User Manual

ManualsBrandsSiemens ManualsBuilding automationOperator unit PXM20

231

Desigo

™ PX

Operator unit

PXM20

BACnet on LonTalk

Networkable operator unit for viewing and operating one or several Desigo PX

automation stations

• Display with adjustable contrast

• Energy saving LED backlight (series D and later)

• Simple key operation with direct access to the required plant information

• Generic operation and display of plant functions (alarm handling, time

schedulers, calendars, setpoint adjustments, display of current values, etc.)

• Integrated acoustic and/or visual collective alarm

• Graphic online-trend function

• Support of integrated access protection in the overall Desigo system

• Ability to add or delete new users

• Automatic logout

• Heating curve graphics

• System date and time setting

• Context-sensitive help function

• Installation in modular automation station PXC..-U or remote

CA1N9231en_04

2015-01-06

Building Technologies

Summary of content (8 pages)

PAGE 1
9 231 Desigo™ PX Operator unit BACnet on LonTalk PXM20 Networkable operator unit for viewing and operating one or several Desigo PX automation stations • • • • • • • • • • • • • CA1N9231en_04 2015-01-06 Display with adjustable contrast Energy saving LED backlight (series D and later) Simple key operation with direct access to the required plant information Generic operation and display of plant functions (alarm handling, time schedulers, calendars, setpoint adjustments, display of current values, et
PAGE 2
Application The PXM20 operator unit ensures the convenient display and operation of Desigo PX automation stations via BACnet network communication. The graphics-based display with clear text and direct access via the keyboard ensure a most user-friendly operation. Functions All values visible in the system can be displayed in accordance with the defined operator profile.
PAGE 3
1 2 3 4 5 6 7 Display Navigation keys (direct access keys and PageUp/PageDown keys): The direct access keys allow direct access to the relevant line. Possible functions: – Select value and start the value adjustment – Confirm new value – Start function – Open object The PageUp and PageDown keys are provided for page scrolling if a page contains more values than can be shown on the display at the same time. Alarm LED: The alarm LED lights up or flashes if an alarm is present in the system.
PAGE 4
In the exception program, too, the exceptions are created, modified or deleted by using the navigation and editing keys. It is possible to define exception days (e.g. a bank holiday) as well as exception periods (e.g. holiday periods). Click the EXCEPTIONS field to display a list of all programmed exceptions. Online trend The PXM20 operator unit provides the user with five channels for trend logging, enabling 5 data points to be logged.
PAGE 5
Ordering 1 PXM20 operator unit Compatibility Device Type Compact automation stations Modular automation stations Compact automation stations Modular automation stations PXC... PXC...-U PXC....D or PXC...-T.D PXC....D Data sheet N9211 N9221 N9215 N9222 Accessories Description Type Connection cable (CAT5), length 3.
PAGE 6
Disposal The device is classified as waste electronic equipment in terms of the European Directive 2012/19/EU (WEEE) and should not be disposed of as unsorted municipal waste. The relevant national legal rules are to be adhered to. Regarding disposal, use the systems setup for collecting electronic waste. Observe all local and applicable laws.
PAGE 7
Mounting options – For control panel mounting, remote operating panels, etc. – DIN rails – Direct on modular automation stations Connections See page 7 Housing protection standard Protection standard to EN 60529 IP 40 (built-in), else IP30 Protection class Isolation protection class III Ambient conditions Operation Class 3K5 to IEC 721 Temperature 0 ... 45 °C Humidity < 85 % rh Transport Class 2K3 to IEC 721 Temperature – 25 ...
PAGE 8
Dimensions All dimensions in mm 00343 37 5.6 176.8 11.6 00267 47.4 ø 4.8 64.