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The Armstrong Monitoring Corporation AMC-400 Series, User Manual

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The Armstrong Monitoring Corporation AMC-400 Series User Manual Download Page 24

AMC-400 Series Digital Transmitter with Smart Sensor 2 

20  

GND VDD V+

Unit 1

Unit 2

RS485 A 

RS485 B

CGND

SIG GND

-

+

1. See AMC-1DBX Digital Monitor Wiring Details

CONNECTOR

DIGITAL MONITOR AMC-1DB1-XXXXX

MAIN PCB BOARD

+

+

+

+

+

+

+

+

J4

4

1

J12

1

J25

1

J27

1

J43

R4

7

R4

8

C9

1

C7

0

C6

2

C9

6

C6

9

C5

6

C7

1

C6

7

C9

4

C7

3

C9

5

C7

7

C9

3

C9

7

C7

8

C6

8

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

SW2

+

+

J39

J40

1

J2

3

1

J1
7

1

J1
5

1

J1
4

1

J1
3

1

J1
8

1

J2
0

1

J2
2

1

J2
1

1

J1
9

1

J1
6

1

1

1

1

1

1

J2
4

J4

1

J28

J31

J34

J33

J29

J30

J42

J35

J36

J32

J37

J38

R9

9

R9

7

R9

8

R9

6

R1

0

0

C7

9

C

129

C

121

C

120

C2

1

C1

8

C3

7

C6

0

C6

5

C3

0

C1

0

C5

9

C

100

C

154

C8

C1

4

5

C1

3

0

C2

0

C1

0

4

C9

8

C4

2

C4

3

C6

6

C5

8

F1

R

149

R

150

R

151

R2

4

R3

R2

R3

2

R

148

R1

2

1

R1

1

9

R1

1

8

R

129

R1

4

1

R

127

R1

3

0

R

128

R

113

R

136

R

112

R

124

R1

6

7

R3

3

R3

1

R1

4

R1

5

R1

7

R1

6

R3

9

R4

4

R8

7

R8

6

R8

5

R8

4

R8

3

R8

0

R4

3

R1

5

7

R1

3

9

R

137

R3

7

R7

6

R

158

R

159

R1

6

0

R

161

BT
-H

1

K

A

J2

6

J17

9

J17

8

J17

7

J1

75

J17

6

SW12

SW14

SW11

SW13

R8

2

R8

1

B

A

TTE

R

Y

 FOR

ON

1

2

3

4

5

6

7

8

SPEED /

 CO
LL

ISI

O

N

LINK ST

AT

US

BA

S

MO

DB

US

1

MO

DB

US

2

MO

DB

US

3

MO

DB

US

4

SH

IEL

D

SH

IEL

D

SH

IEL

D

SH

IEL

D

SH

IEL

D

TE

RM

TE

RM

TER

M

TER

M

TER

M

R

EAL

 T

IME C

LO

C

K

TO RELAYS 1 TO 4

TO RELAYS 5 TO 8

TO RELAYS 9 TO 12

TO RELAYS 13 TO 16

TO B

U

ZZE

R

SYST

EM F

A

IL

ANA1

ANA2

ANA3

ANA4

TO BAS

TO MODBUS1

TO MODBUS2

TO MODBUS3

TO MODBUS4

4x ANALOG

OUTPUT

2x AUDIO

OUTPUT

CGND

RS485 A

RS485 B

SGND +24VDC

CGND

RS485 A

RS485 B

SGND +24VDC

1

5

3

1

3

2

4

6

2

4

DISPLAY

J37

J34

 

Figure 4-3 Example of connections to a 120VAC AMC-1DB1-1XXXXX Digital Monitor 

Summary of Contents for AMC-400 Series

Page 1: ...etely and carefully before starting Filename 3476405D doc Revised June 12 2017 Copyright Aug 31 2016 AMC The Armstrong Monitoring Corporation 215 Colonnade Road South Ottawa Ontario Canada K2E 7K3 Tel...

Page 2: ...AMC 400 Series Digital Transmitter with Smart Sensor 2 ii...

Page 3: ...ICS 15 3 6 1 CONTAMINANTS 15 3 6 2 CROSS SENSITIVITY 15 3 6 3 MAXIMUM RANGE 16 3 6 4 ALARM RECOMMENDATIONS 16 4 INSTALLATION 17 4 1 LOCATION AND MOUNTING 17 4 1 1 ENCLOSURE MOUNTING AND ORIENTATION 18...

Page 4: ...Lid View 10 Figure 3 2 Rear Lid View 11 Figure 3 3 Smart Sensor 2 Module with Electrochemical Sensor View 13 Figure 3 4 Smart Sensor 2 Module with Catalytic Sensor View 14 Figure 4 1 Enclosure Mounti...

Page 5: ...all 1 800 465 5777 or through contacts at www armstrongmonitoring com 1 2 LIABILITY All AMC products must be installed and maintained according to instructions Only qualified personnel should install...

Page 6: ...ansmitter with Smart Sensor 2 2 1 5 MODIFICATIONS AND SUBSTITUTIONS Due to an ongoing development program AMC reserves the right to substitute components and change specifications at any time without...

Page 7: ...ixture expressed as a percentage of total volume RS 485 Superseded with EIA 485 or TIA 485 This standard defines the electrical characteristics of drivers and receivers for use in balanced digital mul...

Page 8: ...o a complete AMC 400 unit including the Smart Sensor 2 module Smart Sensor 2 Module SS2 This refers to a Smart Sensor 2 Card with one of the following sensor mounted CO NO2 CH4 C3H8 H2 AMC 1DA RPT4 an...

Page 9: ...ion Only qualified personnel should install and maintain the equipment For exchange re calibration or extended warranty programs information please call 1 800 465 5777 or through contacts at www armst...

Page 10: ...Range 0 100ppm Zero Buffering of Display 5ppm Calibration Kit Part Number AMC C1 FK1 See note Default Calibration Gas 100ppm CO Gas Flow Rate 5L min Gas Type CARBON MONOXIDE CO HC Smart Sensor 2 Modul...

Page 11: ...o Buffering of Display 0 8ppm Calibration Kit Part Number AMC C1 FK2 See note Default Calibration Gas 3 ppm NO2 Gas Flow Rate 5L min Gas Type Methane CH4 Smart Sensor 2 Module Order Number AMC 60JAF O...

Page 12: ...e note Default Calibration Gas 50 LEL C3H8 Gas Flow Rate 5L min Gas Type Hydrogen H2 Smart Sensor 2 Module Order Number AMC 62JAF Operating Temperature 20 to 40 C Sensor Height Place 18 20 32 cm down...

Page 13: ...entation of the gas concentration detected A digital representation of the gas concentration is displayed which may be configured to remain blank Each AMC 400 Digital Transmitter is factory calibrated...

Page 14: ...ays gas concentration Status information 3 Digit User Interface for configuration 3 Transmitter Status LED Red Green LED Indicates status of Transmitter 4 Smart Sensor 2 Status LED Red Green LED Indic...

Page 15: ...Mounting Standoffs Sensor connects to SS2 male connector Figure 3 2 Rear Lid View Note When connecting the Smart Sensor 2 module assure its male header pins are aligned to mate the receptacle of the D...

Page 16: ...by service technicians only It is the digital transmitter rectified unregulated power input and meet the range specified in 2 1 1 AMC 400 DIGITAL TRANSMITTER SPECIFICATION 12 SS2 Female Connector This...

Page 17: ...Smart Sensor 2 Module with Electrochemical Sensor View 16 SS2 Male Connector This 7 pin connector mates with the Digital Transmitter female connector This connector carries the power and communication...

Page 18: ...ormally 1 8 Volts DC VREF 22 SIG Test Point This Sig Test Point is to be used by service technicians only with appropriate instrumentation such as a voltmeter It is the potentiostat sensor output used...

Page 19: ...such as a voltmeter It is the amplified sensor output as seen by the analog to digital converter Under normal operation zero gas situation it tracks the 1 8 0 4 Volts DC VREF When a combustible gas i...

Page 20: ...nsufficient oxygen to catalyze all of the combustible gas the output may decrease and indicate a concentration of less than 100 LEL causing an ambiguity in the instrument reading 3 6 4 ALARM RECOMMEND...

Page 21: ...source of electro magnetic interference EMI or radio frequency interference RFI such as power transformers electric motors etc Equipment must be positioned such that the chance of water damage is mini...

Page 22: ...uctor and 23pf ft conductor to shield For best signal transmission and maximum noise rejection it is recommended to connect the cable shields to chassis ground at the monitor The shield is wired to th...

Page 23: ...here are no short or open circuits in the sensor cabling Verify that the communication cabling is voltage free prior to connecting the cabling to either the AMC 400 Digital Transmitter or the monitor...

Page 24: ...C58 F1 R149 R150 R151 R24 R3 R2 R32 R148 R121 R119 R118 R129 R141 R127 R130 R128 R113 R136 R112 R124 R167 R33 R31 R14 R15 R17 R16 R39 R44 R87 R86 R85 R84 R83 R80 R43 R157 R139 R137 R37 R76 R158 R159...

Page 25: ...MC 1DBx is situated in the middle of the RS485 bus the termination on the AMC 1DBx Digital Monitor is not applied and termination is applied to both AMC 400 Digital Transmitters at each end of the RS4...

Page 26: ...he AMC 1DPS 7A 24VDC Power Supply will provide 5A for the transmitters and other MODBUS devices If this current is exceeded an additional AMC 1DPS 7A Power Supply should be employed The AMC 1DPS 7A Po...

Page 27: ...D BU S3 MOD BU S4 SH IELD SH IELD SH IELD SH IELD SH IELD TE RM TE RM TE RM TE RM TE RM REAL TIME CLOCK TO RELAYS 1 TO 4 TO RELAYS 5 TO 8 TO RELAYS 9 TO 12 TO RELAYS 13 TO 16 TO BUZZER SYSTEM FAIL ANA...

Page 28: ...Do not use SIG GND at Digital Transmitter for powering The total cable length for a bus segment should not exceed 1000 M 3280 ft without the use of repeaters Please refer to MODBUS OVER SERIAL LINE SP...

Page 29: ...tails 5 1 2 TRANSMITTER AND SMART SENSOR 2 The AMC 400 Digital Transmitter is factory calibrated for the gas listed in the Product Information Section 2 at the beginning of this manual The unit should...

Page 30: ...n period the transmitter will send accurate gas concentration MODBUS packets to the monitor or controller Although the electrochemical sensors are very selective there are some interference gases whic...

Page 31: ...n example the pushbutton must be pressed and held for at least 2 seconds to enter configuration The display will indicate SEL when user has held the pushbutton long enough to enter the configuration m...

Page 32: ...ote AMC 400 Digital Transmitter LED will appear to blink slow green even though it is not being accessed by a monitor This is the case when MODBUS address is not properly configured Use 5 3 4 GAS TEST...

Page 33: ...sists 5 1 4 TROUBLESHOOTING MODBUS USING THE TRANSMITTER STATUS LED The Transmitter Status LED indirectly provides a MODBUS monitor function Using this LED in conjunction with other transmitters can h...

Page 34: ...xit Blinking Red for 10seconds every minute of Slow Blinking Green Smart Sensor 2 module requires services either calibration or other service DT display will complement this with CAL and or SEr indic...

Page 35: ...Digital Transmitter configuration is divided into 6 areas MODBUS Configuration Smart Sensor 2 Configuration Digital Transmitter Configuration Zero Calibration Span Calibration Service Modes 1 To ente...

Page 36: ...croll through to d01 push and hold for 2seconds and release to enable LCD blanking LCD will blank after 1 minute of pushbutton inactivity pressing the pushbutton restores display Alternatively scroll...

Page 37: ...edure due to user abort or procedure limit checking leaves the unit with unstable calibration information It is important to complete a successful SPAN procedure for unit to function properly Caution...

Page 38: ...nt required TOOL SCREWDRVR SLOT ESD 1 5MM Wiha 27215 Calibration kit and Cal Gas please refer to Section 2 1 2 5 3 3 CALIBRATION PROCEDURE The AMC 400 Digital Transmitter is equipped with a calibratio...

Page 39: ...ensor increasing or decreasing respectively Also the LCD will display the sensor voltage when the gas concentration is not changing The measurement phase contains a minimum and maximum gassing period...

Page 40: ...12 At this point the span calibration title SC will be re displayed for retry or exit Push and hold 2seconds and release to exit Scroll through to the CF exit point with short presses Push and hold 2...

Page 41: ...operation Service Mode 2 A To enter Service Mode 2 enter Configuration from normal operation mode by push and holding pushbutton for 2seconds and then releasing The configuration title CF will be dis...

Page 42: ...2seconds SEL and release to inhibit this SEr display action In operation mode the Digital Transmitter display will no longer show SEr until the next calibration schedule at which time both CAL and SE...

Page 43: ...plications As mentioned Armstrong Monitoring Corporation offers a number of different maintenance plans to suit your requirements Please see CONTACT INFORMATION section 6 3 SMART SENSOR 2 MODULE REPLA...

Page 44: ...iguration DEFAULT ACTION 1 minute in any state defaults Exit Menu A02 ENTER SMART SENSOR SETUP BACKBUS 2s Do Smbus Setup bb 2s Do Zero Calibration 0C 2s A05 ENTER SPAN CALIBRATION 2s Do Span Calibrati...

Page 45: ...ONS 2 SECOND NEXT 2 SECOND SEL SELECT Digital Transmitter Zero or Span Calibration Menu DEFAULT ACTION 1 minute in any state defaults Exit Menu Last Successful gas Concentration Enter New Gas Concentr...

Page 46: ...Hardware Version Revision Display Version 1 Rev C 2seconds ___ Hardware Dot Revision Display ___ 2seconds Ini Unit Initialization 2seconds 888 Unit Self Test 1seconds Na Sensor Not Available yet Waiti...

Page 47: ...ront Bus Menu PB A01 Scroll to next Choice SEL A02 Back Bus Setup Choice Select Back Bus Configuration PB bb Back Bus Title Scroll to Choices SEL b01 SMBUS Address Choice Select SMBUS Address Configur...

Page 48: ...B d08 Enable normal SEr Choice Scroll to Next Choice SEL du DT Title Exit Digital Transmitter Menu PB A03 DT Setup Choice Scroll to next Choice SEL A04 ZERO Calibration Choice Select ZERO Calibration...

Page 49: ...tle Scroll to Enter Gas Concentration SEL 100 Default or Last Gas Concentration Select to edit 1st position Gas SEL _ 0 Select 2nd position PB _00 Change 2nd position PB 110 Change 2nd position PB 120...

Page 50: ...xit to Span Gas Menu PB A05 SPAN Calibration Choice Scroll to next Choice SEL A06 SERVICE Setup Choice Select SERVICE Option PB SE SERVICE Title Scroll to Choices SEL SE1 Service Mode1 Choice Select S...

Page 51: ...1 unit present Sensor gas Sensor Gas Concentration Running Display Unit will force gas concentration to monitor without gassing PB or SEL or 10minutes Exit Service Mode2 Exit Service Mode PB SE2 Servi...

Page 52: ...Status Register 2 o A hex value not equal to 00xx indicate not available or not ready o A value of 0x008F indicates transmitter is okay at 9600baud with no analog output available Read Gas Number Devi...

Page 53: ...These fields are displayed on the LCD during power up 1 1 Read Transmitter Status Mode a 16bit number made up of two 8 bit fields representing transmitter status and modes Instrument Status Bits 15 8...

Page 54: ...2 gas updated from Smart Sensor 2 at registration Offset is reserved for a monitor based calibration procedure 2 Not Supported 6 7 1 Read 3 Float Calibration Data1 a reserved 32bit float number for a...

Page 55: ...1 Read 3 Float Output Span a reserved 32bit float number for Transmitter output span 2 Not Supported 24 25 1 Read 3 Float Output Value a reserved 32bit float number for Transmitter output value 2 Not...

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