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ViewSmart 200/2050/2150 Controller User's Manual

Document: UM-1021

Revision Level B

Figure 3.9

3.2.1

MODBUS REGISTER AND FUNCTION CODE SUMMARY

The following table identifies ViewSmart 200 Modbus register locations and function
codes.

VARIABLE

ALIAS

READ FUNCTION CODE

WRITE FUNCTION CODE

Read/Write Coils:

Alarm Ack/Reset

2001

Note: After writing a TRUE to this register, the

ViewSmart

200 will reset it to FALSE.

Read Only Discrete:

Chan 1

Alarm 1

12001

Chan 1

Alarm 2

12002

Chan 1

Alarm 3/Flt

12003

Chan 2

Alarm 1

12004

Chan 2

Alarm 2

12005

Chan 2

Alarm 3 /Flt 12006

Relay 1

12007

Relay 2

12008

Read Only Registers:

Product ID

30001

Returns the numeric value 90 for product ID.

Firmware value

30002

Return a numeric value for firmware value as (Version X 100).

Summary of Contents for ViewSmart 200

Page 1: ...ment UM 1021 Revision Level B ViewSmart 200 2050 2150 DUAL CHANNEL CONTROLLER Built with our Proven ST 90 Dual Channel Controller Warning Read understand contents of this manual prior to operation Fai...

Page 2: ...2 2 RELAYS 5 1 2 3 AMBIENT TEMPERATURE RANGE 6 1 2 4 HUMIDITY RANGE 6 1 2 5 ALTITUDE 6 1 2 6 HOUSINGS INSTALLATION CATEGORIES 6 1 2 7 APPROVALS 6 SECTION 2 6 2 0 BASIC OPERATION 6 2 1 SETUP MENU CONF...

Page 3: ...NTERFACE PCB 10 0215 20 3 1 INPUT OUTPUT OPTIONAL PCB s 22 3 1 1 OPTIONAL ANALOG INPUT PCB 10 0221 2 22 3 1 2 OPTIONAL BRIDGE EC SENSOR INPUT BOARD 10 0216 23 3 1 3 OPTIONAL BRIDGE SENSOR INPUT BOARD...

Page 4: ...vel B 4 1 ViewSmart 200 XP NEMA 7 EXPLOSION PROOF WALL MOUNT ENCLOSURE 35 4 2 ViewSmart 200 PY NEMA 4X POLYCARBONATE WALL MOUNT ENCLOSURE 36 4 3 ViewSmart 200 PCS NEMA 4 PAINTED STEEL WALL MOUNT ENCLO...

Page 5: ...irements This equipment is suitable for use in Class I Division 2 Groups A B C and D or non hazardous locations only WARNING EXPLOSION HAZARD SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLAS...

Page 6: ...ee alarms per channel with features such as ON OFF delays latching relays and alarm Acknowledge A dedicated horn driver circuit for a local audible annunciator is also standard Two standard 5 amp alar...

Page 7: ...50 Controller User s Manual Document UM 1021 Revision Level B 3 Figure1 0 Figure1 1 1 1 DATA DISPLAY SCREENS The ViewSmart 200 Controller offers three modes for displaying monitored data Each are show...

Page 8: ...Left and Right hand arrows located at the ends of each bar graph point towards Channel Alarm LED s on the front panel associated with this reading The 10 digit ASCII fields for identifying engineering...

Page 9: ...herboard TB3 terminals 1 2 on the motherboard provide a maximum of 12 watts output power for powering of auxiliary external devices such as relays lights and monitors see Figure 3 0 Power consumed fro...

Page 10: ...cludes O Ring in door to satisfy NEMA 4 rating Includes standard non intrusive magnetic keypad 1 2 7 APPROVALS CSA C22 2 No 1010 1 and ISA S82 02 CSA C22 2 No 152 for combustibles UL 1604 C22 2 No 213...

Page 11: ...efly after power is applied that indicates what type input output options the unit is configured with 2 1 SETUP MENU CONFIGURATION Variables inside the CHANNEL see section 2 2 and SYSTEM see section 2...

Page 12: ...ViewSmart 200 2050 2150 Controller User s Manual Document UM 1021 Revision Level B 8 Figure 2 1 ViewSmart 200 Menu Tree...

Page 13: ...key moves the cursor to the next position within a field When the field is complete EDIT clears the cursor and loads the field into non volatile memory where it is retained indefinitely Without a cur...

Page 14: ...re 2 3 Figure 2 4 Set Point is entered in engineering units and determines the value where the alarm trips For example if a channel monitors 0 50 ppmH2S and the desired alarm level is 10 ppm the corre...

Page 15: ...devices driven by the AUDIBLE ALARM option connector J2 see Figure 3 1 2 2 4 CONFIGURE MENU TO DEFINE CHANNEL The channel setup menu after the alarm menus is CONFIGURE It allows setting Name and EUNIT...

Page 16: ...100ppm reading remains 100 0 Resolution may be limited further by setting decimal points to 0 where in the above example 0ppm reads 0 and 100ppm reads 100 2 2 4d TURNING OFF UNUSED CHANNELS The Channe...

Page 17: ...l Institute of Standards and Technology traceable accuracy to increase the validity of the calibration Do not use a gas cylinder beyond its expiration date Calibrate a new sensor before use Allow the...

Page 18: ...nts and live analog to digital converter A D counts Span Gas calibration values may also be edited from this screen Holding the UP key for 5 seconds during CAL MODE displays this screen Unity Gain may...

Page 19: ...oting flexibility by controlling the channel alarm combinations that will trip this common alarm relay OVR on the menu s right side stands for override and means ANY of the selected alarms will activa...

Page 20: ...not available for Relay 1 since it is often used for driving a warning light and Relay 2 for driving a horn It could be dangerous if an operator acknowledged the horn AND the light since no indication...

Page 21: ...quire varying times to stabilize after power is applied The Warm Up Delay menu item allows setting how long alarm relays remain disabled after power is applied Cal Delay determines how long alarm rela...

Page 22: ...4mA on each channel then set the Output Span DAC value for 20mA on each channel These menu items may also be used to drive 4 20mA into receiver devices without stimulating sensor inputs Input Min Max...

Page 23: ...ntered and confirmed in this menu item locks all menus Viewing menus is not denied but attempts to edit variables flashes the Locked message on the LCD Authorized individuals locking the system should...

Page 24: ...350mA available at TB3 Auxiliary Power Output terminals If AC power is unavailable or if a DC battery back up supply is needed TB1 provides terminals for DC power input Blocking diodes isolate interna...

Page 25: ...isplay Assembly TB4 J2 Terminal 24 VDC Terminal is open collector 100mA driver for use with optional 100 decibel piezo annunciator TB3 24 VDC power output for remote devices such as transmitters light...

Page 26: ...sition P1 12 bit Analog input PCB option 10 0221 2 shown in Figure 3 2 allows interfacing ViewSmart 200 s to field transmitters having 4 20mA or voltage outputs Remove socketed 100 ohm R1 or R2 termin...

Page 27: ...ViewSmart 200 normally do not require Initial Setup since it is performed at the factory The electrochemical channel has a preamplifier bridge amplifier sensor coefficient jumpers and a 2 position co...

Page 28: ...0 into a FAULT condition upon sensor failure or removal This option may also be configured to accept 4 20mA inputs for mixing a sensor and a current loop into the same board Placing either channel s 2...

Page 29: ...nals Reapply system power and confirm correct voltage across each sensor s A R terminals Note if sensor wires are long it will be necessary to measure the excitation voltage at the sensor end to compe...

Page 30: ...nd a 2 position coarse gain jumper for setting the gain of the bridge amplifier Socketed resistors R4 and R16 control the gain of the preamplifier and are installed at the factory consult factory if s...

Page 31: ...lications utilize the standard equipped Relay 1 Relay 2 see section 2 3 1 and do not require optional discrete relays for each of the 6 alarms events 2 A1 s 2 A2 s 2 A3 s All mechanical dry contact re...

Page 32: ...in Figure 3 8 may be added Each channel s output will transmit 4mA for 0 readings and 20mA for 100 readings If the ViewSmart 200 primary power is 100 240 VAC or at least 24 VDC 4 20mA outputs are capa...

Page 33: ...n the upper right corner of the ViewSmart 200 motherboard TB1 provides two pairs of T Rx terminals and a floating terminal for shield continuation This makes it easy to multi drop ViewSmart 200 s onto...

Page 34: ...ls Alarm Ack Reset 2001 1 5 Note After writing a TRUE to this register the ViewSmart 200 will reset it to FALSE Read Only Discrete Chan 1 Alarm 1 12001 2 NA Chan 1 Alarm 2 12002 2 NA Chan 1 Alarm 3 Fl...

Page 35: ...T8 System Status Word 31007 4 NA 16 bit status word bit assignment for system status PIEZO_DRIVE BIT6 HORN_ACK BIT7 K1_HORN_DRIVE BIT8 K2_HORN_DRIVE BIT9 K1_HORN_PULSE BIT10 K2_HORN_PULSE BIT11 K1_FAI...

Page 36: ...mal devisor is returned as 1 10 100 or 1000 for decimal position of 1 2 3 or 4 where 123 4 would return the value 10 Chan 1 Zero Real 41001 3 NA Chan 1 Zero Divisor 41002 3 NA Chan 1 Span Real 41003 3...

Page 37: ...OPTIONAL EXTERNAL 24VDC 50 WATT POWER SUPPLIES Some applications may require 24VDC power in excess of the 12 watts supplied by the ViewSmart 200 NEC Class 2 FIFTY WATT external supplies are available...

Page 38: ...ViewSmart 200 2050 2150 Controller User s Manual Document UM 1021 Revision Level B 34 Figure 4 0...

Page 39: ...ewSmart 200 XP NEMA 7 EXPLOSION PROOF WALL MOUNT ENCLOSURE The ViewSmart 200 XP shown in Figure 4 1 is an aluminum NEMA 7 wall mount enclosure designed for mounting into potentially hazardous 3 4 NPT...

Page 40: ...in Figure 4 2 Non metallic enclosures are not grounded by metal conduit For internal ground points to be grounded to earth the TB5 GND terminal must have a proper earth ground connection see Figure 3...

Page 41: ...Document UM 1021 Revision Level B 37 4 3 ViewSmart 200 PCS NEMA 4 PAINTED STEEL WALL MOUNT ENCLOSURE The ViewSmart 200 PCS shown in Figure 4 3 is a Painted Carbon Steel NEMA 4 wall mount enclosure des...

Page 42: ...l Document UM 1021 Revision Level B 38 4 4 ViewSmart 200 SS NEMA 4X STAINLESS STEEL WALL MOUNT ENCLOSURE The ViewSmart 200 SS shown in Figure 4 4 is a 316 Stainless Steel NEMA 4X wall mount enclosure...

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