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Installation Instructions
FLEX Ex 8 Output and HART Analog Modules
Catalog Numbers 1797-OE8, 1797-OE8H
Topic
Prevent Electrostatic Discharge
Removal and Insertion Under Power
European Communities (EC) Directive Compliance
Wire the Module to a 1797-TB3 or 1797-TB3S Terminal Base Unit
1797-OE8 Input Map (Read Words)
1797-OE8H Input Map (Read Words)
1797-OE8 Output Map (Write Words)
1797-OE8H Output Map (Write Words)
Data Format - Write Words 2 and 3
Cyclic HART Input DataCyclic HART Input Data
Page
2 FLEX Ex 8 Output and HART Analog Modules
Topic
1797-OE8H Extended Configuration Data Table
1797-OE8H Secondary Master Enable (SME)/ Primary Master Inhibit (PMI)
1797-OE8 FLEX Ex Output Module Operation
Cooperative Operation of the Adapter and the 1797-OE8H Output Module
Page
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FLEX Ex 8 Output and HART Analog Modules 3
Important User Information
S olid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls
(Publication SGI-1.1
available from your local Rockwell Automation sales office or online at http://literature.rockwellautomation.com
) describes some important differences between solid state equipment and hard-wired electromechanical devices. Because of this difference, and also because of the wide variety of uses for solid state equipment, all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell
Automation, Inc., is prohibited.
Throughout this manual we use notes to make you aware of safety considerations.
WARNING
Identifies information about practices or circumstances that can cause an explosion in a hazardous environment, which may lead to personal injury or death, property damage, or economic loss.
IMPORTANT
ATTENTION
Identifies information that is critical for successful application and understanding of the product.
Identifies information about practices or circumstances that can lead to personal injury or death, property damage, or economic loss. Attentions help you: identify a hazard, avoid a hazard, and recognize the consequence
SHOCK HAZARD
Labels may be located on or inside the equipment to alert people that dangerous voltage may be present.
BURN HAZARD
Labels may be located on or inside the equipment to alert people that surfaces may be dangerous temperatures.
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4 FLEX Ex 8 Output and HART Analog Modules
Environment and Enclosure
ATTENTION
This equipment is intended for use in a Pollution Degree 2 industrial environment, in overvoltage Category II applications (as defined in IEC 60664-1), at altitudes up to 2000 m (6562 ft) without derating.
This equipment is considered Group 1, Class A industrial equipment according to IEC/CISPR 11. Without appropriate precautions, there may be difficulties with electromagnetic compatibility in residential and other environments due to conducted and radiated disturbances.
This equipment is supplied as open-type equipment. It must be mounted within an enclosure that is suitably designed for those specific environmental conditions that will be present and appropriately designed to prevent personal injury resulting from accessibility to live parts. The enclosure must have suitable flame-retardant properties to prevent or minimize the spread of flame, complying with a flame spread rating of 5VA, V2, V1, V0 (or equivalent) if non-metallic. The interior of the enclosure must be accessible only by the use of a tool. Subsequent sections of this publication may contain additional information regarding specific enclosure type ratings that are required to comply with certain product safety certifications.
In addition to this publication, see:
• Industrial Automation Wiring and Grounding Guidelines, for additional installation requirements, Allen-Bradley publication 1770-4.1
.
• NEMA Standards 250 and IEC 60529, as applicable, for explanations of the degrees of protection provided by different types of enclosure.
ATTENTION
This product is grounded through the DIN rail to chassis ground. Use zinc plated yellow-chromate steel DIN rail to assure proper grounding. The use of other DIN rail materials (for example, aluminum or plastic) that can corrode, oxidize, or are poor conductors, can result in improper or intermittent grounding. Secure DIN rail to mounting surface approximately every 200 mm (7.8 in.) and use end-anchors appropriately.
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FLEX Ex 8 Output and HART Analog Modules 5
Prevent Electrostatic Discharge
ATTENTION
This equipment is sensitive to electrostatic discharge, which can cause internal damage and affect normal operation. Follow these guidelines when you handle this equipment:
• Touch a grounded object to discharge potential static.
• Wear an approved grounding wriststrap.
• Do not touch connectors or pins on component boards.
• Do not touch circuit components inside the equipment.
• Use a static-safe workstation, if available.
• Store the equipment in appropriate static-safe packaging when not in use.
• Post a sign near these modules:
Attention! Avoid electrostatic charging.
ATENÇÃO! PREVENIR CONTRA O ACÚMULO DE CARGA
ELETROSTÁTICA
For your convenience, a sign that can be cut out and posted is included in this publication.
Removal and Insertion Under Power
WARNING
These modules are designed so you can remove and insert them under
power. However, take special care when removing or inserting modules in an active process. I/O attached to any module being removed or inserted can change states due to its input/output signal changing conditions.
If you insert or remove the terminal base while backplane power is on, an electrical arc can occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
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6 FLEX Ex 8 Output and HART Analog Modules
European Communities (EC) Directive Compliance
If these products have the CE mark they are approved for installation within the European Union and EEA regions. They have been designed and tested to meet the following directives.
EMC Directive
These products are tested to meet the Council Directive 2004/108/EC by applying the following standards:
• EN 61000-6-4:2007, Electromagnetic Compatibility (EMC) - Part 6-4:
Generic Standard for Industrial Environments (Class A)
• EN 61000-6-2:2005, Electromagnetic Compatibility (EMC) - Part 6-2:
Generic Standards - Immunity for Industrial Environments
• EN61326-1:2006 (Industrial), Electrical Equipment For
Measurement, Control, and Laboratory Use - Industrial EMC
Requirements
ATEX Directive
These products are tested in conjunction with associated I/O modules to meet the Council Directive 94/9/EC (ATEX) Equipment and Protective
Systems Intended for Use in Potentially Explosive Atmospheres by applying the following standards:
• EN60079-11:2007, Explosive atmospheres - Part 11 : equipment protection by intrinsic safety "i"
• EN60079-0:2006, Electrical apparatus for explosive gas atmospheres -
Part 0 : general requirements
• EN 60079-26 : 2004, Electrical apparatus for explosive gas atmospheres - Part 26 : construction, test and marking of Group II
Category 1 G electrical apparatus
• EN61241-0 : 2006, Electrical apparatus for use in the presence of combustible dust - Part 0: General requirements
• EN61241-11:2006, Electrical apparatus for use in the presence of combustible dust – Part 11: Protection by intrinsic safety 'iD'
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7 FLEX Ex 8 Output and HART Analog Modules
Installation in Zone 1
These modules must not be exposed to the environment. Provide a suitable metal enclosure. This module has a protection factor of IP20.
WARNING
These modules cannot be used in an intrinsically safe environment after they have been exposed to nonintrinsically safe signals.
Installation in Zone 22
When the module is installed in Zone 22, the following cabinets must be used:
IVK-ISRPI-V16LC; IVK-ISRPI-V8HYW; or IVK-ISRPI-V8LC. These cabinets can be purchased from:
Pepperl+Fuchs GmbH
Konigsberger Allee 85-87, D-68307
Mannheim, Germany
Attn: PA Sales Dept.
Kirsten Becker
Telephone +49 776 1298 www.pepperl-fuchs.com
The IS-RPI cabinets (type IVK2-ISRPI-V8LC, IVK2-ISRPI-V8HYW, or
IVK2-ISPRI-V16LC) ensures the basic protection for the intrinsically safe apparatus of the FLEX Ex system for use in Zone 22. It corresponds with category 3D according to RL 94/9 EG and with the type label marked with the following information:
Pepperl+Fuchs GmbH
68307 Mannheim
IVK2-ISRPI-V8LC (or IVK2-ISRPI-V8HYW or
IVK2-ISRPI-V16LC)
II 3 D Ex tD A22 IP54 T70 °C
CE
Serial (manufacturing) number
Model year
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8 FLEX Ex 8 Output and HART Analog Modules
Install the Module
Read this for information about how to install the module which must be used with a 1797-TB3 or 1797-TB3S intrinsically safe terminal base unit.
7
3
1
8
2
6
4
5
Label here or under here
41439
ATTENTION
This equipmment is considered Group 1, Class A industrial equipement according to IEC/CISPR Publication 11. Without appropriate precautions, there may be potential difficulties ensuring electromagnetic compatibility in other environments due to conducted as well as radiated disturbance.
This equipment is supplied as open-type equipment. It must be mounted within an enclosure that is suitably designed for those specific environmental conditions that will be present and appropriately designed to prevent personal injury resulting from accessiblity to live parts. The interior of the enclosure must be accessible only by the use of a tool. Subsequent sections of this publication may contain additional infromation regarding specific enclosure type ratings that are required to comply with certain productsafety certifications.
ATTENTION
During mounting of all devices, be sure that all debris (such as metal chips or wire strands) is kept from falling into the module. Debris that falls into the module could cause damage on power up.
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FLEX Ex 8 Output and HART Analog Modules 9
ATTENTION
Do not remove or replace a Terminal Base unit while power is applied.
Interruption of the backplane can result in unintentional operation or machine motion.
To install the module on a 1797 terminal base, see the figure and complete the following.
1.
Rotate the keyswitch (1) on the terminal base (2) clockwise to position
4 as required for this type of module.
IMPORTANT
Do not change the position of the keyswitch after wiring the terminal base unit.
2.
Make certain the flexbus connector (3) is pushed all the way to the left to connect with the neighboring terminal base or adapter.
IMPORTANT
You cannot install the module unless the connector is fully extended.
3.
Make sure the pins on the bottom of the module are straight so they align properly with the connector in the terminal base.
4.
Position the module (4) with its alignment bar (5) aligned with the groove (6) on the terminal base.
5.
Press firmly and evenly to seat the module in the terminal base unit, noting that the module is seated when the latching mechanism (7) is locked into the module.
6.
Remove cap plug (8) and attach another intrinsically safe terminal base unit to the right of this terminal base unit if required.
IMPORTANT
Make certain that you only connect terminal base units to other intrinsically safe system modules or adapters to maintain the integrity of the intrinsically safe backplane.
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10 FLEX Ex 8 Output and HART Analog Modules
41307
Wire the Module to a 1797-TB3 or 1797-TB3S Terminal Base Unit
WARNING
If you connect or disconnect wiring while the field-side power is on, an electrical arc can occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
Module Wiring
Row A
Row B
Row C
No connections allowed to terminals 2, 3, 6, 7, 10, 11, 14, 15, 19, 20,
23, 24, 27, 28, 31, 32, 36, 37, 38, 39, 46, 47, 48, 49.
41440B
1.
Connect the individual output wiring to (+) terminals (0, 4, 8, 12) on the 0…15 row (A) and on the 16…33 row (B) (terminals 17, 21, 25,
29) as indicated in the table,
.
1.
Connect the associated output to the corresponding (-) terminal (1, 5,
9, 13) on the 0…15 row (A), and on the 16…33 row (B) (terminals 18,
22, 26, 30) for each output as indicated in the table, Wire Connections .
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FLEX Ex 8 Output and HART Analog Modules 11
2.
Connect +V DC power to terminal 34 on the 34…51 row (C).
3.
Connect -V to terminal 35 on the 34…51 row (C).
WARNING
Make certain that you power these modules with an intrinsically safe power supply. Do not exceed the values listed in the specifications for these modules.
If you connect or disconnect wiring while the field-side power is on, an electrical arc can occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
4.
If continuing power to the next terminal base unit, connect a jumper from terminal 50 (+V) on this base unit to terminal 34 on the next base unit.
5.
If continuing common to the next terminal base unit, connect a jumper from terminal 51 (-V) on this base unit to terminal 35 on the next base unit.
ATTENTION
To reduce susceptibility to noise, power analog modules and digital modules from separate power supplies.
Wire Connections
Output
Output 0
Output 1
Output 2
Output 3
+V
-V
Output +
A-0
A-4
A-8
Output -
A-1
A-5
A-9
A-12 A-13
Terminals 34 and 50
Terminals 35 and 51
Output
Output 4
Output 5
Output 6
Output 7
Output +
B-17
B-21
B-25
B-29
Output -
B-18
B-22
B-26
B-30
ATTENTION
Do not use the unused terminals on this terminal base unit. Using these terminals as supporting terminals can result in damage to the module, or unintended operation of your system, or both.
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12 FLEX Ex 8 Output and HART Analog Modules
Ground the Module
All I/O wiring must use shielded wire. Shields must be terminated external to the module, such as bus bars and shield-terminating feed-throughs.
44862
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FLEX Ex 8 Output and HART Analog Modules 13
Outputs
Each output channel can operate an analog field device. Do not apply any
nonintrinsically safe signals to these modules.
When using an intrinsically safe electrical apparatus according to EN50020, the European Community directives and regulations must be followed.
The channels in these modules are electrically connected to each other.
1797-OE8
160
Ω
Flexbus
Bus uC
15.5V
45
Ω
-
+V
-V
+
Power
Supply
4…20 mA
Valve
I
F
4…20 mA
Actuator
41441
1797-OE8H/B
250
Ω
Flexbus
Bus uC
21.6V
HART
Modem
45
Ω
-
+V
-V
+
Power
Supply
4…20 mA
Valve
I
F
4…20 mA
Actuator
43849
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14 FLEX Ex 8 Output and HART Analog Modules
Output Voltage versus Current Capability
Output Voltage versus Current Capability for the 1797-OE8 Module
V DC
Voltage
16
14
12
10
8
6
4
2
0
0 5
10 15
20 25
mA
43002
Output Voltage versus Current Capability for the 1797-OE8H Module
Voltage
20.5
15
V DC
0
0 5 10
mA
15 20 25
43850
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FLEX Ex 8 Output and HART Analog Modules 15
1797-OE8 Input Map (Read Words)
Bit
Word 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 FA FA FA FA FA FA FA FA Reserved Diagnostic Status
Ch7 Ch6 Ch5 Ch4 Ch3 Ch2 Ch1 Ch0
1 Res Module Command Response
Where: Ch = channel
FA = fault
Res = Reserved
Module Response Data
1797-OE8H Input Map (Read Words)
Bit
Word 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 FA
Ch7
FA
Ch6
FA
Ch5
FA
Ch4
FA
Ch3
FA
Ch2
FA
Ch1
FA
Ch0
HR Reserved Diagnostic Status
1
2
Reserved
HCF
Ch7
HCF
Ch6
HCF
Ch5
HCF
Ch4
HCF
Ch3
HCF
Ch2
3 HP
Ch7
HP
Ch6
HP
Ch5
HP
Ch4
HP
Ch3
HP
Ch2
Where: Ch = channel
FA = fault
HR = HART rebuilding
HCF = HART current fault
HF = HART communication fault
HP = HART present
HC = HART communication
HP
Ch1
HCF
Ch1
HCF
Ch0
HP
Ch0
HF
Ch7
HC
Ch7
HF
Ch6
HF
Ch5
HC
Ch6
HC
Ch5
HF
Ch4
HC
Ch4
HF
Ch3
HF
Ch2
HC
Ch3
HC
Ch2
HF
Ch1
HC
Ch1
HF
Ch0
HC
Ch0
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16 FLEX Ex 8 Output and HART Analog Modules
1797-OE8 Output Map (Write Words)
3
4
1
2
Bit
Word 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 OE FR Reserved DD
Ch7
DD
Ch6
DD
Ch5
DD
Ch4
DD
Ch3
DD
Ch2
DD
Ch1
DD
Ch0
Channel 0 Output Data
Channel 1 Output Data
Channel 2 Output Data
Channel 3 Output Data
5
6
Channel 4 Output Data
Channel 5 Output Data
7 Channel 6 Output Data
8 Channel 7 Output Data
Where: Res = reserved, Ch = channel
DD = digital data, FR = fault reset
OE = output enable
1797-OE8H Output Map (Write Words)
3
4
1
2
Bit
Word 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 Res FR Reserved DD
Ch7
DD
Ch6
DD
Ch5
DD
Ch4
DD
Ch3
DD
Ch2
DD
Ch1
DD
Ch0
Channel 0 Output Data
Channel 1 Output Data
Channel 2 Output Data
Channel 3 Output Data
5
6
Channel 4 Output Data
Channel 5 Output Data
7 Channel 6 Output Data
8 Channel 7 Output Data
Where: Res = reserved, Ch = channel
DD = digital data, FR = fault reset
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FLEX Ex 8 Output and HART Analog Modules 17
1797-OE8H Configuration Map
13
14
15
16
17
9
10
11
12
Bit
2
3
Word 15 14 13 12 11 10 9 8 7
0 LFM VR FE FE FE FE Byte HS
1 HD
Ch7
HD
Ch6
Ch7
HD
Ch5
Ch6
HD
Ch4
Ch5
HD
Ch3
Ch4
HD
Ch2
Order
Group B
HD HD
Ch1 Ch0
LEDs
HHE
Ch7
6 5 4 3 2 1 0
HSI FE
Ch3
FE
Ch2
FE
Ch1
FE
Ch0
Byte
Order
Group A
HHE
Ch6
HHE HHE
Ch5 Ch4
HHE HHE
Ch3 Ch2
HHE
Ch1
HHE
Ch0
Data Format Ch3 Data Format Ch2 Data Format Ch1 Data Format Ch0
4
5
6
7
8
Data Format Ch7 Data Format Ch6 Data Format Ch5
HART Read Back FLE AFM HART Read Back
Threshold Ch1 Ch1 Ch1 Threshold Ch0
HART Read Back
Threshold Ch3
FLE
Ch3
AFM
Ch3
HART Read Back
Threshold Ch2
HART Read Back
Threshold Ch5
HART Read Back
Threshold Ch7
DF
Ch7
DF
Ch6
DF
Ch5
DF
Ch4
DF
Ch3
FLE
Ch5
AFM
Ch5
FLE
Ch7
AFM
Ch7
DF
Ch2
DF
Ch1
DF
Ch0
HART Read Back
Threshold Ch4
HART Read Back
Threshold Ch6
DM
Ch7
DM
Ch6
DM
Ch5
DM
Ch4
Data Format Ch4
FLE AFM
Ch0 Ch0
FLE
Ch2
AFM
Ch2
FLE
Ch4
FLE
Ch6
DM
Ch3
DM
Ch2
AFM
Ch04
AFM
Ch06
DM
Ch1
DM
Ch0
Fault Value Ch0
Fault Value Ch1
Fault Value Ch2
Fault Value Ch3
Where
Fault Value Ch4
Fault Value Ch5
Fault Value Ch6
Fault Value Ch7
HR
Ch7
HR
Ch6
HR
Ch5
HR
Ch4
HR
Ch3
HR
Ch2
HR
Ch1
LFM = local fault mode
FE = fault enable
HHE = HART handheld enable
AFM = analog fault mode
DM = digital mode
HC = HART CMD3 disable
HR
Ch0
HC
Ch7
HC
Ch6
HC
Ch5
HC
Ch4
HC
Ch3
HC
Ch2
VR = verify replacement
HD = HART disable
FLE = fault latch enabled
DF = digital fault mode
HR = HART rebuild
HC
Ch1
HC
Ch0
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18 FLEX Ex 8 Output and HART Analog Modules
Data Format - Write Words 2 and 3
5
6
7
8
9
10
11
0
1
2
3
Data
Format
4
12
13
14
15
Bits
15 14 13 12
11 10 9 8
Format Signal Range User Range Resolution
7 6 5 4
3 2 1 0
LO HI LO
0 0 0 0 0…20 mA as
Milliamps
0 0 0 1 0…20 mA as
%
0.00
22.00
0
(0.000 mA)
0.00
22.00
0
(0%)
HI
22000
(22.000 mA)
11000
(110.00%)
0.1% of
0...20 mA
0.2% of
0...20 mA
0 0 1 0 Not assigned
0 0 1 1 0…20 mA as unsigned integer
0.00
20.00
0
(0.000 mA)
0 1 0 0 4…20 mA as mA
2.00
22.00
2000
(2.000 mA)
65535
(22.000 mA)
0.03% of
0...20 mA
22000
(22.000 mA)
0.01% of
4...20 mA
0 1 0 1 Not assigned
0 1 1 0
0 1 1 1 4…20 mA as unsigned integer
4.00
20.00
0
(4 mA)
65535
(20 mA)
0.03% of
4...20 mA
1 0 0 0 Not assigned
1 0 0 1
1 0 1 0
1 0 1 1 0...20 mA as
D/A count
1 1 0 0 Not assigned
0.00
22.00
0
(0 mA)
1 1 0 1 4...20 mA as
%
1 1 1 0 4...20 mA as
%
3.00
21.00
-625
(-6.25%)
2.00
22.00
-1250
(-12.50%)
1 1 1 1 Not assigned
8000
(22 mA)
10625
(106.25%)
11250
(112.50%)
0.28% of
0...20 mA
0.16% of
4...20 mA
0.16% of
4...20 mA
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FLEX Ex 8 Output and HART Analog Modules 19
Cyclic HART Input Data
The HART input data holds the primary variables for the "live" HART device, and other information gathered during the normal HART scan.
Additional "documentary" data is available through the pass through message interface in the device information tables. Pass through messages are defined in detail in the User Manual.
IMPORTANT
The HART Input Data for a channel may be zeroes if HART communications is disabled for that channel. For more information on disabling HART communications, refer to the Disable HART communications and HART CMD
3 Disable functions in the Configuration Map table.
HART Input Data
13
14
15
16
17
9
10
11
12
3
4
1
2
7
8
5
6
Word Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 Reserved Ch7 Ch6 Ch5 Ch4 Ch3 Ch2 Ch1 Ch0
(HART Communications Status)
Reserved
Ch0 HART Field Device Status Ch0 HART Comm Status
Reserved Ch0 HART Loop Status
Ch0 HART Primary Value
(IEEE 754-1985 Single-Precision 32 bit floating point)
Ch0 HART Secondary Value
Ch0 HART Tertiary Value
(IEEE 754-1985 Single-Precision 32 bit floating point)
(IEEE 754-1985 Single-Precision 32 bit floating point)
Ch0 HART Fourth (Quaternary) Value
(IEEE 754-1985 Single-Precision 32 bit floating point)
Ch0 Secondary Value Units Code
Ch0 Fourth Value Units Code
Ch1 HART Field Device Status
Reserved
Ch1 HART Primary Value
Ch0 Primary Value Units Code
Ch0 Tertiary Value Units Code
Ch1 HART Communication Status
Ch1 HART Loop Status
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20 FLEX Ex 8 Output and HART Analog Modules
HART Input Data
44
45
46
47
40
41
42
43
36
37
38
39
32
33
34
35
28
29
30
31
24
25
26
27
20
21
22
23
Word Bit
18
19
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Ch1 HART Secondary Value
Ch1 HART Teritiary Value
Ch1 HART Fourth Value
Ch1 HART Secondary Value Units Code Ch1 HART Primary Value Units Code
Ch1 HART Fourth Value Ch1 HART Tertiary Value Units Code
Ch2 HART Field Device Status
Reserved
Ch2 HART Primary Value
Ch2 HART Communication Status
Ch2 HART Loop Status
Ch2 HART Secondary Value
Ch 2 HART Tertiary Value
Ch2 HART Fourth Value
Ch2 HART Secondary Value Units Code Ch2 HART Primary Value Units Code
Ch2 HART Fourth Value
Ch3 HART Field Device Status
Reserved
Ch3 HART Primary Value
Ch3 HART Secondary Value
Ch3 HART Tertiary Value
Ch3 HART Fourth Value
Ch2 HART Tertiary Value Units Code
Ch3 HART Communication Status
Ch0 HART Loop Status
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FLEX Ex 8 Output and HART Analog Modules 21
HART Input Data
72
73
74
75
76
77
68
69
70
71
64
65
66
67
60
61
62
63
56
57
58
59
52
53
54
55
Word Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
48
49
50
51
Ch3 HART Secondary Value Units Code
Ch3 HART Fourth Value
Ch4 HART Field Device Status
Reserved
Ch4 HART Primary Value
Ch3 HART Primary Value Units Code
Ch3 HART Tertiary Value Units Code
Ch4 HART Communication Status
Ch4 HART Loop Status
Ch4 HART Secondary Value
Ch4 HART Tertiary Value
Ch4 HART Fourth Value
Ch4 HART Secondary Value Units Code
Ch4 HART Fourth Value
Ch5 HART Field Device Status
Reserved
Ch5 HART Primary Value
Ch4 HART Primary Value Units Code
Ch4 HART Tertiary Value Units Code
Ch5 HART Communication Status
Ch5 HART Loop Status
Ch5 Secondary Value
Ch5 Tertiary Value
Ch5 Fourth Value
Ch5 HART Secondary Value Units Code Ch5 HART Primary Value Units Code
Ch5 HART Fourth Value Ch5 HART Tertiary Value Units Code
Ch6 HART Field Device Status
Reserved
Ch6 HART Primary Value
CH6 HART Communication Status
Ch6 HART Loop Status
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22 FLEX Ex 8 Output and HART Analog Modules
HART Input Data
92
93
94
95
96
97
88
89
90
91
84
85
86
87
80
81
82
83
Word Bit
78
79
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Ch6 Secondary Value
Ch6 Tertiary Value
Ch6 Fourth Value
Ch6 HART Secondary Value Units Code Ch6 HART Primary Value Units Code
Ch6 HART Fourth Value Ch6 HART Tertiary Value Units Code
Ch7 HART Field Device Status
Reserved
Ch7 HART Primary Value
CH7 HART Communication Status
Ch7 HART Loop Status
Ch7 Secondary Value
Ch7 Tertiary Value
Ch7 Fourth Value
Ch7 HART Secondary Value Units Code
Ch7 HART Fourth Value
Ch7 HART Primary Value Units Code
Ch7 HART Tertiary Value Units Code
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FLEX Ex 8 Output and HART Analog Modules 23
HART Input Data Descriptions
Chn: HART CMD 3 Communication
Status
0: HART CMD3
Communication Disabled or
No Error
1: HART CMD3
Communication Error between Adapter &
Module
Chn: HART Comm Status (HART CMD3
Response first status byte):
Refer to User Manual
Chn: HART Field Device Status (HART
CMD3 Response second status byte):
Chn: HART Loop Status:
Bit 0: HART enable
Bit 1: Device Connected
Bit 2: Response Error
Bit 3: CMD 48 Update
Bit 4: HART Loop Tolerance Error
Bit 5: HART Update
Bit 6: HART message
Bit 7:
Refer to User Manual
0: Disabled
0: Not Connected
0: No HART message failure
0: CMD 48 not updated
0: No HART Current
Fault
0: HART Device information not updated
0: No new message
1: Enabled
1: Connected
1: Response ended in error
1: CMD 48 updated
1:HART Current Fault
1: HART Device information updated since last read
1: HART user message queue has completed a message
Reserved
Where PVA = The primary variable for this channel has been acquired.
SVA = The secondary variable for this channel has been acquired.
TVA = The tertiary variable for this channel has been acquired.
FVA = The fourth (quaternary) variable for this channel has been acquired.
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24 FLEX Ex 8 Output and HART Analog Modules
HART Read Back Threshold
HART Read Back
6%
7%
8%
9%
10%
…
30%
31%
Disabled
Not applicable
(1)
Not applicable
Not applicable
Not applicable
5%
Decimal
Value
0
1
8
9
6
7
4
5
2
3
10
…
30
31
0
0
0
0
0
0
0
0
1
1
0
…
Bits
7
15
0
0
1
1
0
0
0
0
0
0
1
1
1
…
0
0
6
14
0
0
1
1
1
1
0
0
1
1
0
…
0
0
5
13
0
0
1
1
0
0
1
1
1
1
1
…
0
0
4
12
0
1
0
1
0
1
0
1
0
1
0
…
0
1
3
11
(1)
1, 2, 3, and 4 are not applicable. Values between 1 and 4 will lead the IOM to automatically use an internal value of 5%.
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FLEX Ex 8 Output and HART Analog Modules 25
1797-OE8 Configuration Map
7
8
5
6
3
4
Config Bit
Word 15
0
1
2
14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LFM Res FM
Ch2...3
LM
Ch4...7
DFS
Ch7
LM
Ch6
Ch0...3
DFS
FM
Ch5
Ch6...7
DFS
FM
Ch0...1
FM
Ch4...5
DFS
Ch4
AFState
Ch2...3
AFState
Ch0...1
AFState
Ch6...7
DFS DFS
Ch3 Ch2
AFState
Ch4...5
DFS DFS
Ch1 Ch0
Data Format
Ch2...3
Data Format
Ch6...7
AD
M
Ch7
AD
M
Ch6
AD
M
Ch5
AD
M
Ch4
Data Format
Ch0...1
Data Format
Ch4...5
AD
M
Ch3
AD
M
Ch2
AD
M
Ch1
AD
M
Ch0
Analog Fault State Value Channel 0
Analog Fault State Value Channel 1
Analog Fault State Value Channel 2
Analog Fault State Value Channel 3
Analog Fault State Value Channel 4
Analog Fault State Value Channel 5
9
10
Analog Fault State Value Channel 6
Analog Fault State Value Channel 7
Where: LFM = Local Fault Mode
FM = Fault Mode
AFState = Analog Fault State
DFS = Digital Fault State
Res = Reserved
Ch = Channel
LM = Latch Mode
ADM = Analog/Digital Mode
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26 FLEX Ex 8 Output and HART Analog Modules
The extended configuration data table is accessed (read/write) by using a
MSG or CIO instruction. See the table,
Field Descriptions on page 27 for
more information.
1797-OE8H Extended Configuration Data Table
Config Bit
Word 15 14 13 12 11 10 9 8 7 6 5
0
1
PM
Ch7
PM
Ch6
Reserved
PM
Ch5
PM
Ch4
PM
Ch3
PM
Ch2
PM
Ch1
PM
Ch0
HART Read Back Threshold
Ch4...7
Where: Ch = Channel
SME = Secondary Master Enable
HS Inht = HART Status Inhibit
4 3 2 1 0
SME SME SME
Ch7 Ch6 Ch5
SME SME SME SME SME
Ch4 Ch3 Ch2 Ch1 Ch0
HS HS 50/60 HART Read Back Threshold
LED Inht Hz Ch0...3
PM = Primary Master Inhibit
HS LED = HART Status LEDs
The SME and PMI bits control a few module internal functions individually for channels 0…7.
1797-OE8H Secondary Master Enable (SME)/ Primary Master Inhibit (PMI)
PMI
SME
Bits
(1) 1 (Default)
8, 9, 10, 11, 12, 13, 14, 15 0
0, 1, 2, 3, 4, 5, 6, 7
HART Smooth Filter
Rebuild
0
Pulsed
On
2
0
1
On
On
HART Read Back
Primary Master
Secondary Master
On
On
Off
On
On
On
3
Off
Off
Off
1
0
Off
Off
4
Off
Off
On
1
1
On
Off
(1)
Where:
Ch 0 - bits 0 and 8; Ch 1 - bits 1 and 9; Ch 2 - bits 2 and 10; Ch 3 - bits 3 and 11; Ch 4 - bits 4 and
12; Ch 5 - bits 5 and 13; Ch 6 - bits 6 and 14; Ch 7 - bits 7 and 15
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FLEX Ex 8 Output and HART Analog Modules 27
Field Descriptions
Analog/Digital
Output Mode
Selects if the channel acts as a normal analog output or as a switched digital output.
Analog Output mode will follow the Analog Data Format selected.
Digital Output mode will output 0 mA = OFF, 22 mA = ON if the Fault mode is 0 = disable. Digital Output mode will output 2 mA = OFF,
22 mA = ON if the Fault mode is 1 = wire off fault detection enabled.
Range: 0 = normal analog output, 1 = switched digital output.
Analog Output Data Specifies the value of the analog output data to the module. Specific format is controlled by Module Data Format Control parameter. This data is used when the channel is in Analog Output mode.
Digital Output Data Specifies the value of the digital output data to the module. This data is used when the channel is in digital output mode.
Range: 0 = output, 0 mA = OFF, 1 = 22 mA = ON if the Fault mode is 0 = disable. 0 = output, 2 mA = OFF, 1 = 22 mA = ON if the Fault mode is 1
= wire-off fault detection enabled.
Global Reset This bit acts to reset all outputs to accept normal system output data.
It acts in conjunction with the Latch Retry parameter. If any channel faults occur, the Latch Retry parameter can be set to cause the fault to be latched and the output to go to its safe state value.
This is an edge-triggered signal. It must first be set (1). Reset will then occur on the set-to-reset transition.
Output Enable Signals module that communications has been interrupted to the network. Output modules should execute their fault routine or go to safe state.
On power-up, the module remains OFF, 0 mA out.
After normal power-up, this bit must be set (1) by the user program to begin normal module functioning. If the bit is reset to 0 by a communication fault, the module should use the information contained in the Module Safe State data until the value is set to 1, when normal function continues.
Analog Fault State Determines how module reacts to faults when channel is used in
Analog Normal mode.
Range: 0 = go to minimum value of data range, 1 = go to maximum value of data range, 2 = hold last state, 3 = 50% of data range
(1797-OE8) or use analog fault state value (1797-OE8H).
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28 FLEX Ex 8 Output and HART Analog Modules
Field Descriptions
Analog Fault State
Value
Specifies the fault state value of the analog output data to the module.
Specific format is controlled by Module Data Format Control parameter. This data is used when the channel is in Analog Output mode and the analog fault state is configured to use analog fault state value.
Digital Fault State Determines how module reacts to faults when channel is used in digital mode.
Range: 0 = reset, 1 = hold last state.
Fault Mode Selects whether the channel pair fault detection is enabled or disabled. There is a 100 Hz (10 ms) filter for wire-off/lead-break detection.
Range: 0 = disable, 1 = wire-off fault detection enabled.
Latch Retry Mode Latch Retry determines channel operation under wire-off fault conditions. These bits control the action of two channel groups - channels 0…3 and channels 4…7. When a channel fault occurs, the channel fault alarm will be set (if enabled) and the safe state mode will be enabled. If retry is selected, the channel will periodically try to reestablish proper output. If latch is selected, the fault will be latched until a Global Reset is issued.
Range: 0 = retry, 1 = latch.
Local Fault Mode This parameter determines how the Module Safe State will be used for bus communication and internal module faults. This parameter sets this characteristic for the module.
Range: 0 = fault states activated by bus communication faults, 1 = fault states activated by any failure (for example, bus communications).
Fault Alarm (8 or 1 Bit
Each)
Alarm signal for open wire channel fault, detected at < 2 mA. This alarm is disabled when a data format is selected which includes 0 mA.
Range: 0 = normal, 1 = wire-off fault detected.
HART Rebuild Flag
(1 of 1 Bit)
(1797-OE8H)
During the time the system is rebuilding the HART table, the HART rebuild flag is set.
Range: 0 = normal, 1 = HART rebuilding.
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Field Descriptions
HART Read Back
(1797-OE8H)
The HART Read Back bits show deviations between the analog measured current value on a loop (by the 1797-OE8H) and the digital
(real) current (sensed by the HART device on its own) received by the
1797-OE8H during HART communication in the background.
When this bit is set (1), it indicates that HART communications are failing on the associated channel.
Range: 0 = normal, 1 = HART communication failure.
Range: 0 = normal, 1 = HART communication is currently occurring.
HART
Communication
(1797-OE8H)
HART Transmitter
List (1797-OE8H)
Extended
Configuration
(1797-OE8H)
When this bit is set (1), it indicates that a HART field device was found during the rebuild sequence on the associated channel.
Range: 0 = transmitter was not found, 1 = HART transmitter was found.
Configuration additions are needed for HART communications. An extended configuration area is provided. This Extended Configuration table is configured by writing a CIO or MSG instruction with the following:
Class = 0x7D
Instance = Product location on flexbus
(Use 1 for the module located next to the adapter.)
Attribute = 0x65
Service = Set Attribute Single (0x10).
HART Status
Indicators
(1797-OE8H)
When this bit is set (1), the indicators are used for HART diagnostic.
Indicator behavior changes to show communication on HART. Each status indicator represents a HART loop. Flashing yellow indicates that communication is currently being processed. Solid yellow means that this device is in the transmitter list.
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30 FLEX Ex 8 Output and HART Analog Modules
Field Descriptions
HART Status Inhibit
(1797-OE8H)
When this bit is set (1), the HART communication status is not shown in the realtime data table. The appropriate areas are cleared with zeroes.
Range: 0 = normal, 1 = inhibit HART.
Range: 0 = 50 Hz, 1 = 60 Hz.
50/60 Hz Filter
(1797-OE8H)
HART Read Back
Threshold
(1797-OE8H)
Delivers the percentage value (in steps of 1%) of the threshold for forcing the HART read back indication (input signal deviation
HART/Analog) with a 31% maximum deviation.
If there is no HART transmitter on the loop or the loop is not in the transmitter list, the function is switched off internally in the I/O module.
Range: 0 = disabled, 1…4 = not supported from I/O module (set to 5 internally), 5…31 = percentage threshold data (5…31%).
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FLEX Ex 8 Output and HART Analog Modules 31
Cooperative Operation of the ControlNet Ex Adapter and the
1797-OE8 Output Module
The ControlNet Ex adapter (1797-ACNR15) combined with the 1797-OE8 output module provides a two-tier fault state mechanism. It is important to consider and understand the operation of this mechanism when designing your system.
Two sets of programmable fault states are available, one each in the adapter and 1797-OE8 module. This two-tier method is meant to give you a wider fault coverage compared with normal methods.
Adapter Operation with the 1797-OE8 Module
Network Communication Monitoring
The adapter is the primary monitor of network activity. If it detects loss of network communication, it can be configured to:
• continue writing the last valid received data to the module (hold last state).
• apply local module safe states.
(1)
• write a programmable fault state value to the module, depending upon the module type.
(2)
This mechanism primarily targets fault behavior for loss of network communication.
(1)
(2)
This selection could be shown as Reset Outputs but its action is Apply Local Module Safe States.
This option is only available in some adapters.
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32 FLEX Ex 8 Output and HART Analog Modules
Program Mode Behavior
The adapter also monitors the state of the controlling processor or scanner.
Two states can be detected: run mode and program mode (idle).
When program mode is detected, the adapter can be configured to:
• continue writing the last valid received data to the module (hold last state).
• apply local module safe states.
(1)
• write a programmable fault state value to the module, depending upon the module type.
(2)
1797-OE8 FLEX Ex Output Module Operation
Flexbus Communication Monitoring
The module monitors flexbus communication activity and the state of its
Output Enable bit. If it detects loss of flexbus communication activity or the
Output Enable bit transitioning to 0, it can be programmed to:
• continue writing the last valid received data to the outputs (hold last state).
• reset the outputs.
• write the local module fault state value to the output, depending upon the module type.
This mechanism primarily targets fault behavior for loss of backplane communication.
(1)
This selection could be shown as Reset Outputs but its action is Apply Local Module Safe States.
(2)
This option is only available in some adapters.
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FLEX Ex 8 Output and HART Analog Modules 33
Power-up State Behavior
The system and modules use the Output Enable bit at system power-up. The power-up state of the Output Enable bit is 0 and must be transitioned to 1 through application program control to initialize activity of a module’s outputs.
Before the Output Enable bit is transitioned to 1, module outputs remain off.
Once the initial power-up and application-program control transitions the
Output Enable bit to 1, and module output activity begins, subsequent transitions of the Output Enable bit by any source will cause the output module to apply the local module fault state.
Cooperative Operation of the Adapter and the 1797-OE8H Output
Module
The 1797-OE8H module has more intelligence than the 1797-OE8 module.
The ControlNet adapter, the EtherNet adapter, and the FlexLogix controller are aware of this. These adapters convey the Run/Program (Idle) Mode and
Communication Fault status directly to the 1797-OE8H module. The
1797-OE8H module monitors this information and determines its own fault state actions according to your configuration. This allows for a more simplified approach to your connections. With regard to the Program Mode
Behavior and Network Communication Fault, the 1797-OE8H module can be configured to provide the following:
• Set Analog Output to Minimum Value
• Set Analog Output to Maximum Value
• Hold Last Analog Value
• Go to User Programmable Analog Value
• Set Digital Output to Minimum Value
• Hold Last Digital Value
IMPORTANT
After the 1797-OE8H module is powered up and prior to it receiving its configuration information from the network, the
1797-OE8H will default its fault states to Set Analog Output to Minimum Value and Set Digital Output to Minimum Value.
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34 FLEX Ex 8 Output and HART Analog Modules
Repair
ATTENTION
This module is not field repairable. Any attempt to open the module will void the warranty and IS certification. If repair is necessary, return the module to the factory.
Status Indicators
Input Status
Power Status
45096
Interpret the Status Indicators
Status
Flashing red
Solid green
Description
Channel fault -
Channel 0 indicator will turn red while power-up check is running
Power applied to module
Specifications
Specifications - 1797-OE8
Number of Outputs
IS input type
8 single-ended, nonisolated
Ex ia IIB/IIC T4
AEx ia IIC T4
Class I, II, III Division 1 Group A-G T4
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FLEX Ex 8 Output and HART Analog Modules 35
IS module type Ex ib IIB/IIC T4
AEx ib IIC T4
Class I, II, III Division 1 Groups A-D T4
Resolution
Transfer Characteristics
Accuracy at 20
Load Range
Current
Module Field-side Power
Consumption o
C (68
Temperature Drift o
F)
Voltage Available at 22 mA
Load
13 bit
0.1% of output signal range
0.010%/°C of output signal range
0…22 mA
>11V
0…500
Ω
@ 22 mA
Configurable Data Format
Step Response to 99% of FS 4 ms
Module from Adapter 200 ms/1600
μ s
Best/Worst Update Time
Indicators 8 red fault indicators
Output Ch0…Ch 7
(Intrinsically Safe)
(Terminals: 0…1; 4…5;
1 green power
I
U o o
< 21V
< 100 mA
P o
< 520 mW
8…9; 12…13; 17…18;
21…22; 25…26; 29…30)
Isolation Path
Output to Power Supply
Output to Flexbus
Output to Output
Power Supply to Flexbus
Power Supply
(+V, -V Intrinsically Safe)
(Terminals: 34/50 (+);
35/51 (-))
Isolation Type
Galvanic to DIN EN60079-11
Galvanic to DIN EN60079-11
None
Galvanic to DIN EN60079-11
I
U i i
< 9.5V dc
< 1 A
L i
= Negligible
C i
= Negligible
6.3 W
Power Dissipation
Thermal Dissipation
Module Location
Dimensions Metric
Imperial
5.4 W
18.4 BTU/hr
Cat. No. 1797-TB3 or 1797-TB3S Terminal Base Unit
2
(12 gauge) stranded max
1.2 mm (3/64 in.) insulation max
46 mm x 94 mm x 75 mm
(1.8 in. x 3.7 in. x 2.95 in.)
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36 FLEX Ex 8 Output and HART Analog Modules
Weight
Keyswitch Position
Environmental Conditions
Operational Temperature
200 g (approximately)
4
Storage Temperature
-20…+70 o
C (-4…+158 o
F)
-40…+85 o
C (-40…+185 o
F)
Relative Humidity
Shock Operating
5…95% noncondensing
Tested to 15 g peak acceleration, 11(+1) ms pulse width
Vibration
Nonoperating Tested to 15 g peak acceleration, 11(+1) ms pulse width
Tested 2 g @ 10…500 Hz per IEC68-2-6
Agency Certification
CENELEC II (1) 2G Ex ib[ia] IIC T4
II (1) D [Ex iaD]
UL, C-UL Class I, Groups A, B, C and D; Class II, Groups E, F and G;
Class III Hazardous Locations
Class I, Zone 1, AEx ib[ia] IIC T4
FM Intrinsically safe Class I, Div 1, Groups A, B, C, D, T4.
Associated Apparatus with intrinsically safe Connections
Class I, II, III, Div 1, Groups A--G
Intrinsically safe Class I, Zone 1, AEx ib[ia] IIC T4.
IECEx [Zone 0] Ex ib[ia] IIC T4
[Ex iaD]
INMETRO BR-Ex ia/ib IIB/IIC T4
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FLEX Ex 8 Output and HART Analog Modules 37
Certificates
CENELEC DMT 00 ATEX E 042 X
UL, C-UL File No.: E197983
Class I Division 1 Hazardous
FM FM Certificate Number 3009806
FM
IECEx IECEx BVS 09.0023X
INMETRO 05/UL-BRAE-0017X
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38 FLEX Ex 8 Output and HART Analog Modules
Specifications - 1797-OE8H
Number of Outputs
IS Input type
IS Module type
8 single-ended, non-isolated
Ex ia IIB/IIC T4
AEx ia IIC T4
Class I, Division I Groups A-G T4 (FM only)
Ex ib IIB/IIC T4
AEx ib IIC T4
Class I, Division I Groups A-D T4 (FM only)
Resolution
Transfer Characteristics
Accuracy at 20
Load Range
Current
Module Field-side Power
Consumption o
C (68
Temperature Drift o
F)
Voltage Available at 22 mA
Load
13 bits
0.1% of output signal range
0.010%/°C of output signal range
0…22 mA
> 15V
0…680
Ω
@ 22 mA, 0…770
Ω
@ 20 mA
Configurable Data Format
Step Response to 99% of FS 4 ms
Module from Adapter 200 ms/1600
μ s
Best/Worst Update Time
Indicators 8 red fault indicators
1 green power
Output Ch0…Ch 7
(Intrinsically Safe)
(Terminals: 0…1; 4…5;
8 yellow HART comm indicators
I
U o o
< 21.6V
< 92 mA
P o
< 500 mW
8…9; 12…13; 17…18;
21…22; 25…26; 29…30)
Isolation Path
Output to Power Supply
Output to Flexbus
Output to Output
Power Supply to Flexbus
Power Supply
(+V, -V Intrinsically Safe)
(Terminals: 34 and 50 (+);
35 and 51 (-))
Isolation Type
Galvanic to DIN EN60079-11
Galvanic to DIN EN60079-11
None
Galvanic to DIN EN60079-11
I
U i i
< 9.5V dc
< 1 A
L i
= Negligible
C i
= 120 nF
6.1 W
Power Dissipation 5.4 W
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FLEX Ex 8 Output and HART Analog Modules 39
Thermal Dissipation
Module Location
Conductors Wire Size
Dimensions Metric
Imperial
Weight
Keyswitch Position
Environmental Conditions
Operational Temperature
20.8 BTU/hr
Cat. No. 1797-TB3 or 1797-TB3S Terminal Base Unit
4 mm
2
(12 gauge) stranded max
1.2 mm (3/64 in.) insulation max
46 mm x 94 mm x 75 mm
(1.8 in. x 3.7 in. x 2.95 in.)
200 g (approximately)
4
-20…+70
°
C (-4…+158
°
F)
Storage Temperature
Relative Humidity
ShockOperating
Nonoperating
Vibration
-40…+85
°
C (-40…+185
°
F)
5…95% noncondensing
Tested to 15 g peak acceleration, 11(+1) ms pulse width
Tested to 15 g peak acceleration, 11(+1) ms pulse width
Tested 2 g @ 10…500 Hz per IEC68-2-6
Agency Certification
CENELEC II (1) 2G Ex ib[ia] IIC T4
II (1) D [Ex iaD]
FM Intrinsically safe Class I, Div 1, Groups A, B, C, D, T4.
Associated Apparatus with intrinsically safe
Connection Class I, II, III, Div 1, Groups A--G
Intrinsically safe Class I, Zone 1, AEx ib[ia] IIC T4.
IECEx II (1) 2G Ex ib[ia] IIC T4
II (1) D [Ex iaD]
Certificates
CENELEC DMT 00 ATEX E 042 X
FM FM Certificate Number 3009806
FM
IECEx IECEx BVS 09.0023X
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40 FLEX Ex 8 Output and HART Analog Modules
Entity Parameters
CE, CENELEC I/O Entity Parameters (1797-OE8)
Signal output (+ to -) for ch 0 to ch 7
(terminals: 0 and 1; 4 and 5; 8 and 9; 12 and 13; 17 and 18; 21 and 22; 25 and
26; 29 and 30)
Protection Group
EEx ia IIB
IIC
Allowed
Capacitance
1.27
μ
F
188 nF
Allowed
Inductance
8 mH
2 mH
I
U o o
= 21V
= 100 mA
P o
= 520 mW
If concentrated capacitance and/or inductance are available, use the following values.
EEx ia IIB
IIC
295 nF
70 nF
10 mH
2 mH
CE, CENELEC I/O Entity Parameters (1797-OE8H)
Signal output (+ to -) for ch 0 to ch 7
(terminals: 0 and 1; 4 and 5; 8 and 9; 12 and 13; 17 and 18; 21 and 22; 25 and
26; 29 and 30)
I
U o o
= 21.6V
= 92 mA
P o
= 500 mW
Protection Group Allowed
EEx ia IIB
Capacitance
1.18
μ
F
IIC 164 nF
Allowed
Capacitance
1.18
μ
F
164 nF
Internal
Capacitance
10 nF
10 nF
Internal
Inductance
0 mH
0 mH
UL, C-UL I/O Entity Parameters (1797-OE8 Only)
If this product has the UL/C-UL mark, it has been designed, evaluated, tested, and certified to meet the following standards:
• UL 913, 1988, Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and III Division 1, Hazardous (Classified)
Locations
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FLEX Ex 8 Output and HART Analog Modules 41
• UL 1203, Explosion-Proof and Dust-Ignition-Proof Electrical
Equipment for Use in Hazardous (Classified) Locations
• UL 2279, Electrical Equipment for Use in Class I, Zone 0, 1, and 2
Hazardous (Classified) Locations
• UL 61010, UL Standard for Safety Electrical Equipment For
Measurement, Control, and Laboratory Use; Part 1: General
Requirements
• CSA C22.2 No. 157-92, Intrinsically Safe and Non-Incendive
Equipment for Use in Hazardous Locations
• CSA C22.2 No. 30-M1986, Explosion-Proof Enclosures for Use in
Class I Hazardous Locations
• CSA-E79-0-95, Electrical Apparatus for Explosive Gas Atmospheres,
Part 0: General Requirements
• CSA-E79-11-95, Electrical Apparatus for Explosive Gas
Atmospheres, Part 11: Intrinsic Safety “i”
• CSA C22.2 No. 14-95, Industrial Control Equipment
Wiring Methods
• Wiring method 1 - Each channel is wired separately.
• Wiring method 2 - Multiple channels in one cable, providing each channel is separated in accordance with the National Electric Code
(NEC) or Canadian Electric Code (CEC).
Publication
1797-5.3 - September 2011
42 FLEX Ex 8 Output and HART Analog Modules
Table 1
Wiring
Method
Channel Terminals V oc
(V)
I sc
(mA)
V t
(V)
0(+), 1(-) 21.0
100.0
1 and 2 Any one channel
(for example, ch0)
I t
(mA)
-
Groups C a
(
μ
F)
L a
(mH)
A, B, IIC 0.08
2.0
C, E, IIB 0.24
8.0
D, F, G,
IIA
0.64
16.0
FLEX Ex Analog
Output I/O
Indicators
Female Bus
Field Wiring
IMPORTANT
Key Position for
Terminal Base
Insertion
Male Bus
Connection
Terminal Base
Key
Terminal Base
42013
A terminal base may or may not have an I/O module installed.
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1797-5.3 - September 2011
FLEX Ex 8 Output and HART Analog Modules 43
Hazardous (Classified) Location
Class I, Zones 0, 1, & 2 Groups IIC, IIB, IIA
Class I, Div. 1 & 2 Groups A, B, C, D
Class II, Div. 1 & 2 Groups E, F, G
Class III, Div. 1 & 2 ch0
Any Simple Apparatus or I.S. device with Entity Concept parameters (V max
, I max
, C i
, L appropriate for connection to i
) associated apparatus with
Entity Concept parameters listed in Table 1.
ch1
0 (+)
1 (-)
4 (+)
5 (-) ch2
8 (+)
9 (-) ch3 ch4 ch5
21 (+)
22 (-) ch6
17 (+)
18 (-)
25 (+)
26 (-) ch7
12 (+)
13 (-)
29 (+)
30 (-)
Hazardous (Classified) Location
Class I, Zones 1 & 2 Groups IIC, IIB, IIA
Class I, Div. 1 & 2 Groups A, B, C, D
Female Bus
Connector
C i
L i
V max
I max
=5.8V
=400mA
=1350nF
=negligible 34
I
V
C i
L i max max
=9.5V
=1A
=negligible
=negligible
35
51
50
Male Bus
Connector
1797-OE8
16
33
40
41
42
43
44
45
To any intrinsically safe device or associated apparatus with Entity
Concept parameters of
V oc
< 5.8V; I sc
< 400 mA.
T o any intrinsically safe device or associated apparatus with Entity
Concept parameters of
V oc
< 9.5V; I sc
< 1 A.
To any IS device with Entity
Concept parameters of
(V max
, I max
, C i
, L i
) appropriate for connection to associated apparatus with Entity Concept parameters listed in Table 2.
Shield Connection
Only
42016
Publication
1797-5.3 - September 2011
44 FLEX Ex 8 Output and HART Analog Modules
Table 2
Terminals
Male Bus
Connector
V t
(V)
5.8
I t
(mA)
400
Groups
A-G
C a
(
μ
F)
3.0
L a
(
μ
H)
3.0
The entity concept allows interconnection of intrinsically safe apparatus with associated apparatus not specifically examined in combination as a system when the approved values of V oc
and I sc
or V t
and I t
of the associated apparatus are less than or equal to V max
and I max
of the intrinsically safe apparatus and the approved values of C a
and L a
of the associated apparatus are greater than C i
+ C cable
and L i
+ L cable
respectively for the intrinsically safe apparatus.
Simple apparatus is defined as a device which neither generates nor stores more than 1.2V, 0.1 A, 20
μ
J, or 25 mW.
Wiring methods must be in accordance with the National Electric Code,
ANSI/NFPA 70, Article 504 and 505 or the Canadian Electric Code CSA
C22.1, Part 1, Appendix F. For additional information refer to ANSI/ISA
RP12.6.
This module, 1797-OE8, must be used with terminal base 1797-TB3 or
1797-TB3S.
Terminals 2, 3, 6, 7, 10, 11, 14, 15, 19, 20, 23, 24, 27, 28, 31, 32, 36 to 39, and 46 to 49 shall not be connected.
WARNING:
Substitution of components may impair intrinsic safety.
AVERTISSEMENT:
La substitution de composant peut compromettre la securite intrinseque.
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1797-5.3 - September 2011
FLEX Ex 8 Output and HART Analog Modules 45
FM I/O Entity Parameters
If this product has the FM mark, it has been designed, evaluated, tested, and certified to meet the following standards:
• FM C1. No.3600:1998, Electrical Equipment for Use in Hazardous
(Classified) Locations General Requirements
• FM C1. No.3610:1999, Intrinsically Safe Apparatus and Associated
Apparatus for Use in Class I, II, III Division 1 Hazardous (Classified)
Locations
• FM C1. No.3615:1989, Explosionproof Electrical Equipment General
Requirements
• FM C1. No.3810:1989, 1995, Electrical and Electronic Test,
Measuring and Process Control Equipment
• ANSI/NEMA 250, 1991, Enclosures for Electrical Equipment
Wiring Methods
• Wiring method 1 - Each channel is wired separately.
• Wiring method 2 - Multiple channels in one cable, providing each channel is separated in accordance with the National Electric Code
(NEC).
Publication
1797-5.3 - September 2011
46 FLEX Ex 8 Output and HART Analog Modules
FM I/O Entity Parameters for 1797-OE8
Wiring
Method
Channel Terminals V oc
(V)
I sc
(mA)
1 and 2 Any one channel
(for example, ch0)
0(+), 1(sig) 21.0
100.0
-
V t
(V)
I t
(mA)
-
Groups C a
(
μ
F)
A, B
L a
(mH)
0.20
3.5
C, E 0.60
10.5
D, F, G 1.60
28.0
FM I/O Entity Parameters for 1797-OE8H
Wiring
Method
Channel Terminals V oc
(V)
I sc
(mA)
1 and 2 Any one channel
(for example, ch0)
0(+), 1(sig) 21.6
92
V t
(V)
-
I t
(mA)
-
Groups C a
(
μ
F)
A, B
L a
(mH)
0.164
3.5
C, E 0.49
10.5
D, F, G 1.31
28.0
FLEX Ex Analog
Output I/O
Indicators
Female Bus
Field Wiring
Publication
1797-5.3 - September 2011
Key Position for
Terminal Base
Insertion
Male Bus
Connection
Terminal Base
Key
Terminal Base
42055
FLEX Ex 8 Output and HART Analog Modules 47
IMPORTANT
Hazardous (Classified) Location
Class I, Zones 0 Groups IIC, IIB, IIA
Class I, Div. 1 Groups A, B, C, D
Class II, Div. 1 Groups E, F, G
Class III, Div. 1
Any Simple Apparatus or FM approved device with Entity
Concept parameters (V max
I max
, C i
, L i
) appropriate for connection to associated
, apparatus with Entity Concept parameters listed in Table 1.
A terminal base may or may not have an I/O module installed.
Hazardous (Classified) Location
Class I, Zones 1 Groups IIC
Class I, Div. 1 Groups A, B, C, D ch0 ch1 ch2 ch3 ch4 ch5 ch6 ch7
0 (+)
1 (sig)
2 (-)
4 (+)
5 (sig)
6 (-)
8 (+)
9 (sig)
10 (-)
12 (+)
13 (sig)
14 (-)
Female Bus
Connector
V max
I max
C i
=5.8V
=400mA
=1350nF
L i
=negligible
V max
I max
C i
L i
=9.5V
=1A
=negligible
=negligible
34
35
51
50
17 (+)
18 (sig)
19 (-)
21 (+)
22 (sig)
23 (-)
Male Bus
Connector
25 (+)
26 (sig)
27 (-)
1797-OE8 or
29 (+)
30 (sig)
31 (-)
-OE8H
16
33
40
41
42
43
44
45
For connection to other modules, refer to the
General FM Certification
Information on page 29-1 of publication 1797-6.5.6.
From FM approved devices,
1797-PS1N, -PS2N, or
-PS2N2.
For connection to other modules, refer to the General
FM Certification Information on page 29-1 of publication
1797-6.5.6.
Shield Connection Only
42056
Table 2
Terminals
Male Bus
Connector
V t
(V)
5.8
I t
(mA)
400
Groups
A to G
C a
(
μ
F)
3.0
L a
(
μ
H)
3.0
Publication
1797-5.3 - September 2011
48 FLEX Ex 8 Output and HART Analog Modules
Table 3: Flexbus Entity Values for this Module
Any combination of up to eight FLEX Ex I/O modules may be attached on a flexbus.
Terminals
Female Bus
Connector
V max
(V) I max
(mA)
5.8
400
Groups
A to D
C i
(
μ
F)
1.35
L i
(
μ
H)
0
The entity concept allows interconnection of intrinsically safe apparatus with associated apparatus not specifically examined in combination as a system when the approved values of V oc
and I sc
or V t
and I t
of the associated apparatus are less than or equal to V max
and I max
of the intrinsically safe apparatus and the approved values of C a
and L a
of the associated apparatus are greater than C i
+ C cable
and L i
+ L cable
respectively for the intrinsically safe apparatus. The internal capacitances Ci of the terminal base must be taken into account to verify the intrinsic safety.
Simple apparatus is defined as a device which neither generates nor stores more than 1.2V, 0.1 A, 20
μ
J, or 25 mW.
Wiring methods must be in accordance with the National Electric Code,
ANSI/NFPA 70, Article 504 and 505. For additional information refer to
ANSI/ISA RP12.6.
This module, 1797-OE8 or 1797-OE8H, must be used with terminal base
1797-TB3 or 1797-TB3S.
Terminals 2, 3, 6, 7, 10, 11, 14, 15, 19, 20, 23, 24, 27, 28, 31, 32, 36 to 39, and 46 to 49 shall not be connected.
WARNING:
Substitution of components may impair intrinsic safety.
IMPORTANT
For detailed certification information, refer to the FLEX
Ex System Certification Reference Manual, publication
1797-6.5.6.
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1797-5.3 - September 2011
FLEX Ex 8 Output and HART Analog Modules 49
Attention: Avoid electrostatic charging.
ATENÇÃO! PREVENIR CONTRA O
ACÚMULO DE CARGA ELETROSTÁTICA
.
Publication
1797-5.3 - September 2011
50 FLEX Ex 8 Output and HART Analog Modules
Notes:
Publication
1797-5.3 - September 2011
Notes:
FLEX Ex 8 Output and HART Analog Modules 51
Publication
1797-5.3 - September 2011
Rockwell Automation Support
Rockwell Automation provides technical information on the Web to assist you in using its products. At http://support.rockwellautomation.com
, you can find technical manuals, a knowledge base of FAQs, technical and application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the best use of these tools.
For an additional level of technical phone support for installation, configuration, and troubleshooting, we offer TechConnect support programs. For more information, contact your local distributor or Rockwell Automation representative, or visit http://support.rockwellautomation.com
.
Installation Assistance
If you experience a problem within the first 24 hours of installation, please review the information that's contained in this manual. You can also contact a special Customer
Support number for initial help in getting your product up and running.
United States 1.440.646.3434
Monday – Friday, 8 a.m. – 5 p.m. EST
Outside United States Please contact your local Rockwell Automation representative for any technical support issues.
New Product Satisfaction Return
Rockwell Automation tests all of its products to ensure that they are fully operational when shipped from the manufacturing facility. However, if your product is not functioning and needs to be returned, follow these procedures.
United States Contact your distributor. You must provide a Customer Support case number
(see phone number above to obtain one) to your distributor in order to complete the return process.
Outside United States Please contact your local Rockwell Automation representative for the return procedure.
Allen-Bradley, Rockwell Automation, TechConnect, and Flex Ex are trademarks of Rockwell Automation, Inc.
Trademarks not belonging to Rockwell Automation are property of their respective companies.
Publication
1797-5.3 - September 2011 PN-121052
Supersedes Publication 1797-IN003H-EN-P - December 2005 Copyright © 2011 Rockwell Automation, Inc. All rights reserved. Printed in Singapore.
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