SMC Networks Sentry 5000-32-IT User manual

Document Revision: B2
T12021
Sentry IT Fire & Gas Protection
Sentry 5000-32-IT Controller Instruction Manual
APPLICABILITY & EFFECTIVITY
Effective for all systems manufactured after May 2019.

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©2019 Sierra Monitor. All rights reserved.
Manual Number: T12021
This manual contains intellectual property that was developed by Sierra Monitor Corporation and
is protected by the copyright laws of the United States, international copyright treaties, and all
other applicable national laws. This manual contains information regarding technology that is
protected under one or more issued or pending United States and foreign patents.
Sierra Monitor and Sentry IT are trademarks of Sierra Monitor Corporation. All other trademarks
are the property of their respective owners.
This manual is licensed to users of Sierra Monitor products and may be copied, in whole or in
part.
The offices of Sierra Monitor are located at:
Sierra Monitor Corporation
1991 Tarob Court
Milpitas, CA 95035
USA
Customer Service:
Telephone: [phone]
Fax: [phone]
Toll-Free: [phone]
Email: [e-mail]
Website: www.sierramonitor.com

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TABLE OF CONTENTS
1INTRODUCTION............................................................................................................................6
1.1 General...........................................................................................................................................6
1.2 Controller Framework (Platform)....................................................................................................6
1.3 Configurable Hardware Modules (Stacks)......................................................................................6
1.4 Programmable Features.................................................................................................................7
1.5 Gas Detection System....................................................................................................................7
1.6 Power Requirements......................................................................................................................7
2PRODUCT DESCRIPTION ............................................................................................................8
2.1 Controller Platform..........................................................................................................................8
2.1.1 Enclosure and Front Panel......................................................................................................8
2.1.2 Internal Components...............................................................................................................9
2.2 Stacks.............................................................................................................................................9
2.2.1 Carrier Board.........................................................................................................................10
2.3 Interface Boards ...........................................................................................................................11
2.3.1 Modbus..................................................................................................................................11
2.3.2 Analog Input ..........................................................................................................................12
2.3.3 PSG.......................................................................................................................................13
2.3.4 Digital Input............................................................................................................................14
2.3.5 Analog Output........................................................................................................................15
2.3.6 Digital Output.........................................................................................................................16
2.3.7 Assembled Stack...................................................................................................................17
2.4 Configured System.......................................................................................................................18
2.5 Controller Model Numbers............................................................................................................19
2.6 Software........................................................................................................................................20
2.6.1 Graphical User Interface (GUI)..............................................................................................20
2.6.2 Single Board Computer (SBC)..............................................................................................20
2.6.3 Commander Logic.................................................................................................................20
2.7 Sentry InSite Appliance ................................................................................................................21
2.7.1 Connecting to the Sentry InSite Appliance ProtoNode .........................................................21
2.7.1.1 Changing the Subnet of the Connected PC...................................................................22
2.7.1.2 Changing the IP Address of the ProtoNode with FieldServer Toolbox..........................22
3SAFTEY NOTES..........................................................................................................................24
3.1 Introduction...................................................................................................................................24
3.2 Controller ......................................................................................................................................24
3.3 Wiring............................................................................................................................................24
3.4 Sensor Modules –General...........................................................................................................25
3.5 Combustible Sensor Modules.......................................................................................................25
4INSTALLATION ...........................................................................................................................26
4.1 Site Planning.................................................................................................................................26
4.2 Controller Location........................................................................................................................26
4.3 Controller Mounting ......................................................................................................................26
4.4 Wiring............................................................................................................................................27
4.4.1 Stack Connections ................................................................................................................27
4.4.2 Power Connections ...............................................................................................................35
5COMMISSIONING........................................................................................................................36
5.1 Overview.......................................................................................................................................36
5.2 Power Up......................................................................................................................................36
5.2.1 Confirm Sensor Module Operation........................................................................................36
5.3 Discover Sensors..........................................................................................................................36
5.3.1 Troubleshooting Missed Modules..........................................................................................36
5.4 Configure Modules........................................................................................................................37
5.4.1 Modbus..................................................................................................................................37
5.4.2 Analog ...................................................................................................................................37
5.4.3 PSG.......................................................................................................................................37
5.5 Configure Controller......................................................................................................................38

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5.6 Functional Test.............................................................................................................................38
5.6.1 GUI Display Options..............................................................................................................38
5.6.2 Sentry InSite™ ......................................................................................................................38
5.7 Controller Testing and Commissioning.........................................................................................39
6COMMANDER LOGIC.................................................................................................................40
6.1 Overview.......................................................................................................................................40
6.2 Process Blocks.............................................................................................................................40
6.3 Managing Commander Logic Files...............................................................................................40
7SENTRY INSITE...........................................................................................................................41
7.1 Overview.......................................................................................................................................41
7.2 Security.........................................................................................................................................41
7.3 Network Settings...........................................................................................................................42
7.4 Screens.........................................................................................................................................43
7.5 Edit Tag Names............................................................................................................................44
8OPERATION –USER INTERFACE.............................................................................................45
8.1 Front Panel Detail.........................................................................................................................45
8.1.1 Touch Panel (6).....................................................................................................................45
8.1.2 Indicators (1, 2, 3, 4) .............................................................................................................45
8.1.3 Reset Switch (5)....................................................................................................................45
8.1.4 Door Latch (7)........................................................................................................................45
8.2 Operator Interface Screens ..........................................................................................................46
8.3 Navigation.....................................................................................................................................47
8.4 Home Page Selection...................................................................................................................48
8.5 Mode Pages..................................................................................................................................49
8.6 Alarm Management ......................................................................................................................50
8.6.1 Alarm Reset...........................................................................................................................50
8.6.2 View Current Alarms .............................................................................................................51
8.6.3 View Current Warnings .........................................................................................................52
8.6.4 View Module Trouble.............................................................................................................53
8.7 Calibration Management ..............................................................................................................55
8.7.1 Remote Calibration................................................................................................................56
8.7.2 GlobalCal All..........................................................................................................................57
8.7.3 GlobalCal Gas Type..............................................................................................................59
8.7.4 GlobalCal Select Modules.....................................................................................................60
8.7.5 GlobalCal Select Zone ..........................................................................................................61
8.8 Access Management....................................................................................................................61
8.9 History Management.....................................................................................................................62
8.10 System Management................................................................................................................63
8.10.1 Configuration.........................................................................................................................64
8.10.1.1 Set Date & Time.............................................................................................................65
8.10.1.2 Set Controller ID.............................................................................................................66
8.10.1.3 Set Password.................................................................................................................67
8.10.1.4 Log In .............................................................................................................................67
8.10.1.5 Log Out...........................................................................................................................68
8.10.1.6 Timeout ..........................................................................................................................68
8.10.1.7 Set Module.....................................................................................................................68
8.10.1.8 Commander Logic..........................................................................................................70
8.10.1.9 Set Display Defaults.......................................................................................................71
8.10.1.10 Manage Module Map ....................................................................................................72
8.10.2 Maintenance..........................................................................................................................77
8.11 Module Summary......................................................................................................................78
8.12 About System............................................................................................................................80
9SPECIFICATIONS........................................................................................................................81
10 LIMITED 2 YEAR WARRANTY ...................................................................................................82

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LIST OF FIGURES
Figure 1: Controller/Platform External View..................................................................................................8
Figure 2: Controller/Platform Internal View...................................................................................................9
Figure 3: Carrier Board ...............................................................................................................................10
Figure 4: Modbus Interface Board ..............................................................................................................11
Figure 5: Analog Input Interface Board.......................................................................................................12
Figure 6: PSG Sentry Bus Interface Board.................................................................................................13
Figure 7: Digital Input Interface Board ........................................................................................................14
Figure 8: Analog Output Interface Board....................................................................................................15
Figure 9: Digital Output Board.....................................................................................................................16
Figure 10: Assembled Stack (Digital Output)..............................................................................................17
Figure 11: Simplified System Overview ......................................................................................................18
Figure 12: Commander Logic Variables .....................................................................................................20
Figure 13: Ethernet Port Location...............................................................................................................21
Figure 14: Sentry IT Controller External & Mounting Dimensions..............................................................27
Figure 15: Analog Input Wiring....................................................................................................................28
Figure 16: PSG (Sentry Classic) Wiring......................................................................................................29
Figure 17: Modbus Wiring...........................................................................................................................30
Figure 18: Top Board Relay (Digital Output) Wiring ...................................................................................31
Figure 19: Analog Output Wiring.................................................................................................................32
Figure 20: Digital Input Wiring.....................................................................................................................33
Figure 21: Bottom Board Relay Wiring .......................................................................................................34
Figure 22: AC Power Connections..............................................................................................................35
Figure 23: DC Power Connections .............................................................................................................35
Figure 24: Data Detail by Communications Method ...................................................................................37
Figure 25: GUI Display Options ..................................................................................................................38
Figure 26: Sentry InSite Network Settings Page.........................................................................................42
Figure 27: Sentry InSite Quick View Screen...............................................................................................43
Figure 28: Sentry InSite Module Details Page............................................................................................44
Figure 29: Sentry InSite Module Details Edit Parameter ............................................................................44
Figure 30: Controller Front Panel Detail .....................................................................................................45
Figure 31: Operator Interface Screen Layout .............................................................................................46
Figure 32: Top Level Menu Structure .........................................................................................................49
Figure 33: Alarm Conditions........................................................................................................................54
Figure 34: Specifications.............................................................................................................................81

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1INTRODUCTION
1.1 General
The Sentry 5000-32-IT Controller (“Controller”) is the primary component of a gas detection system. The
Controller design combines a framework of essential components with an assortment of configurable
hardware modules selected during the system design phase to meet the specific application
requirements.
1.2 Controller Framework (Platform)
The following components provide the platform for Controller configurations:
•Enclosure
•Power Supply
•Single Board Computer (SBC)
•Touch Panel Computer (TPC) Graphical Interface
•DIN rails for mounting three Configurable Hardware Modules
1.3 Configurable Hardware Modules (Stacks)
The following components are selected based on application requirements to complete individual
Controller designs.
•Modbus Stack
The Modbus Stack is comprised of a bottom board containing eight programmable relay outputs
and a top board providing wiring points for two Modbus RTU RS-485 channels for sensor module
connection. Maximum of sixteen modules per loop.
•Analog Input Stack
The Analog Input Stack is comprised of a bottom board containing eight programmable relay
outputs and a top board providing wiring points for sixteen 4-20mA inputs for sensor module
connection.
•PSG Stack
The PSG Stack is the classic Sentry communication bus. It is comprised of a bottom board
containing eight programmable relay outputs and a top board providing wiring points for 2 loops
of eight PSG multiplex channels for sensor module connection. PSG is a proprietary SMC sensor
module protocol.
•Digital Input Stack
The Digital Input Stack is comprised of a bottom board containing eight programmable relay
outputs and a top board providing wiring points for eight dry contact inputs.
•Analog Output Stack
The Analog Output Stack is comprised of a bottom board containing eight programmable relay
outputs and a top board providing wiring points for sixteen 4-20 mA output connections.
•Digital Output Stack
The Digital Output Stack is comprised of a bottom board containing eight programmable relay
outputs and a top board providing wiring points for an additional eight high capacity Form C
Relays.

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1.4 Programmable Features
Controllers are supplied with the following programmable features:
•Auto Discovery of connected sensor modules
•User configurable module tags, alarm levels and calibration settings
•Commander Logic used to enable control algorithms combining input values and states and
managing relay output states
•Modbus RTU output for interface
•Sentry InSite Webserver
1.5 Gas Detection System
The Controller is always used in conjunction with gas detection sensor modules and is generally
connected to alarm annunciation devices and environment control devices such as exhaust fans. The
Controller may also be connected to facility control systems or control rooms. These external connections
are not covered by this manual except as necessary to define the Controller connection or functionality.
In large facilities it is possible that gas detection systems include multiple Controllers that may not be
identical to each other. For purposes of this manual each Controller should be considered unique.
1.6 Power Requirements
The Controller requires 24 VDC at 12 Amps for a fully loaded (maximum 32 modules connected) gas
detection system. The following considerations should be noted:
•The Controller has an integral AC/DC power supply that allows primary 120/240 VAC power
•The Controller allows direct 24 VDC connection from a plant supply or battery backed UPS
•The VDC source will provide power for the connected sensor modules
•Power for ancillary connected devices such as alarm indicators must be supplied separately

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2PRODUCT DESCRIPTION
2.1 Controller Platform
This section describes the Platform for a painted steel wall mount enclosure. Optional Platform designs,
such as rack mount versions contain the same components, but the components may be located in
different positions.
2.1.1 Enclosure and Front Panel
Figure 1 shows the wall mounted enclosure with Front Panel components installed.
The front panel incorporates status indicators for Alarm (red), Warning (amber), Safe (green) and Trouble
(blue), a Touch Panel Computer (TPC) graphical interface screen, a Reset Button and a Door Lock.
Figure 1: Controller/Platform External View

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2.1.2 Internal Components
Figure 2 shows the internal components of the Controller Platform.
The Controller Platform components include:
(1) Internal view of TPC display
(2) Internal view of door lock
(3) Cover panel containing single board computer (SBC) with communication port adapter board
(4) ProtoNode communications gateway (or Sentry InSite Appliance) for multi-protocol and InSite
interface
(5) AC/DC Power Supply –not required for controllers using DC power source
(6) Optional accessory is mounted on the DIN rail
(7) Power connections and fuses
(8) Gland Plate (floor of unit)
2.2 Stacks
Stack Assembly selection during the system design phase differentiates Controller configurations. This
section introduces the stack concepts and identifies typical Controller configurations. Each Stack is an
assembly of two printed circuit boards where the bottom board is a Carrier Board containing eight relays
and the top board varies by the application requirement.
Figure 2: Controller/Platform Internal View
2
1
3
4
5
6
7
8

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2.2.1 Carrier Board
The Carrier Board (Figure 3) is assembled in a DIN carrier that snaps into the DIN rail in the Platform.
The function of the Carrier is to provide communications connections between all Stacks and the SBC. In
addition, the Carrier Board has:
(1) Eight SPDT relays that are fully programmable via the Controller Commander logic
(2) Eight removable connectors for the relay wiring
(3) A rotary switch for setting the Stack address –generally using the addresses 1, 2, and 3;
conforming to the 3 stack capacity in the standard Platform
(4) Sockets for connection of any available Interface board
LED’s:
(A) Factory Test
(B) Factory Test
(C) Run Heat Beat
(D) Trouble
(E) Tx Stack Coms
(F) Rx Stack Coms
(G) +3V Power
Figure 3: Carrier Board
A
B
C
D
E
F
G

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2.3 Interface Boards
An Interface Board plugs into the Carrier Board to complete a Stack. The type of Interface Board is
determined during the Controller configuration process and includes:
•Modbus –Section 2.3.1
•Analog Input –Section 2.3.2
•PSG Input –Section 2.3.3
•Digital Input –Section 2.3.4
•Analog Output –Section 2.3.5
•Digital Output –Section 2.3.6
•Eight removable connectors for the relay wiring
2.3.1 Modbus
The Modbus Interface Board (Figure 4) provides two separate RS-485 loops identified as Loop A and
Loop B. The board plugs into a Carrier Board to complete a Modbus Stack.
The function of the Modbus board is to provide connectivity for two loops of sensor modules. The board
includes:
(1) Factory installed ribbon cable for serial data pass through to the SBC
(2) Field connection for Loop A RS485 Modbus connections
(3) Field connection for Loop B RS485 Modbus connections
(4) Field connection for Trouble Relay
(5) Factory installed wire and ribbon cable connections for power and inter-stack communication
(6) Termination Resistors for RS485; 120 Ω impedance matching for long wire runs
Each loop connector has five positions to provide 24 VDC power and shielded bi-directional Modbus
protocol communications for up to 16 sensor modules. Sensor modules have node-id selector switches
that must be set for addresses 1 through 16 on each loop.
The Modbus Stack is always installed in stack position 1 in the controller and has a stack address of 1. A
maximum of one Modbus Stack is allowed per controller. The Modbus Board also provides a
programmable SPDT Relay intended for use as a local Trouble Relay.
Figure 4: Modbus Interface Board
6
6

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2.3.2 Analog Input
The Analog Input Interface Board (Figure 5) provides sixteen separate 4-20 mA inputs in two rows
identified as JP1 though JP16. The board plugs into a Carrier Board to complete an Analog Input Stack.
The function of the Analog Input board is to provide connectivity for up to sixteen 4-20 mA loops. The
board receives the analog signal inputs and converts them to digital data communicating with the SBC.
The board includes:
(1) Individual field connections for analog sensor power and signal
(2) Individual jumpers to select 2, 3 or 4 wire operation
(3) Field connection for Trouble Relay
(4) Factory installed wire and ribbon cable connections for power and inter-stack and SBC
communication
Each analog loop connector has four positions to provide 24VDC power and isolated 4-20 mA signal
wiring. A terminal jumper located behind each connector is factory installed for two or three wire loop
connection and can be moved to a four wire position.
Analog Stacks can be installed in any stack position in the controller and must configured for the
corresponding stack position number on the Carrier Card rotary switch. A maximum of two Analog Input
Stacks are allowed per controller. The Analog Board also provides also provides a programmable SPDT
Relay intended for use as a local Trouble Relay.
Figure 5: Analog Input Interface Board

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2.3.3 PSG
The PSG Interface Board (Figure 6) provides two loops of inputs for Sentry proprietary PSG multi-drop
communications protocol. Each of the loops identified as Loop A and Loop B supports up to eight gas
detection modules. The board plugs into a Carrier Board to complete a PSG Input Stack.
The primary use of the PSG board is to support existing infrastructure where three conductor wiring is
installed. The three conductors may have previously supported analog 4-20 mA modules or early version
SMC gas detection modules.
Sensor modules connected using the three wire PSG connection are multi-drop and can be connected on
common wiring using up to eight addresses on each of the two loops. The board polls sensor modules
using PSG protocol and converts data into the common serial protocol for communicating with the SBC.
The board includes:
(1) Sentry Loop A eight field connectors to support PSG addresses A1 through A8
(2) Sentry Loop B eight field connectors to support PSG addresses B1 through B8
(3) Factory installed wire and ribbon cable connections for power and inter-stack and SBC
communication
(4) Run LEDs
PSG Stacks can be installed in any stack position in the controller and must configured for the
corresponding stack position number on both the Carrier Card rotary switch and the PSG Card rotary
switch. A maximum of two PSG Stacks are allowed per 32 channel controller. The PSG Board also
provides a programmable SPDT Relay intended for use as a local Trouble Relay.
Figure 6: PSG Sentry Bus Interface Board
3
1
2
4
4
4
4
4
4
4
4

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2.3.4 Digital Input
The Digital Input Board (Figure 7) provides connections for up to eight dry contact switch inputs. The two
position connectors are identified as DI-1 through DI8. The board plugs into a Carrier Board to complete a
Digital Input Stack.
The Digital Input board enables the user to connect the outputs from foreign devices including switches or
alarm only gas monitors. Digital inputs require an end of line 4.7K resistor for supervised monitoring.
The board polls the status of the inputs and converts data into the common serial protocol for
communicating with the SBC. The Digital Input status can be used in Sentry Commander logic relay
management algorithms. The board includes:
(1) Eight Digital Input field connectors to support addresses DI-1 through DI-8
(2) Factory installed ribbon cable connection for power, inter-stack and SBC communication
Digital Input Stacks can be installed in any stack position in the controller, generally the Stack 2 or Stack
3 position. A maximum of two Digital Input Stacks are allowed per standard channel controller.
NOTE: Digital Inputs must be conventional initiation type devices with dry contacts and must be
located in the same room.
Figure 7: Digital Input Interface Board

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2.3.5 Analog Output
The Analog Output Board (Figure 8) provides connections for up to sixteen two wire 4-20 mA outputs.
The two position connectors are identified as AO1 through AO16. The board plugs into a Carrier Board to
complete an Analog Output Stack.
The Analog Output board enables the user to retransmit analog values derived from sensor inputs. The
outputs are always 4-20mA scaled to match the full range of the sensor module input. Values to be output
via the Analog Output board are derived by Commander Logic.
The board includes:
(1) Analog Output field connectors (16) to support addresses AO-1 through AO-16; support 800 Ω
max
(2) Factory installed ribbon cable connection for power, inter-stack and SBC communication
Analog Output Stacks can be installed in any stack position in the controller, generally the Stack 2 or
Stack 3. A maximum of two Analog Output Stacks are allowed per standard channel controller.
Figure 8: Analog Output Interface Board

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2.3.6 Digital Output
The Digital Output Board (Figure 9) provides connections for eight replaceable 8 amp relays. The three
position field connectors are located immediately below the socketed relay cubes. The cubes are labeled
as Relay 1 through Relay 8.
Because there are already eight fixed 5 amp relays on every stack the Digital Output board is useful for
either expanding the total number of relays in the controller or providing control relays for higher power
field devices. All the standard relays and the Digital Output control relays are programmable via Sentry
Commander logic processing. The board includes:
(1) Eight Digital Output field connectors to support addresses Relay1 through Relay 8
(2) Socketed, replaceable 8 amp relays corresponding to the field connectors
(3) Factory installed ribbon cable connection for power and inter-stack and SBC communication
Digital Output Stacks can be installed in any stack position in the controller, generally as Stack 2 or Stack
3. A maximum of two Digital Output Stacks are allowed per standard channel controller.
Figure 9: Digital Output Board

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2.3.7 Assembled Stack
A completed stack is comprised of a Carrier Board and an Interface Board. Figure 10 provides an
example of a stack where the Digital Output card has been installed onto the Carrier.
All Stack identifiers in Commander Logic begin with the Stack address followed by the field connection
number. When a Digital Output stack is supplied, meaning that there are two sets of relays it is important
to understand that the relay numbering begins on the Carrier Card and then continues on the Interface
Card. The (example) stack includes:
(1) Carrier Card with address switch visible
(2) Digital Output Card with replaceable relays visible/accessible
(3) Eight field connectors to support relay addresses 1 through 8
(4) Eight field connectors to support relay addresses 9 through 16
(5) Factory installed wire and ribbon cable connections for power and inter-stack and SBC
communication
A maximum of three Stacks are allowed per standard channel controller.
NOTE: Digital In the preceding description the maximum number of Interface Board Stacks is
limited by the description of the Controller cabinet space. The Controller software is
designed to allow higher numbers of stacks that may be designed into custom controllers.
1
1
1
2
5
4
3
Figure 10: Assembled Stack (Digital Output)

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2.4 Configured System
The Controller Platform and selected Stacks are assembled to complete the controller hardware.
Although many combinations are possible Figure 11 describes how a set of Stacks connect and
communicate with the SBC and the TPC display. As indicated in the drawing the sensor module
numbering varies by communication method.
Figure 11: Simplified System Overview

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2.5 Controller Model Numbers
Controller model numbers are constructed as follows:
5000-
XX-
XX-
IT-
X-
#1
#2
#3
#4
XXX-
X-
SENSOR MODULE CAPACITY
8 Channel
08
16 Channel
16
32 Channel
32
IT
ENCLOSURE TYPE
NEMA 1 Enclosure (3 stacks max)
1
NEMA 4 SS Enclosure (3 stacks max)
2
NEMA 4X GRP Enclosure (4 stacks max)
3
RACK Chassis (6 stacks max)
4
5383-00 Retrofit Kit (2 stacks max)
5
5383-00 Classic Sentry NEMA4X Enclosure (2 stacks max)
6
CUSTOM Enclosure (Consult Factory)
9
STACK CONFIGURATION
Analog Input (16 inputs)
1
1
N/A
N/A
PSG (16 inputs)
2
2
N/A
N/A
Modbus RTU (32 inputs)
3
N/A
N/A
N/A
Relay (8A) (8 relays)
N/A
4
4
4
Analog Output (16 outputs)
N/A
5
5
5
Digital Input (8 inputs)
N/A
6
6
6
POWER SELECTION
110/220VAC, 60Hz, 32ch, 16ch, 8ch
A32
24VDC Regulated with 12 Amp Supply
D00
24VDC w/ 8Hr BBU
D08
FIELDSERVER OUTPUTS
Sentry InSite with Modbus TCP/IP and Allen Bradley EtherNet/IP
0
Sentry InSite Advanced Graphic (Consult Factory)
1
Sentry InSite Wireless with Wi-Fi
5
Sentry InSite Wireless with Cellular & Wi-Fi
6
Integrated Bridge with Custom InSite (Consult Factory)
9
Typical Controller constructed models:
5000-32-1-3000-A32-0 –32 Channel Modbus Controller w/ 8 Relay Outputs
5000-32-1-3600-A32-0 –32 Channel Modbus Controller w/ 8 Digital Inputs and 8 Relay Outputs
5000-32-1-3460-A32-0 –32 Channel Modbus Controller w/ 8 Digital Inputs and 24 Relay Outputs
5000-32-1-1000-A32-0 –32 Channel Analog 4-20 mA Controller w/ 8 Relay Outputs
5000-32-1-1600-A32-0 –32 Channel Analog 4-20 mA Controller w/ 8 Digital Inputs & 8 Relay Outputs
5000-32-1-1460-A32-0 –32 Channel Analog 4-20 mA Controller w/ 8 Digital Inputs & 24 Relay Outputs

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2.6 Software
In addition to embedded operating system software the user should be aware of the following software
modules.
2.6.1 Graphical User Interface (GUI)
All normal operator functions are enabled through the GUI software that runs on the TPC display. All on-
screen functions are driven by software in the TPC and all required data is automatically retrieved, as
required, from the data base residing in the SBC. This separation of code allows the controller to continue
safe operation in the event of a TPC display failure.
2.6.2 Single Board Computer (SBC)
The critical operating software that manages all stack, sensor module communication, and TPC data
interface runs on the SBC. Functions such as auto discovery of modules, continuous polling of sensors
and alarm initiation are automatically executed by the SBC code. TPC requests for data are processed for
response at the time of the request. The SBC provides a Modbus slave interface useful for connection to
Sierra Monitor FieldServer products or directly to third party communication devices.
2.6.3 Commander Logic
A very powerful software component of the controller is the Commander Logic. Simple process blocks, as
listed in Figure 12, can be established to process multi-point data resulting in logical relay states and
analog output values.
Variable
Description
Block Function
Process Block function such as a Flag, Relay or Lamp
Tag Name
Name of the Function Block
Function
Logic function OR, NOR, AND
On Setpoint
Value at which the block should change logical state
Change
Amount of change required to log an input’s value
Off Setpoint
Value at which the block should return to normal logical state
Invert Output
Instruction to invert the state of the logic block
On Delay
Delay time between the logical and physical change of state
Off Delay
Delay time between the logical and physical return to normal state
Min Runtime
Minimum time that the block must remain in the “out of normal” state
Latch Hi
Requires manual reset input to clear the logical state
Rising
Determines if the value normally rises or falls into the “out of normal” state
Display Mode
A process block result can be displayed on the controller TPC
Source
Up to 48 source values can be identified as variables for the process block
Figure 12: Commander Logic Variables