Inficon CDG045D2 User manual

Communication Protocol
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EtherCAT®
for Capacitance Diaphragm Gauges
CDG045D, CDG045D2, CDG100D,
CDG100D2, CDG160D, CDG200D

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Caution
Caution: data transmission errors
Any attempt to simultaneously operate the gauge via the RS232C
Serial Interface and EtherCAT interface or the diagnostic port may
result in incorrect data and data transmission errors.
Therefore, it is inadmissible to simultaneously operate the gauge via
the RS232C Serial Interface and EtherCAT interface, or the diagnostic
port.
This Communication Protocol contains instructions for operating EtherCAT inter-
faces (slaves) together with a master.
For safety information, specifications and operation instructions of the
vacuum gauges refer to the appropriate documents (→[1], [2], [3]).
The following description of the EtherCAT interface is compliant to the EtherCAT
specification of the EtherCAT Technology Group (ETG) and to the "EtherCAT
Semiconductor Device Profile".
This manual describes the functionality of a EtherCAT slave and supports
•ETG.5003 Part 1: Common Device Profile (CDP) V0.9.0 (→[12]) and
•ETG.5003 Part 2080: Specific Device Profile (SDP) Vacuum Pressure Gauge
V0.4.4 (→[13]).
We reserve the right to make technical changes without prior notice.
In all communications with INFICON, please specify the information on the product
nameplate. For convenient reference copy that information into the space provided
below.
Model:
PN:
SN:
V W
INFICON AG, LI-9496 Balzers
General Information
Intended Use
EtherCAT–Interface
Product Identification

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This document applies to products of the temperature controlled CDG045D,
CDG045D2, CDG100D, CDG100D2, CDG160D and CDG200D series with
EtherCAT interface.
Part numbers of standard products are indicated below. OEM products have other
part numbers and different parameter settings (e.g. factory setting of setpoint) as
defined in the corresponding ordering information.
3Cx1-xxx-2380
1 DN 16 ISO-KF
3 DN 16 CF-R
9 1/2" tube
E 8VCR female
H 8VCR female long tube
C 45°
D 100°
E 160°
F 200°°
3 0.1
4 0.25
5 0.5
6 1
7 2
8 5
9 10
A 20
B 50
C 100
D 200
E 500
F 1000 (Torr only)
G 1100 (mbar only)
5 Torr (x 133 Pa; x 1.3 mbar)
6 mbar (x 100 Pa)
Measurement range
(F.S.)
Unit
Sensor temperature
Flange
The part number (PN) can be taken from the product nameplate.
If not indicated otherwise in the legends, the illustrations in this document corres-
pond to CDG045D gauges with the DN 16 ISO-KF vacuum connection. They apply
to other vacuum connections and to the other gauges by analogy.
We reserve the right to make technical changes without prior notice.
EtherCAT®Beckhoff Automation GmbH, Deutschland
EP 1070239 B1, 1040333 B1
US Patents 6528008, 6591687, 7107855, 7140085
Validity
Trademark
Patents

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Contents
General Information 2
Intended Use 2
EtherCAT–Interface 2
Product Identification 2
Validity 3
Trademark 3
Patents 3
Contents 4
1Technical Data 6
2Interface Connection 7
3Operation 8
3.1 Introduction 8
3.2 Front View 8
3.3 Indicators and Switches 9
3.3.1 <RUN> LED 9
3.3.2 <ERR> LED 9
3.3.3 <LA> LED (<IN> Port) 9
3.3.4 <LA> LED (<OUT> Port) 9
3.3.5 Device Address Switch 10
4Object Structure 11
4.1 Object Dictionary structure 11
4.2 Communication Profile Objects (0x1000…0x1FFF) 12
4.3 Manufacturer-specific Profile Objects (0x2000...0x5FFF) 13
4.3.1 Manufacturer Information Common 13
4.3.2 Manufacturer Status 13
4.3.3 Manufacturer Configuration Module 1 14
4.3.4 Manufacturer Configuration Module 2 15
4.4 Input Area (0x6000…0x6FFF) 15
4.4.1 Input Common 15
4.4.2 Input Capacitance Diaphragm 15
4.4.3 Input Common 16
4.4.4 Input Piezo 16
4.4.5 Input Trip Point 1 16
4.5 Configuration Area (0x8000…0x8FFF) 17
4.5.1 Configuration Capacitance Diaphragm 17
4.5.2 Configuration Trip Point 1 17
4.5.3 Configuration Trip Point 2 19
4.6 Information Area (0x9000…0x9FFF) 20
4.6.1 Information Capacitance Diaphragm 21
4.6.2 Information Common 21
4.6.3 Information Piezo 21
4.6.4 Information Trip Point 1/2 22
4.7 Device Area (0xF000...0xAFFF) 22
4.7.1 Semiconductor Device Profile 22
4.7.2 Module Profile List 22
4.7.3 Exceptions 22
4.7.4 Active Exception Status 22
4.7.5 Active Device Warning Details 23
4.7.6 Active Device Error Details 23
4.7.7 Latched Device Warning Details 24
4.7.8 Latched Device Error Details 25
4.7.9 Device Warning Mask 25
4.7.10 Device Error Mask 25
4.7.11 Trip Point Output All 26
4.7.12 Input Latch Local Timestamp 26
4.7.13 Configure Device 26
4.7.14 Information Device 27
4.7.15 Command Zero Adjust 28
4.7.16 Full Scale Adjust 28
4.7.17 Device Reset Command 29
4.7.18 Exception Reset Command 30
4.7.19 Store Parameters Command 30

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Appendix 32
A: Literature 32
For cross-references within this document, the symbol (→XY) is used, for cross-
references to further documents, listed under literature, the symbol (→[Z]).

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1 Technical Data
Further technical data →[1], [2], [3].
Communication protocol protocol specialized for EtherCAT
Communication standards IEC 61158 -2 (Ed 4.0)
IEC 61158 -3/4/5/6-12 (Ed 1.0)
Data rate 100 Mbps
Node address Explicit Device Identification
Physical layer 100BASE-Tx (IEEE 802.3)
EtherCAT connector 2 × RJ45, 8-pin (socket)
<IN>: EtherCAT input
<OUT>: EtherCAT output
Cable shielded, special Ethernet Patch Cable
or Crossover Cable (CAT5e quality or
higher)
Cable length ≤100 m
Process data Fixed PDO mapping and configurable
PDO mapping
Mailbox (CoE) SDO requests, responses and
information
31.5
short
8-VCR
female
54.1
long
82
110.4 3.8
114.2
DN 16 ISO-KF
31.5
OD ½" tube
13
31.5
DN 16 CF-R
31.5
DIAG
SP ZERO
24
0
6
8
A
E
x100 x10
24
0
6
8
A
E
x1
24
0
6
8
A
E
ERR RUN
LA LA
IN OUT
PWR
SP1
SP2
STATUS
EtherCAT interface
Dimensions [mm]

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2 Interface Connection
For operating the temperature controlled CDGxxxD gauge via EtherCAT, two
interface cables conforming to the EtherCAT standard are required.
If no such cables are available, make two according to the following indications.
Ethernet Patch Cable or Crossover Cable (CAT5e quality) with FCC68 connector.
Pin assignment:
81
FCC68, 8-pin,
male, soldering side
Pin Signal Description
1 TD+ Transmission Data +
2 TD- Transmission Data -
3 RD+ Receive Data +
4 nu not used
5 nu not used
6 RD- Receive Data -
7 nu not used
8 nu not used
Pin assignment of the D-Sub 15-pin sensor connector according to the
respective operating manual (→[1], [2], [3]).
Plug the EtherCAT (and sensor) cables connector into the gauge: From the
previous device the cable connected to OUT port has to be connected to the
CDGxxxD <IN> port. And the cable from the CDGxxxD <OUT> port has to
be connected to the next device's <IN> port.
Sensor cable
FCC68 cable
<IN> port
FCC68 cable
<OUT> port
Making an EtherCAT interface
cable
Cable type
Procedure

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3 Operation
Via the EtherCAT interface, the following and further data are exchanged in the
standardized EtherCAT protocol:
•Pressure reading
•Pressure unit (Torr, mbar, Pa)
•Zero adjustment
•Status and error messages
•Status of the switching functions
•Set Trip Point for switching functions
Caution
Caution: data transmission errors
Any attempt to simultaneously operate the gauge via the RS232C
Serial Interface and EtherCAT interface or the diagnostic port may
result in incorrect data and data transmission errors.
Therefore, it is inadmissible to simultaneously operate the gauge via
the RS232C Serial Interface and EtherCAT interface or the diagnostic
port.
5
6
4
7
3
9
2
8
1
10
Position Label Function
1 IN EtherCAT IN connector
2 ERR Error LED
3 x100 Address Switch × 100, hexadecimal
4 LA Link activity EtherCAT IN
5 x10 Address Switch × 10, hexadecimal
6 x1 Address Switch × 1, hexadecimal
7 RUN EtherCAT Status LED
8 LA Link activity EtherCAT OUT
9 OUT EtherCAT OUT connector
10 PWR Sensor cable connector
(Power, analog I/O, RS232C I/O and Relay contacts)
3.1 Introduction
3.2 Front View

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Displays the operating status.
Color LED State Description
off INIT (initialization status) or no power applied to device.
blinking
(200 ms on
200 ms off)
PREOP (pre-operational status).
single flash
(200 ms on
1000 ms off)
SAFEOP (safe-operational status).
Communication of cyclic data transfer running. Input values
available, output values written to the device but not
updated on device output.
green
on OP (operational status).
Displays the error content.
Color LED State Description
off No error or no power applied to device.
blinking
(200 ms on
200 ms off)
Error occurred (see error parameter).
single flash
(200 ms on
1000 ms off)
Slave device application has changed the EtherCAT state
autonomously, due to local error (see error parameter).
double flash
(200 ms on
200 ms off
200 ms on
1000 ms off)
An application watchdog timeout has occurred.
Sync Manager Watchdog timeout or communication
timeout occurred.
red
on A critical communication or application controller error has
occurred. Application controller is not responding any more
(PDI Watchdog Timeout detected by ESC)
Displays the input status.
Color LED State Description
off Port not connected or no power applied to device.
blinking Port connected and communication active.
green
on Port not connected but no communication.
Displays the output status.
Color LED State Description
off Port not connected or no power applied to device.
blinking Port connected and communication active.
green
on Port not connected but no communication.
3.3 Indicators and Switches
3.3.1 <RUN> LED
RUN
3.3.2 <ERR> LED
ERR
3.3.3 <LA> LED (<IN> Port)
LA
IN
3.3.4 <LA> LED (<OUT> Port)
LA
OUT

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During device initialization, the device address switches are read by the device
firmware. This device address is supported to the master as Explicit Device
Identification.
Example: Value of the Explicit Device ID = 0xDDD (dec 3549):
0x100 * 0xD (dec 3328) + 0x10 * 0xD (dec 208) + 0x1 * 0xD (dec 13)
24
0
6
8
A
E
x100 x10
24
0
6
8
A
E
x1
24
0
6
8
A
E
3.3.5 Device Address Switch
24
0
6
8
A
E
x100 x10
24
0
6
8
A
E
x1
24
0
6
8
A
E

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4 Object Structure
This chapter describes the CANopen over EtherCAT (CoE) Object Dictionary.
The objects in the CoE Object Dictionary can be accessed with SDO services, and
many of the dictionary objects can be mapped for cyclic communication in PDOs.
Each object is addressed using a 16-bit index and an 8-bit subindex.
The following table presents the overall layout of the standard Object Dictionary.
Index (hex.) Object dictionary area
1000 – 1FFF Communication profile area
2000 – 5FFF Manufacturer-specific profile area
6000 – 6FFF Input area
7000 – 7FFF Output area
8000 – 8FFF Configuration area
9000 – 9FFF Information area
A000 – AFFF Diagnosis area
B000 – BFFF Service Transfer area
C000 – EFFF Reserved area
F000 – FFFF
Profile Specific Area
Device area
Explanations for the abbreviations in the columns of the tables are given below:
Abbr. Description
Access SDO read/write access
•RO: object can only be read by the SDO service
•RW: object can be both read and written by the SDO service
CoE CAN application protocol over EtherCAT
Index Object Index (hex.) (address of an object)
NV Nonvolatile; attribute value is maintained through power cycles
Object Abstract representation of a particular component within a device,
which consists of data, parameters, and methods.
PDO Process Data Object. Structure described by mapping parameters
containing one or several process data entities.
PM PDO mapping
•Rx: object can be mapped into an Rx PDO
•Tx : object can be mapped into a Tx PDO
RxPDO Receive PDO. A Process Data Object received by an EtherCAT slave.
SDO Service Data Objects. CoE asynchronous mailbox communications
where all objects in the Object Dictionary can be read and written.
SI Subindex (hex.) (sub-address of an object)
Type Data Type
•BOOL, BIT = 1 bit. Boolean (0 = false, 1 = true)
•USINT, BYTE = 8 bit. Unsigned Byte
•UINT = 16 bit. Unsigned integer value
•UDINT = 32 bit. Unsigned integer value
•ULINT = 64 bit. Unsigned integer value
•REAL = 32 bit. Floating point
•V_STRING = 8×n bit. Visible string (1 byte for character)
TxPDO Transmit PDO. A Process Data Object sent from an EtherCAT slave.
4.1 Object Dictionary
structure

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The objects of the communication profile describe the basic EtherCAT properties of
the CDGxxD and are common to all EtherCAT slaves using the CoE
communication protocol. The objects are described in following table:
Index SI DataType NV Access PM Name
1000 UDINT RO Device Type
1008 V_STRING RO Manufacturer Device name
1009 V_STRING RO Manufacturer Hardware
Version
100A V_STRING RO Manufacturer Software
Version
1010 0x01 UDINT RW Store Parameters
Read:
Bit 0 = 1: slave saves the
backup entries when
writing 0x1010:01 with
0x65766173
Bit 1-31 = 0
Write:
With the value
0x65766173 the backup
entries will be stored to
non-volatile memory of the
slave
1011 0x01 UDINT RW Restore Default
Parameters
Read:
Bit 0 = 1: slave supports
the restoring of backup
entries with the default
values when writing
0x1011:01 with
0x64616F6C
Bit 1-31 = 0
Write:
With the value
0x64616F6C the backup
entries will be restored with
the default values
1018 RO Identity Object
0x01 UDINT RO Vendor ID
0x02 UDINT RO Product Code
0x03 UDINT RO Revision Number
0x04 UDINT RO Serial Number
10F8 ULINT RO Timestamp Object
1A00 PM RW TxPDO Transmit PDO
Mapping
0x01 BIT Reading Valid Module1
0x02 BIT Overrange Exceeded
Module 1
0x03 BIT Underrange Exceeded
Module 1
0x04 BIT Padding Bits 1 (5 bit)
0x05 REAL Sensor Value Module 1
0x06 UDINT Trip Point Output All
Instance
1A01 PM RW TxPDO Transmit PDO
Mapping, User Mapping
(continued)
4.2 Communication Profile
Objects
(0x1000…0x1FFF)

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(conluded)
Index SI DataType NV Access PM Name
1A02 PM RW TxPDO Transmit PDO
Mapping
0x01 BIT Reading Valid Module 2
0x02 BIT Overrange Exceeded
Module 2
0x03 BIT Underrange Exceeded
Module 2
0x04 BIT Padding Bits 1 (5 bit)
0x05 REAL Sensor Value Module 2
1A03 PM RW TxPDO Transmit PDO
Mapping, User Mapping
1C00 0x01
0x02
0x03
0x04
BYTE RW Sync Manager Type
1C12 /
1C13
0x01
0x02
0x03
0x04
UINT RW Sync Manager PDO
Assignment
1C32 /
1C33
0x01
-
0x20
RW Sync Manager Parameter
The manufacturer-specific profile objects contain the manufacturer's model number
and device configuration data, status and diagnostic data. The objects are
described in the following tables.
Index SI DataType NV Access PM Name
2001 V_STRING RO Manufacturer's Model
Number
2002 V_STRING RO Device Configuration
Index SI DataType NV Access PM Name
2600 0x01 BYTE RO Status
Alarm and Warning State of Module 1
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4…7
High Alarm Exception (0 = cleared, 1 = set)
Low Alarm Exception (0 = cleared, 1 = set)
High Warning Exception (0 = cleared, 1 = set)
Low Warning Exception (0 = cleared, 1 = set)
0
4.3 Manufacturer-specific
Profile Objects
(0x2000...0x5FFF)
4.3.1 Manufacturer Information
Common
4.3.2 Manufacturer Status
Subindex 0x01

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Index SI DataType NV Access PM Name
2800 0x01 BYTE RW Safe State
0x02 REAL RW Safe Value
0x03 BOOL RW Alarm Enable
0x04 BOOL RW Warning Enable
0x05 REAL RW Alarm Trip Point High
0x06 REAL RW Alarm Trip Point Low
0x07 REAL RW Alarm Hysteresis
0x08 REAL RW Warning Trip Point High
0x09 REAL RW Warning Trip Point Low
0x0A REAL RW Warning Hysteresis
0x0B BYTE RW Filter
Specifies the behavior for the value for States other than Valid.
Safe State
0
1
2
3
Zero
Full Scale
Hold last value
Use safe value
Safe Value: The value to be used for Safe State = Safe Value.
Alarm Enable: Enables the setting of the Alarm Status Bits.
Warning Enable: Enables the setting of the Warning Status Bits.
Alarm Trip Point High: Determines the value above which an Alarm Condition will
occur.
Alarm Trip Point Low: Determines the value below which an Alarm Condition will
occur.
Alarm Hysteresis: Determines the amount by which the value must recover to clear
an Alarm Condition.
Warning Trip Point High: Determines the value above which a Waning Condition
will occur.
Warning Trip Point Low: Determines the value below which a Waning Condition will
occur.
Warning Hysteresis: Determines the amount by which the value must recover to
clear a Warning Condition.
Filter
0
1
2
Dynamic (factory default)
Fast
Slow
4.3.3 Manufacturer
Configuration Module 1
Subindex 0x01
Subindex 0x02
Subindex 0x03
Subindex 0x04
Subindex 0x05
Subindex 0x06
Subindex 0x07
Subindex 0x08
Subindex 0x09
Subindex 0x0A
Subindex 0x0B

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Index SI DataType NV Access PM Name
2801 0x01 BYTE RW Safe State
0x02 REAL RW Safe Value
Specifies the behavior for the Value for states other than Valid.
Safe State
0
1
2
3
Zero
Full Scale
Hold last value
Use safe value
Safe Value: The value to be used for Safe State = Safe Value.
Index SI DataType NV Access PM Name
6000 0x0E BOOL RO tx TxPdoState
0x11 REAL RO tx Sensor Value
Is set if the device is not in Safe State (value (I 0x6nn0, SI 0x11) = valid)
TxPdoState
0
1
Invalid
Valid
The corrected, converted, calibrated final analog input value of the sensor.
Index SI DataType NV Access PM Name
6001 0x01 BOOL RO tx Reading Valid
0x02 BOOL RO tx Overrange Exceeded
0x03 BOOL RO tx Underrange Exceeded
Indicates whether the Value parameter contains a valid value within the specified
accuracy or not.
Reading Valid
0 Invalid
1 Valid
Indicates whether the Value parameter contains a value in over range.
Reading Valid
0 No Overrange Exceeded
1 Overrange Exceeded
4.3.4 Manufacturer
Configuration Module 2
Subindex 0x01
Subindex 0x02
4.4 Input Area
(0x6000…0x6FFF)
4.4.1 Input Common
Subindex 0x0E
Subindex 0x11
4.4.2 Input Capacitance
Diaphragm
Subindex 0x01
Subindex 0x02

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Indicates whether the Value parameter contains a value in under range.
Reading Valid
0 No Underrange Exceeded
1 Underrange Exceeded
Index SI DataType NV Access PM Name
6010 0x0E BOOL RO tx TxPdoState
0x11 REAL RO tx Sensor Value
Is set if the device is not in Safe State (value (I 0x6nn0, SI 0x11) = valid)
TxPdoState
0
1
Invalid
Valid
The corrected, converted, calibrated final analog input value of the sensor.
Index SI DataType NV Access PM Name
6012 0x01 BOOL RO tx Reading Valid
0x02 BOOL RO tx Overrange Exceeded
0x03 BOOL RO tx Underrange Exceeded
Indicates whether the Value parameter contains a valid value within the specified
accuracy or not.
Reading Valid
0 Invalid
1 Valid
Indicates whether the Value parameter contains a value in over range.
Reading Valid
0 No Overrange Exceeded
1 Overrange Exceeded
Indicates whether the Value parameter contains a value in under range.
Reading Valid
0 No Underrange Exceeded
1 Underrange Exceeded
Index SI DataType NV Access PM Name
600E 0x01 BOOL RO tx Status High Trip
0x02 BOOL RO tx Status Low Trip
600F 0x01 BOOL RO tx Status High Trip
0x02 BOOL RO tx Status Low Trip
Subindex 0x03
4.4.3 Input Common
Subindex 0x0E
Subindex 0x11
4.4.4 Input Piezo
Subindex 0x01
Subindex 0x02
Subindex 0x03
4.4.5 Input Trip Point 1

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Status High Trip
0
1
High Trip not assert
High Trip assert
Status Low Trip
0
1
Low Trip not assert
Low Trip assert
Index SI DataType NV Access PM Name
8001 0x12 REAL x RW Offset Customer Specific
Customer-specified Offset which shall be added to the Value parameter of the
Analog Input Sensor instance.
The Offset Customer Specified parameter is a value added from a Zero Adjust
Service to the reported pressure value.
Value shall be calculated as:
Value *) = Reported pressure value + AZO **) + OCS ***)
*) Value (I: 0x6000, SI: 0x11)
**) Accumulated Zero Offset (I: 0x9000, SI: 0x01)
***) Offset Customer Specified (I: 0x8001, SI: 0x12)
The High Trip Point is calculated by:
High Trip Point = Value *) × Percentage **)
*) Value from Piezo Sensor (I: 0x6010, SI: 0x11)
**) Percentage High Trip Source (I: 0x800E/F, SI: 0x13)
In this case, the High Trip Point value is automatically updated by the device itself.
Any user-written value to the parameter High Trip will be refused with an abort
code.
The Low Trip Point is a fixed value:
The value defined in Low Trip Point Limit is compared with the pressure value
referenced by the Source Index parameter.
Subindex 0x01
Subindex 0x02
4.5 Configuration Area
(0x8000…0x8FFF)
4.5.1 Configuration
Capacitance Diaphragm
Subindex 0x12
4.5.2 Configuration Trip
Point 1

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High Trip Point
Time t
in-
active
activein-
active
active
Low Trip Point
Measurement signal
(Pressure p)
Low Trip
Hysteresis
High Trip
Hysteresis
in-
active
Index SI DataType NV Access PM Name
800E 0x01 BOOL x RO High Trip Enable
0x02 BOOL x RO Low Trip Enable
0x11 REAL x RO High Trip Point Limit
0x13 REAL x RW Percentage High Trip
Source
0x14 REAL x RW Low Trip Point Limit
0x17 REAL x RO High Trip Hysteresis
0x18 REAL x RW Low Trip Hysteresis
0x1A UDINT x RO Source Index
High Trip Point
0
1
Disable
Enable
Low Trip Point
0
1
Disable
Enable
High Trip Point Limit: High limit to trigger trip point condition if Input Value (I
0x900E, SI 0x01) is above this limit.
Percentage of High Trip Source: Percentage of Piezo Sensor Value (I 0x6010, SI
0x11) in [%].
Low Trip Point Limit: Low limit to trigger trip point condition if Input Value (I 0x900E,
SI 0x01) is below this limit.
High Trip Hysteresis: Hysteresis value for High Trip Point.
Low Trip Hysteresis: Hysteresis value for Low Trip Point.
Subindex 0x01
Subindex 0x02
Subindex 0x11
Subindex 0x13
Subindex 0x14
Subindex 0x17
Subindex 0x18

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Object index of active source of (I 0x900E SI 0x01) Input Value.
Source Index
Bit 16…31
Bit 08…15
Bit 00…07
Index
Subindex
Reserved
Calculating the High Trip Point and Low Trip Point →4.4.7.
Index SI DataType NV Access PM Name
800F 0x01 BOOL x RO High Trip Enable
0x02 BOOL x RO Low Trip Enable
0x11 REAL x RO High Trip Point Limit
0x13 REAL x RW Percentage High Trip
Source
0x14 REAL x RW Low Trip Point Limit
0x17 REAL x RO High Trip Hysteresis
0x18 REAL x RW Low Trip Hysteresis
0x1A UDINT x RO Source Index
High Trip Point
0
1
Disable
Enable
Low Trip Point
0
1
Disable
Enable
High Trip Point limit: High limit to trigger trip point condition if Input Value (I 0x900F,
SI 0x01) is above this limit.
Percentage of High Trip Source: Percentage of Piezo Sensor Value (I 0x60010, SI
0x11) in [%].
Low Trip Point Limit: Low limit to trigger trip point condition if Input Value (I 0x900F,
SI 0x01) is below this limit.
High Trip Hysteresis: Hysteresis value for High Trip Point.
Low Trip Hysteresis: Hysteresis value for Low Trip Point.
Object index of active source of (I 0x900F SI 0x01) Input Value.
Source Index
Bit 16…31
Bit 08…15
Bit 00…07
Index
Subindex
Reserved
Subindex 0x1A
4.5.3 Configuration Trip
Point 2
Subindex 0x01
Subindex 0x02
Subindex 0x11
Subindex 0x13
Subindex 0x14
Subindex 0x17
Subindex 0x18
Subindex 0x1A

20 tira68e1 (2013-05) CDGxxxD.cp
The Information Data object defines the input process data.
Indicated
pressure
Real pressure
p6'
p5'
p4'
p3'
p2'
p1'
p0 p1 p2 p3
Error
Overrange
Underrange
Error
Display range
1
2
3
4
Measurement
range
The "measurement range" is the range between minimum and maximum pressure,
where the reading of the gauge is within the specified measurement uncertainty
limits.
The "valid measurement information range" (display range) is the complete
pressure range where the gauge gives an indication (measurement signal). The
valid measurement information range (display range) consists of underrange,
measurement range and overrange.
According to these definitions, 4 points are defined:
1 Lowest informational measurement value
2 Lowest precision measurement value
3 Highest precision measurement value
4 Highest informational measurement value
Index SI DataType NV Access PM Name
9000 0x01 REAL x RO Accumulated Zero Offset
0x02 REAL x RO Highest Informational
Measurement Value
0x03 REAL x RO Highest Precision
Measurement Value
0x04 REAL x RO Lowest Precision
Measurement Value
Accumulated Zero Offset: An amount added prior to Gain to derive Value. Result of
Zero Adjust Command (accumulated value).
Highest Informational Measurement Value: Highest value that the gauge can
measure without a specified accuracy.
Highest Precision Measurement Value: Highest valid value at which the gauge is
specified with an accuracy value. Above that value, the parameter Reading Valid is
set to invalid.
Lowest Precision Measurement Value: Lowest valid value at which the gauge is
specified with an accuracy value. Below that value, the parameter Reading Valid is
set to invalid.
4.6 Information Area
(0x9000…0x9FFF)
Highest / lowest
measurement value
Subindex 0x01
Subindex 0x02
Subindex 0x03
Subindex 0x04