features of communication are:

– The M-bus allows for connecting up to 100 individual room controllers and/or

switching units.

– A COM2 (PVC2.2M) communication card is necessary to connect the M-bus to the

BPS.

– The individual room controllers and switching units are addressed using address

plates, and they are generated as MONOGYR data points in the BPS process image

upon engineering.

– If the BPS recognizes a MONOGYR data points, the MONOGYR functionality is

enabled automatically in the BPS. Afterwards, the individual MONOGYR functions

are processed cyclically.

– The BPS is also used for communication with the VISONIK data and communication

server (DCS) and VISONIK Insight.

Use

Topology

MONOGYR data bus

and BPS

PAGE 1
8 879 VISONIK® BPS communication with MONOGYR® Function sheet MONOGYR is a communicative individual room control system. The VISONIK building process station (BPS) as the communications master allows for implementing room management functions such as: • Central control and supervision of room temperature control circuits. • Central acquisition and statistical evaluation of room control data. • Controlling central energy handling plants according to statistically handled room control data.
PAGE 2
Integration The RCE individual room controllers and the SEZ switching units are grouped logically in the BPS process image, and assigned to the @MGR and @MGG point types as follows in accordance with the room distribution in the building: – MONOGYR rooms (@MGRn) featuring up to 10 controllers and 10 switching units. – MONOGYR groups (@MGGm) featuring up to 20 MONOGYR rooms @MGR. Process image @MGG1 @MGR2 @MGR1 .RCE1 .RCE2 .RCE3 8879Z02en Principle .RCE5 .