GE Digital 8811-IO-DC Specifications
Safety and Distributed Control
PAC8000 SafetyNet
SafetyNet IO Modules
SafetyNet IO Modules interface to safety system field wiring via Field Terminals. The IO Modules and the Field Terminals mount on
Carriers that provide mechanical support, but also connect the internal communication bus and power supply connections to the
Modules. The IO Modules are certified as suitable for use in SIL 2 safety-related applications.
• Certification
The SafetyNet IO Modules are
certified for use in safety-related
applications up to and including SIL 2.
The SafetyNet System achieves this
certification with a 1oo1D architecture.
The SafetyNet IO Modules have been
designed specifically for safety-related
applications and are certified on the
basis of the excellence of their design.
The certification does not depend on
“proven in use” data.
• Diagnostics
The IO Modules perform
comprehensive internal diagnostic tests
as an essential part of ensuring that
the IO can carry out the required safety
function. If the SafetyNet IO Module’s
internal diagnostics detect a fault that
would prevent the SafetyNet System
from carrying out its safety function,
then it will initiate a controlled
shutdown. A controlled shutdown has
two objectives – firstly, to ensure that
the IO Module enters its failsafe mode;
and secondly, to record sufficient data
to allow the reason for the shutdown to
be determined. If a SafetyNet Module
enters a controlled shutdown, then
all IO channels are deactivated: input
channels are not scanned; and output
channels are de-energized.
• Bussed Field Power
The Bussed Field Power (BFP)
connectors on the rear of IO Module
Carriers provide the power connections
for field instruments wired to the IO
Modules. For the SafetyNet System,
BFP must be 24 VDC and supplied by
MTL’s 8914-PS-AC units. These power
supplies may be used in redundant
pairs, if required.
• Live Maintenance
SafetyNet IO Modules can be removed
and replaced in a Class 1, Division 2
or Zone 2 hazardous area - once the
relevant Bussed Field Power (BFP)
connection has been isolated using
an appropriate hazardous area switch
(such as the MTL951). Removing
and replacing the Modules does
not interrupt the operation of the
other parts of the node. If a Module
is replaced by another Module of
identically the same type, then no
intervention is required for the System
to begin operating normally once the
Bussed Field Power is restored.
• Line Fault Monitoring
In addition to the comprehensive
internal diagnostics the SafetyNet IO
Modules can monitor field wiring for
line faults.
continued next page
www.geautomation.com
Automation & Control Systems
5.31
Safety and Distributed Control
• Event Logging
Data from SafetyNet IO Modules can
be time stamped and stored by the
SafetyNet Controller before being
downloaded to the PAC8000 SOE Data
Retrieval Client or a 3rd party historian
package. SafetyNet IO Module data
is time stamped with a resolution of
better than 200ms.
• Failsafe Mode
IO Modules will enter Failsafe Mode
from the Running State either due
to loss of communications with the
Controller or because the module
has received an instruction from the
Controller to enter the Failsafe State. In
this state:
– The Red Fault LED is lit
– The IO Module is flagged as
unhealthy to the Controller
– All Railbus Write requests are
rejected, except instructions to Reset
or to exit the Failsafe State
– Inputs and HART data are read
– Outputs are de-energized
– Background diagnostics continue and
if a failure is detected, the module
will enter Controlled Shutdown
• Controlled Shutdown
A Controlled Shutdown is carried out if
a fault is detected in the Module. In this
state it can communicate the reason
for shutdown.
• LEDs
A number of LEDs are provided on each
IO Module to provide visual indication
of the status of the Module, its channels
and its power supply.
• Module ‘Fault’ LED (red)
– On - Failsafe
– Off - Normal operation Flashing
(equal:mark space ratio) – Cold start in
process, will flash until communication
is established with SafetyNet Controller.
– Blinking (On for a short period, then On
for a longer period – morse code ‘a’) –
Fault state after controlled shutdown
• Module ‘Power’ LED (green)
– On - Power OK
– Off - BFP or Railbus Power Failure
• Module ‘Channel’ LED’s (yellow)
– See Individual Module Specifications.
Publication Reference Chart
GFA-1779 PAC8000 2/x Series Modular I/O
GFA-1769 PAC8000 Carriers and Field Terminals
Automation & Control Systems
5.32
www.geautomation.com
Safety and Distributed Control
PAC8000 SafetyNet
PAC8000 Process I/O
PAC8000 delivers full-specification performance in harsh process environment conditions; extreme temperatures, humidity or
corrosives and conditions subject to shock and vibration. In ATEX environments, PAC8000 also excels. All components can be mounted
and maintained in Zone 2/Division 2 hazardous areas. The I/O includes types that can be connected directly to Intrinsically Safe (Exi)
or Increased Safety (Exe) field wiring. PAC8000 provides comprehensive diagnostic data on Controllers, Bus Interface Modules, I/O
Modules, field wiring and field instruments, allowing users to respond to issues quickly and effectively.
PAC8000 I/O can be used in conjunction with intelligent Controllers on architectures which require distributed control (Refer to
Section 2 Conventional Control Systems). Alternatively, where remote I/O is required, the node can use a Bus Interface Module (BIM)
or a network scanner. A range of BIMs are available for connection to remote hosts using different protocols. PROFINET, Modbus RTU,
PROFIBUS DP and Modbus TCP/IP.
Benefits of PAC8000 I/O
• Bus Interface Modules
For architectures that require remote
or distributed I/O, PAC8000 uses
Bus Interface Modules (BIMs) to act
as a network interface or scanner.
Some BIMs can be used redundantly,
mounted on the same BIM carrier to
increase availability. BIMs that can only
be used in simplex mode can work
with the 8510-NS-MO Node Services
Module, which stores the relevant
parameters, so that insertion of a
new replacement triggers automatic
configuration of the unit and the node.
• I/O Modules
A broad range of PAC8000 I/O modules
are available to meet the needs of
different applications. All modules
provide comprehensive diagnostic
information. Analog and discrete
output modules are typically 8channel, with 8-, 16- or 32channel discrete input modules.
The maximum number of I/O Modules
that can be mounted on a node
depends on the BIM type – either 24
(PROFIBUS DP types), 32 (Modbus
RTU type) or 64 (Modbus TCP/IP type)
modules can be mounted on each
node. Modules that mount in zone 2
and can accept field wiring to zone 2
are known as PAC8000 2/2 modules.
Modules which mount in zone 2 and
are compatible with intrinsically safe
field wiring are known as PAC8000
2/1 modules.
• Environmental and Hazardous
Area Operation
PAC8000 can go where other products
cannot. They can be field mounted
and will operate under the following
conditions:
– -40°C to +70°C ambient
temperature
– ISA Level G3 corrosive
atmospheres
– 30g shock and 5g vibration
– Class I, Division 2 and Zone 2
hazardous areas, with I/O field wiring
including intrinsically safe (Exi) and
increased safety (Exe) options.
www.geautomation.com
Publication Reference Chart
GFK2839 PAC8000 PNS Manual
INM8100 8000 I/O - 2/2 I/O modules with SafetyNet
INM8200 8000 I/O - 2/x I/O modules
INM8502 8000 I/O - Profibus-DP BIM
INM8505 8000 I/O – Modbus BIM
INM8510 8510 – Node Services Module
INM8512 8512 - HART Interface Module
Automation & Control Systems
5.33
Safety and Distributed Control
• LAN Redundancy
Different LAN Redundancy options
are available from the different
BIMs. PROFINET BIMs support a ring
architecture (PROFINET’s “Media
Redundancy Protocol”, or MRP), the
Ethernet BIM supports redundant,
fault tolerant Ethernet and the Modbus
RTU BIM can operate two LANs in a
number of different ways based on
its configuration. The 8507-BI-DP BIM
can provide redundant LANs when
redundant BIMs are installed.
• HART Pass-through
All PAC8000 BIMs are designed to work
with HART field instruments when
combined with appropriate HARTcapable Analog I/O Modules. This allows
remote asset management packages to
communicate directly with HART field
instruments. The PROFINET BIM due
for initial release will have this feature
in 2013, and the 8505-BI-MB Modbus
BIM requires the use of the 8512-IF-HA
HART Interface Module to enable HART
pass-through.
• HART Acquisition
PAC8000 HART I/O Modules can directly
address smart instruments and provide
HART process and status information
directly to the host. This enables
the implementation of a number of
advanced techniques such as live
re-calibration of the 4-20 mA loop by
continually comparing it to the original
digitized measurement from
the transmitter.
• Upgrading Legacy System
Installations
The Modbus TCP/IP Ethernet BIM
shares the same hardware as the
PAC8000 Intelligent Controllers. It can
be upgraded from a BIM to a Controller
by a simple firmware download. This
feature is particularly useful in legacy
system upgrades, by following a process
such as:
– The PAC8000 Ethernet BIM and I/O is
used to gradually replace failed legacy
system I/O, acting as new remote I/O
to the legacy host – connected by
either Modbus TCP/IP over Ethernet,
or Modbus RTU over an RS485
serial link.
– Many legacy control rooms have
little free space, so users can take
advantage of the PAC8000’s harsh
and hazardous environmental
performance to mount the new I/O
remotely on the plant, close to the
field instruments, freeing up space in
the control room.
– Once the entire legacy I/O has been
replaced, the legacy host
can be removed and the control
capability of the Ethernet BIMs
enabled to instigate distributed
control on a new platform, with
no legacy issues.
• Ease of Use
A range of features provide simplified
day-to-day operation of a process
automation system:
– Only field wiring is connected to field
terminals – field power is
connected to the carrier’s
terminals, simplifying field wiring
tasks and I/O module replacement.
– I/O modules feature LEDs to assist
with fault finding in I/O modules and
field wiring.
– Field terminals and I/O modules
are keyed to each other. It is
impossible to make an unsafe
combination of terminals
and modules, or inadvertently
replace a failed module with an
incorrect replacement.
– When replacing an I/O module, the
Controller or Bus Interface Module
will automatically bring it online if it
recognizes the type as correct.
– Online download of new application
programs is possible with simplex
Controllers, and online download of
new firmware is often possible with
redundant Controllers.
• Power Supplies
12 V System Power must be
connected to each node. This can
be supplied by the AC Power Supply
8913-PS-AC or the DC Power Supply
BQ2320-9R-EX. The Ethernet BIM also
requires its own 12 V Controller Power
connection. Using 12 V for the
internal communication bus allows live
module removal from the Carriers, even
in zone 2 hazardous areas. Different 2/2
I/O Modules require different Bussed
Field Power Supplies. This power supply
is connected to the node via connectors
on the back of the I/O Carrier, and is
routed through the I/O module to the
field wiring. It will normally be necessary
to isolate this supply before removing
the module. As the name suggests,
Bussed Field Power can be bussed along
the back of the I/O Carrier to simplify
connection of the various supply
voltages a node may need. All the power
for 2/1 modules is supplied through
the Carrier, with System Power being
provided by the dedicated IS Power
Supply 8920-PS-DC.
• Addressing of I/O modules
Modules are addressed in terms
of their position, or slot, on the
Carrier. As a result, a module can be
removed and replaced by another of
the same type and the system will
resume operation, including the new
module, automatically. And since all
configuration data is stored in nonvolatile memory, the configuration is
retained even during a power cycle and
without the need for internal batteries.
• Sequence of Event Recording
The 8127-DI-SE module can time
stamp input changes for Sequence
of Events recording. This function is
supported on PAC8000 Controllers
and Ethernet BIMs.
• Integrated Control and Safety
The majority of PAC8000 I/O Modules
can be mounted on SafetyNet SIL 2
functional safety nodes, together
with SafetyNet I/O Modules and
Controllers, to implement Integrated
Control and Safety Systems. (Modules
8129-IO-DC and 8133-HI-TX are not
supported by SafetyNet).
• Engineering Tools
The configuration tool that is required
by each of the different BIM types is
given in the comparison tables.
Automation & Control Systems
5.34
www.geautomation.com
Safety and Distributed Control
SafetyNet Discrete Input/Output Module
SafetyNet Discrete Input/Output Module features:
• 8 inputs - any combination of inputs and outputs
• Certified for use in SIL 2 safety applications
• Non-arcing inputs and outputs
• Output channels rated up to 2A continuous
• Inputs for dry contact switches
• 24Vdc Bussed Field Power required from 8914-PS-AC
8811-IO-DC
Product Name 24Vdc, Non-isolated Discrete Input/Output Module
Lifecycle Status Active
Number of Channels (independently configured as inputs or outputs) 8
Inputs
ON/OFF Threshold Current 0.9mA (typ.)
O/C Voltage 24 VDC (typ.) - depends on BFP Supply
Wetting Current 1.2mA (typ.)
Minimum Pulse Width Detected 5ms
Max Input Frequency in Pulse Counting Mode (no debounce) 30Hz
Isolation (any channel to Railbus) 250 VAC
Outputs
Maximum Output Current per Channel 2A
Maximum Output Current per Module - Continuous 6A
Maximum Output Current per Module - Non-continuous
(<10 seconds)
Input Configurable Parameters
Filter Time Interval 0 to 8s (in 1ms steps)
Earth Leakage Detection Channel ON/OFF
Latch Inputs enable /disable
Latch Polarity latch on high/latch on low
Pulse Counting up transition/down transition/disable
Line Fault Detection none/open circuit/open & short circuit
Output Configurable Parameters
Output Type pulse/discrete/pattern
Pulse Width 1ms to 60s
Line Fault Detection
Resistance Measurement Accuracy
For Normally De-energized Output Open and Short-circuit Detection.
With forward biased test current
With reverse biased test current greater of: ±7% or ±(3.1%+430ohm)
Response Time
Input Signal Change to Availability on Railbus 5ms (max.)
Railbus Command to Output Change 1ms (max.)
Hazardous Area Specification
Protection Technique EEx nA nL IIC T4
Location (FM and CSA) Class 1, Div.2, Grps A,B,C,D T4
Power Supplies
System Power Supply 50mA (typ.), 70mA (max.)
Bussed Field Power Supply
All Channels Configured as Inputs 50mA (max)
Any Channels Configured as Output Currents 50mA + output load
Module key code B6
Module Width (mm) 42
Weight (g) 210
†
±(3.4%+5.3ohm) for line resistance δ 220ohm greater of: ±7% or
open line & short circuit detect /disable
±(3.1%+27∧) for line resistance >220∧, <1kohm
8A
PAC8000 SafetyNet
www.geautomation.com
Automation & Control Systems
5.35
Safety and Distributed Control
SafetyNet Analog Input Module
SafetyNet Analog Input Module features:
• 8 single ended 4-20mA input channels
• Certified for use in SIL 2 safety applications
• Non-incendive field circuits
• 2-, 3- or 4-wire transmitters
• HART pass-through, acquisition and status reporting
• 24 VDC Bussed Field Power required from 8914-PSAC
8810-HI-TX
Product Name
Lifecycle Status Active
Inputs
Number of Channels 8, single-ended
Nominal Signal Range (span) 4 to 20mA
Full Signal Range 0.25 to 24mA
Line Fault Detection:
Short Circuit Current > 23.5mA
Open Circuit Current < 0.5mA
Output Voltage (@ 20mA) 10.2V (min.)
Output Current 28mA (max.)
Accuracy (at 25°C) ± 0.1% of span
Temperature Coefficient 38 ppm/C
Resolution 16 bits
Repeatability 0.05% of span
Data format 16-bit unsigned (0-25mA = 0-65,535)
HART data format IEEE754 floating point
Isolation (any channel to Railbus) 250 VAC RMS
Isolation (between channels) none
Configurable Parameters
Alarms high, high-high, low and low-low
Alarm Deadband (hysteresis) user defined value
Input Filter Time Constant user defined value
Input Dead Zone user defined value
Drive on Fault State disabled /upscale /downscale
HART Variable and Status Reporting enable /disable
Response Time
Signal Change to Availability on Railbus:
4– 20 mA Mode 25ms (max.)
HART Mode 0.75s per channel
Hazardous Area Specification
Protection Technique EEx nA [nL] IIC T4
Location (FM and CSA
FM Non-incendive Field Wiring Parameters (each channel) Voc = 28.7V; Isc = 33mA
Gas Groups A, B Ca = 0.17µF; La = 11mH
Gas Group C Ca = 0.51µF; La = 33mH
Gas Group D Ca = 1.36µF; La = 88mH
Power Supplies
System Power Supply 50mA (typical), 70mA (max.)
Bussed Field Power Supply 350mA (2-wire TX max.), 110mA (4-wire TX max.)
Module Key Code A1
Module Width (mm) 42
Weight (g) 200
‡
) ss 1, Div.2, Grps A,B,C,D T4
For recommended and compatible Field Terminals, see Field Terminal - Specification and Selection Guide.
†
The first release of SafetyNet will not have full HART capability, contact GE for further information.
‡
CSA with non-incendive field terminal, subject to conditions in CSA certificate.)
4-20 mA Analog Input Module with HART
†
Automation & Control Systems
5.36
www.geautomation.com
Safety and Distributed Control
PAC8000 SafetyNet
HAZARDOUS AREA
ZONE 0/DIV1
SAFE AREA OR ZONE 2/
DIV2 HAZARDOUS AREA
8-channel Analog Input
8-channel Analog Input, 4-20 mA with HART features:
• 8 single-ended input channels
• Intrinsically safe field circuits
• Conventional 4–20 mA
• HART pass-through
• HART variable and status reporting
• For 2-wire transmitters
4-20mA
HHC
Channel 1 of 8
#
Railbus
• In-built power supply
8201-HI-IS
Product Name 8-channel Analog Input, 4-20 mA with HART
Lifecycle Status Active
Inputs
Number of Channels 8
Nominal Signal Range (span) 4 to 20 mA
Full Signal Range 0.5 to 22 mA
Line Fault Detection
Voltage to Transmitter @ 20mA 15 V (min.)
Accuracy (@25 °C) ± 20 µA
Resolution 16 bits
Temperature Stability (-40 °C to +70 °C) – ± 0.006% of span per °C
Isolation
Configurable Parameters
Alarms High, high-high, low, low-low
Alarm Deadband (hysteresis) User defined value
Input Filter Time Constant User defined value
Input Dead Zone User defined value
Drive on Failsafe User defined value
Channel Status Active / Inactive
HART Comms Enable / Disable
Response Time
Analog Signal Change to Availability on Railbus
Safety
Field Wiring Protection [EEx ia] IIC
Safety Description (each channel) U
FM Entity Parameters V
Power Supplies
IS Railbus (12V) Current (all channels @ 22 mA) 600 mA (typ.)
Power Dissipation Within Module 4.2 W (max.)
Module Key Code A1
Module width (mm) 42
Weight (g) 260
Field Terminals – Field Wiring Type
Intrinsically Safe Standard 8621-FT-IS
Intrinsically Safe Loop Disconnect 8622-FT-IS
Short circuit current – >21.5 mA;
Open circuit current – <0.5 mA
Any channel to Railbus – 60 VAC
Between channels in same module – None
4–20 mA mode – 33 ms (max.)
HART mode – 0.75 s per channel
= 28 V, Io = 93 mA, Po = 0.65 W
o
≤ 28 VDC, Isc ≤ 93 mA, Ca ≤ 0.14 µF, La ≤ 4.38 mH
oc
www.geautomation.com
Automation & Control Systems
5.37
Safety and Distributed Control
PAC8000 2/2 4-20 mA Analog Input Modules
2/2 4–20 mA Analog Input modules measure the current in a 4–20 mA field instrument loop and
report the value read on each channel. The 4-20 mA analog input modules have eight channels.
When the current is measured outside the 4-20 mA range, the module detects this and reports
open and short circuit line faults.
Analog input modules “with HART” can obtain information from HART instruments of protocol
revision 5.0 or later. Each channel can communicate with a single HART instrument. HART universal
command 3 is used to access data on up to 4 dynamic variables and status from each instrument.
This provides more process information to the control system from each device. Compensating
for A/D and D/A errors and comparing the value reported by the module with the original
measurement taken by the field instrument can result in greater accuracy. In addition, HART passthrough may be used for device configuration, calibration and advanced diagnostics by remote
asset management packages.
8101-HI-TX 8103-AI-TX
Product Name 8-channel AI, 4-20 mA with HART 8-channel AI, 4-20 mA
Lifecycle Status Active Active
Module Type Analog Input Analog Input
Range 4 to 20 mA 4 to 20 mA
Bussed Field Power
Transmitter Type 2 or 4 wire 2 or 4 wire
Full Signal Range 1-23 mA 1-23 mA
Output Current 32 mA max. 32 mA max.
Failsafe Mode Low, high or hold last value Low, high or hold last value
LED Indicators
Alarms Hi Hi, Hi, Lo, Lo Lo Hi Hi, Hi, Lo, Lo Lo
Alarm Deadband User-Defined User-Defined
Line Fault Detection
Resolution 16-bit unsigned 16-bit unsigned
Accuracy (% of span) ±0.1% ±0.1%
Repeatability 0.05% of span 0.05% of span
Response Time
Channel to Channel Isolation No No
Dead Zone User-Defined; Zero Default User-Defined; Zero Default
HART Data IEEE754 floating point N/A
Filtering Configurable Configurable
Field Circuits Non-incendive Non-incendive
System Power (12 V) 100 mA typ., 150 mA max. 100 mA typ., 150 mA max.
Module Key Code A1 A1
Module Width (mm) 42 42
Module Weight (g) 200 200
Compatible Field Terminals
General Purpose Wiring
Non-incendive Wiring
Common PAC8000 Specifications See Section xx for System Specifications See Section xx for System Specifications
24 VDC ±10%
300 mA (2-wire), 60 mA (4-wire)
Power, Fault
8 x Channel Status
Open (<0.5 mA)
Short (>23.5 mA)
27 ms max. (mA mode)
0.75 s per channel (Hart mode)
8602-FT-ST (2-wire)
8604-FT-FU (2-wire)
8615-FT-FU (4-wire)
8601-FT-ST (2-wire)
8603-FT-FU (2-wire)
8615-FT-4W (4-wire)
24 VDC ±10%
300 mA (2-wire), 60 mA (4-wire)
Power, Fault
8 x Channel Status
Open (<0.5 mA)
Short (>23.5 mA)
27 ms max.
8602-FT-ST (2-wire)
8604-FT-FU (2-wire)
8615-FT-FU (4-wire)
8601-FT-ST (2-wire)
8603-FT-FU (2-wire)
8615-FT-4W (4-wire)
Automation & Control Systems
5.38
www.geautomation.com
Safety and Distributed Control
PAC8000 SafetyNet
HAZARDOUS AREA
ZONE 0/DIV1
250/500 R
SAFE AREA OR ZONE 2/
DIV2 HAZARDOUS AREA
8-channel Analog Input
8-channel Analog Input, 0-10V/potentiometer input features:
• 8 single-ended input channels
0/4 - 20
mA
0 - 10V
DC
Channel 1 of 8
#
Railbus
• Intrinsically safe field circuits
• Conventional 4–20 mA
• HART pass-through
• HART variable and status reporting
• For 2-wire transmitters
• In-built power supply
8230-AI-IS
Product Name 8-channel Analog Input, 0-10V/potentiometer input
Lifecycle Status Active
Inputs
Number of Channels 8, single-ended
Nominal signal range (span) – 0 to 10 V
0 –10V Input Characteristics
Nominal signal range (span) – 0 to 100% of travel
Potentiometer Input Characteristics
Accuracy (at 25 °C) ± 0.1% of span
Isolation
Configurable Parameters
Input Type (per channel) Voltage / Potentiometer
Alarms High and low
Alarm Deadband (hysteresis) User defined value
Input Filter Time Constant User defined value
Input Dead Zone User defined value
Drive on Open Circuit Disabled / upscale / downscale
Channel Status Active / Inactive
Lead Compensation User defined value
Response Time
Signal Change to Availability on Railbus 33 ms (max.)
Open Circuit Line Fault Detection Time ≤ 5 s
Safety
Field Wiring Protection [EExia] IIC
Safety Description (each channel non linear output) U
FM Entity Parameters V
Power Supplies
IS Railbus (12V) current
Power Dissipation Within Module
Module Key Code C4
Module Width (mm) 42
Weight (g) 200
Field Terminals – Field Wiring Type
Intrinsically Safe, Standard 8623-FT-IS
Excitation voltage (nom.) – 10 V (from 2.2 kΩ source)
Full signal range – 0 to +11 V
Resolution – 16 bits
Input impedance – >100 kΩ
Under-range indication – -100 mV
Potentiometer resistance – 100Ω to 10 kΩ
Resolution ( ≥1kΩ potentiometer ) – 14 bits
Resolution (100Ω potentiometer ) – 11 bits
Any channel to Railbus – 100 VAC
Between channels – None
≤ 15.75 V, Io ≤ 20 mA, Po ≤ 0.315 W
o
= 15.75 V, Isc = 20 mA, Ca = 0.22 µF, La = 5 mH
oc
Typical – 200 mA
Max with voltage/current inputs – 250 mA
Max. with 100Ω potentiometer inputs – 350 mA
Max with voltage/current inputs – 3 W
Max. with 100Ω potentiometer inputs – 4.2 W
www.geautomation.com
Automation & Control Systems
5.39
Safety and Distributed Control
HAZARDOUS AREA
ZONE 0/DIV1
SAFE AREA OR ZONE 2/
DIV2 HAZARDOUS AREA
8-channel Analog Input
8-channel Analog Input, Thermocouple and mV features:
• 8 input channels
#
Channel 1 of 8
mV
CJ
Railbus
• Intrinsically safe field circuits
• Thermocouple and mV
• Cold junction compensation (internal or remote)
• Built-in thermocouple linearization
• Channels independently configurable
• Open-circuit field wiring detection
Product Name 8-channel Analog Input, Thermocouple and mV
Lifecycle Status Active
Inputs
Number of Channels 8
B,E,J,K,N,R,S or T to EN 60584-1: 1995;
THC Inputs
Russian K and Russian L to rOCT 3044-84
User definable linearization table, Note 1
Temperature Drift < ± 0.003% of span/°C
Cold Junction Compensation Error
†
< ± 1°C (– 40 to + 70°C)
Accuracy (% of Span)
Ambient Temperature
mV inputs:
25° C
+10 to +40° C
-40 to +70° C
Resolution 16 bits
Common Mode Rejection >87 dB @ 50/60 Hz
Series Mode Rejection >50 dB @ 50/60 Hz
Common Mode Voltage Between Channels ± 5 V (max.)
Absolute Maximum Input Voltage ± 30 V
Isolation (any channel to Railbus) 60 V peak
Configurable Parameters
Sensor Type User selectable
Alarms High and low
Input Dead Zone User defined value
Selectable Input Filtering Off / 2 reading avgerage / running avgerage
Drive on Open Circuit Fault Disabled / upscale / downscale
Channel Status Active / Inactive
Cold Junction Compensation Enable / disable / channel number
Response Time
Analog Signal Change to Availability on Railbus 600 ms (max.)
Safety
Field Wiring Protection [EEx ia] IIC
Channels 1, 2, 3, 4, 7 and 8, wired as separate
IS circuits – U
Safety Description (each channel)
Channels 5 and 6, wired as separate IS circuits – U
= 1.1 mA, Po = 0.3 mW (Input terminals are
I
o
equivalent to non-energy storing apparatus)
Channels 1, 2, 3, 4, 7 and 8, wired as separate IS circuits – V
FM Entity Parameters
Channels 5 and 6, wired as separate IS circuits – U
Power Supplies
IS Railbus (12V) Current 120 mA (max.)
Power Dissipation Within Module 1.5 W (max.)
Module Key Code C1
Module Width (mm) 42
Weight (g) 245
Field Terminals – Field Wiring Type
Intrinsically Safe THC 8625-FT-IS
Notes:
Consult GE for support in BIM/configurator.
†
Cold junction compensation located in recommended field terminal.
8205-TI-IS
W3 and W5 to ASTM E 988-96
THC inputs:
± 0.05%
± 0.08%
± 0.18%
= 16.4 V, Io = 79 mA, Po = 0.33 W
o
= 63.7 mA, Po = 131mW
I
sc
P
o
± 0.05%
± 0.1%
± 0.3%
= 0.25 mW
= 1 V, Io = 1 mA,
o
= 1 V,
o
oc
= 16.4 V,
Automation & Control Systems
5.40
www.geautomation.com
Loading...