AMC AMC-DTR Installation And Operation Instructions Manual Download Page 35

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AMC-DTR Sensor Transmitter User Manual

2007

2008

2009

Read/Write Coils:

Alarm Ack/Reset

12001

Note:

After writing a TRUE to this register, it resets back to FALSE automatically.

Read Only Registers:

A2D Raw Chan 1

31001

A2D Raw Chan 2

31002

10 bit value representing the A2D value of 0 to 1023 after calibration constants are applied.

D2A Raw Chan 1

31003

D2A Raw Chan 2

31004

10 bit value representing the D2A value of 0 to 1023 for -25 to 105 %FS (197=0% &
1003=100%).

Chan 1 Status

31005

Chan 2 Status

31006

(16 bit status words; bit assignment for each channel)

ALARM1_BELOW

BIT0

ALARM2_BELOW

BIT1

ALARM3_BELOW

BIT2

ALARM1_LATCH

BIT3

ALARM2_LATCH

BIT4

ALARM3_LATCH

BIT5

ALARM3_ACTIVE

BIT6

CHANNEL_DISABLED

BIT7

CHANNEL_CAL

BIT8

CHANNEL_LINEARIZE

BIT9

FAULT_RELAY_LATCH

BIT10

DISPLAY_NEGATIVE

BIT11

Alarm Status Word

31007

(16 bit status word; bit assignment for system status)

CH1_ALM1

BIT0

CH1_ALM2

BIT1

CH1_FAULT

BIT2

CH2_ALAM1

BIT4

CH2_ALM2

BIT5

CH2_FAULT

BIT6

K1_STASUS

BIT8

K2_STATUS

BIT9

K3_STATUS

BIT10

Transmitter Status Word

31008

(16 bit status word; bit assignment for system status)

CHAN_1_ACTIVE

BIT0

CHAN_2_ACTIVE

BIT1

SECURE_LEVEL

BIT2

K1_FAILSAFE

BIT12

K2_FAILSAFE

BIT13

K2_ACK

BIT14

LOCK

BIT15

Summary of Contents for AMC-DTR

Page 1: ...ting instructions completely and carefully before starting Filename Manual_amc DTR ver 2 5 doc Copyright July 18 2011 AMC The Armstrong Monitoring Corporation 215 Colonnade Road South Ottawa Ontario C...

Page 2: ...AMC DTR Sensor Transmitter User Manual...

Page 3: ...tallation with Smart Simple Sensor Definition 11 4 9 1 Electrochemical Sensor Wiring to the DTR 10 0232 Display 12 4 9 2 Catalytic Bead Sensor Wiring to the DTR 10 0233 I O Power Supply 13 4 9 3 Remot...

Page 4: ...nfiguration Menus 22 7 4 Alarm Settings 23 7 4 1 Relay Configuration if equipped 24 7 5 Sensor Information 25 7 6 CLOCK DELAY Setup 26 7 7 LCD Contrast Adj 26 7 8 HELP Screen 26 7 9 Diagnostics 26 7 1...

Page 5: ...5 5777 1 2 LIABILITY All AMC products must be installed and maintained according to instructions Only qualified personnel should install and maintain the equipment AMC shall have no liability arising...

Page 6: ...7 or through contacts at www armstrongmonitoring com or through email directly at support armstrongmonitoring com 1 5 MODIFICATIONS AND SUBSTITUTIONS Due to an ongoing development program AMC reserves...

Page 7: ...er Power Supply Requirement 10 to 30 VDC Sensor Part Number Sensor Serial Number Optional Sensor Part Number Optional Sensor Serial Number 2 2 Factory Settings Sensor 1 Sensor 2 Gas Type Range Zero Ga...

Page 8: ...use the AMC DTR if its enclosure is damaged or cracked or has missing components Make sure the cover internal PCB s and field wiring are securely in place before operation Use only a sensor assembly c...

Page 9: ...rson without opening the enclosure A standard real time clock calendar feature allows data logging of calibrations and alarm events for recall to the LCD readout or over the serial port A separate PC...

Page 10: ...92 0 01 Part 1 for Toxic Monitors 4 3 Sensor Location Factors such as air movement gas density in relation to air emission sources and environmental variables affect correct sensor location Air moveme...

Page 11: ...enclosure as shown in Figure 2 Figure 3 shows dimensions with the dual local sensor Y included ALL DIMENSIONS IN INCHES 0 276 Dia 2 Places 3 4 NPT Hub 2 Places SENSOR HOUSING 4 96 5 00 4 94 Figure 2 A...

Page 12: ...I O Power Supply board generates voltages needed for LCD backlight relays RS 485 ModBus and catalytic bead LEL sensor and is required with any of these I O functions The enclosure is equipped with tw...

Page 13: ...is always normally energized for failsafe operation so loss of power to the AMC DTR will be indicated as a FAULT condition Relay 3 is always non latching CAUTION Relays are rated for RESISTIVE loads I...

Page 14: ...ce must supply the loop power in 2 wire 4 20mA modes Be sure the receiver to be used supports this type of operation Instructions Unscrew the cover on the AMC DTR explosion proof enclosure Loosen the...

Page 15: ...t signals See Figure 6 below Instructions Unscrew the cover on the AMC DTR explosion proof enclosure Loosen the 2 thumbscrews holding the display assembly in place and remove it A small ribbon cable i...

Page 16: ...l wires External wiring to TB3 Remote Alarm Reset should be shielded and protected from noise spikes to prevent false Alarm Reset Figure 7 DTR 10 0234 Alarm Relays Modbus Option Instructions Unscrew t...

Page 17: ...DTR 10 0250 Option Description The optional DTR 10 0250 Isolated 4 20mA option Figure 9 provides dual 4 20mA outputs that are electrically isolated from sensor inputs and the 24 VDC power source Each...

Page 18: ...l and catalytic bead smart sensors both plug into the Smart Sensor Housing that connects to AMC DTR electronics with its 8 conductor Smart Sensor Interface cable CAUTION Smart sensor housing with elec...

Page 19: ...Connect the simple electrochemical sensor to TB2 on the DTR 10 0232 Display board Note the colour of the wires for proper installation Or connect the smart electrochemical sensor to S1 the DTR 10 023...

Page 20: ...the simple catalytic bead sensor to TB1 on the DTR 10 0233 I O Power Supply board Note the colour of the wires for proper installation Or connect the smart catalytic bead sensor to S1 the DTR 10 0233...

Page 21: ...Shown For DTR 10 0233 power supply boards that have been modified to accept a 4 20mA input use the following wiring diagram for connection information For AMC 2 wire transmitters connect Transmitters...

Page 22: ...ly Sensor Volts Digital Pot Balance Adjust Digital Pot Bridge Amplifier Simple Catalytic Bead LEL Sensor Reference Active Smart Catalytic Bead LEL Sensor Memory Device Smart Sensor Serial Interface Vd...

Page 23: ...EL Monitor Start Up AMC DTR LEL Monitors are factory equipped with a local Simple or Smart Catalytic Bead LEL sensor which rarely require adjustments other than routine calibrations to provide accurat...

Page 24: ...ctive sensor Remember that this is only a coarse check and precision calibrations are performed in Routine Sensor Calibrations described in the following section 6 1 5 3 Initial Toxic Oxygen Monitor S...

Page 25: ...during calibration Local AMC DTR alarm relays if equipped are inhibited during CAL MODE CAL MODE automatically exits if no keystrokes are detected after 5 minutes Follow these AMC DTR calibration gui...

Page 26: ...d The CAL MODE information screen top of the chart is available for advanced users to see Offset Gain calibration constants and live analog to digital converter A D counts Span Gas calibration values...

Page 27: ...n operator ACKNOWLEDGE pressing the UP RESET key 6 2 1 ALARM 3 Understanding Fault Level Operation The A3 alarm is typically dedicated to FAULT conditions indicating sensor failures or out of measurem...

Page 28: ...user s particular application AMC DTR menus may be configured from the magnetic keypad in 5 10 minutes per transmitter For installations consisting of numerous points an interface device is offered to...

Page 29: ...0 Re a d o u t De a d b a n d 0 T r a c k Ne g a t i v e NO L i n e a r i z a t i o n D a t a B a c k u p Co n f i g Re s t o r e Co n f i g or Up l o a d S e n s o r Da t a UP DOWN S Y S T E M CONF...

Page 30: ...ides 100 output To prevent accidental data entry a special keystroke sequence of 4 consecutive UP keys are required to enter this menu E n t e r K e y S e q u e n c e t o a c c e s s me n u NE X T k e...

Page 31: ...t of range Dead Band has a minimum value of 1 and a maximum value of 10 It is useful for preventing alarm cycling when the monitored value is hovering around the set point EXAMPLE With a range of 0 10...

Page 32: ...f 2 2 C A L D a t e 0 4 0 5 0 4 U P D OWN t o s c r o l l N E X T t o E X I T I N S T A L L N E W S E N S OR Hi s t o r i c a l C A L d a t a Wi l l b e D e l e t e d E D I T t o A c c e p t N E X T...

Page 33: ...25 shows the menu for these items C L OCK DE L A Y S E T UP T i me 12 3 5 4 2 Da t e 0 4 2 2 0 4 Wa r m U p S e c 12 0 Ca l P u r g e S e c 10 0 Figure 25 Clock Calendar Delay Timer Menu 7 7 LCD Contr...

Page 34: ...p u t 4 0 mA E D I T t o c h a n g e N e x t t o e x i t EDIT A C T I V A T E RE L A Y S R e l a y 1 OF F R e l a y 2 OF F R e l a y 3 OF F Figure 27 Diagnostics Menus 7 10 RS 485 MODBUS Setup The RS...

Page 35: ...Chan 2 Status 31006 4 NA 16 bit status words bit assignment for each channel ALARM1_BELOW BIT0 ALARM2_BELOW BIT1 ALARM3_BELOW BIT2 ALARM1_LATCH BIT3 ALARM2_LATCH BIT4 ALARM3_LATCH BIT5 ALARM3_ACTIVE...

Page 36: ...g units read as bytes Byte Variables PreAmp Gain Ch1 40433 3 NA PreAmp Gain Ch2 40434 3 NA 2 bytes representing Pre Amp HiByte and PGA LoByte settings Firmware Version Version 40435 40436 3 NA 4 ASCII...

Page 37: ...X 41042 4 NA Chan 1 D2A MIN 41043 4 NA Chan 1 D2A MAX 41044 4 NA Chan 2 A2D MIN 41045 4 NA Chan 2 A2D MAX 41046 4 NA Chan 2 D2A MIN 41047 4 NA Chan 2 D2A MAX 41048 4 NA Min and Max calibration points...

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