Display. Introduction

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1 Object Dictionary 1 Display Introduction The Display object configures the display of a Local Display Terminal (LDT) in an N30 supervisory controller. Use Project Builder to create a Display object for each LDT used in a site. Note: You cannot create or edit Display objects using a VT100 terminal or emulator. The Display object manages the online/offline status of the LDT, downloads menu data to the LDT, updates menu item data values to the LDT, receives user-initiated edits from the LDT, and handles unit alarms displayed on the LDT. For information about the LDT, see the Local Display Terminal (LDT) Installation Instructions (LIT-12023). For information about using Project Builder to configure a Display object, see the Project Builder User s Guide. May 1, 2002 Johnson ontrols, Inc. ode No. LIT Software Release 5.1

2 2 Display s Specific s Table 1: Properties Name Metasys ommon s Data Type Table 1 lists the attributes specific to the Display object. The Display object also has the attributes of the Metasys ommon object. Refer to Table 1 in the Metasys ommon Object chapter (LIT ) for details. N30 Flags* N30 Default Value Options/Range See Table 1 in the Metasys ommon Object chapter (LIT ). Active Filter Enumeration W Pass All Enumeration set: 0 = Pass None 1 = Pass All 2 = 3 = 4 = and B Alarm Reference ategory ategory List of References HVA Fire Security Services Administrative Bit String W All bits set See ategory. Display Units Enumeration W 0 (Imperial Units) MenuDict Blob Menu Reference Msg Type Msg Type Net N2 Address Octet String List of References See Base Units Enumeration Set in (LIT ). System Alert Operator Transaction Alarm Bit String W All bits set See Msg Type. Byte 32 Range: Offline Boolean W 1 ontinued on next page... * - onfigurable, W - Writable

3 Object Dictionary 3 Name (ont.) Password Level Ack Password Timeout Data Type N30 Flags* N30 Default Value Options/Range Byte Range: 0-3 Byte W 2 Range: minutes Present Value Enumeration D 0 (Offline) See ontroller Status Enumeration Set in (LIT ). Priority Priority ritical Serious Important Status Bit String W All bits set See Priority. Status Enumeration Normal See Object Status Enumeration Set in (LIT ). * - onfigurable, D - Default, W - Writable Definitions Table 2: Definitions Name Metasys ommon s Active Filter Alarm Reference Table 2 lists the definitions of the attributes specific to the Display object. Definition See Table 2 in the Metasys ommon Object chapter (LIT ). The type of filtering in effect for the messages sent to the Display object. Includes: Pass None: No Status Notification Report (SNR) messages sent. Pass All: Send all SNR messages. : Send SNR messages based on settings of. : Send SNR messages based on settings of. and B: Send SNR messages based on settings of and. A list of attribute references that corresponds directly to the items in the Alarm Names section of the display. ategory This element of defines which categories of messages the Display object receives when is in effect. This filter has no effect for SNRs that do not define a category. A value of True for a particular position (HVA, Fire, Security, Services, or Administrative) means that the Display object receives messages of that defined category. ategory See description for ategory. Display Units MenuDict Blob Indicates the engineering units shown on the LDT. An octet string that contains the precompiled menu blocks and dictionary data to be downloaded into the LDT Menu Reference A list of attribute references that corresponds directly to the items in the menu block structure of the display ontinued on next page...

4 4 Display Name (ont.) Definition Msg Type This element of defines which message types the Display object receives when is in effect. A value of True for a particular position (System Alert, Operator Transaction, or Alarm) means that the Display object receives a message of that defined type. Msg Type See description for Msg Type. Net N2 Address Offline Password Level Ack Password Timeout Present Value Indicates the address of the LDT on the N2 network. Indicates the online/offline state of the LDT. This attribute is used to notify the message source of a change in LDT online/offline status. Indicates the password level the LDT requires for the user to acknowledge or clear alarms from the LDT. (For more information on passwords and the LDT, see the Project Builder User s Guide). Indicates the password timeout value at the LDT. For more information on passwords and the LDT, see the Project Builder User s Guide. Indicates the current communication status of the LDT. Priority This element of defines which priorities the Display object receives when is in effect. A value of True for a particular position (ritical, Serious, Important, or Status) means that the Display object receives messages of that defined priority. Priority See description for Priority. Status The Metasys ommon Object chapter (LIT ) details this attribute. In addition to the values specified for the Metasys ommon object, the Display object supports the following value: Offline LDT is offline.

5 Object Dictionary 5 ommands The Display object supports the commands listed in Table 3. Table 3: Supported ommands ommand Name Parameters Access Level Description Disable Modify Puts the Display object into an offline state. Enable Modify Moves the Display object from the offline state to the online state. ontrols Group 507 E. Michigan Street P.O. Box 423 Milwaukee, WI Printed in U.S.A.

Object Dictionary 1. Pager. Introduction

Object Dictionary 1. Pager. Introduction Object Dictionary 1 Pager Introduction The Pager object provides alarm notifications via pager to personnel at a remote location who would otherwise not be aware of the alarm coming into a workstation