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MODEL SC170

TWO-WIRE “SMART”

SIGNAL CONDITIONER

INSTALLATION AND OPERATION MANUAL

Содержание SC170

Страница 1: ...MART TWO WIRE SMART TWO WIRE SMART SIGNAL CONDITIONER SIGNAL CONDITIONER SIGNAL CONDITIONER SIGNAL CONDITIONER SIGNAL CONDITIONER INSTALLATION AND OPERATION MANUAL INSTALLATION AND OPERATION MANUAL IN...

Страница 2: ...3 Input Terminals 8 3 0 SIGNAL CONDITIONER OPERATION 9 3 1 In a Hurry 9 3 1 1 Factory Configuration 10 3 1 2 Analog Operating Mode 10 3 1 3 Operation With a Display 11 4 0 CONFIGURATION USING THE TWO...

Страница 3: ...an be set up with a smart local display the LD 2 and a two key keyboard the KB 2 These accessories facilitate local configuration and ranging of the signal conditioner In operation the local LCD displ...

Страница 4: ...Department at 508 541 9400 Upon receipt of shipment inspect the container for any signs of damage in transit Especially take note of any evidence of rough handling Report any apparent damage immediat...

Страница 5: ...ations 90 apart In addition special captive 6 32 machine screws are installed on the signal conditioner to facilitate installation and removal These captive screws are installed only if the signal con...

Страница 6: ...DYNISCO SC170 Manual 4 4 4 4 4 4 4 4 4 4 Fig 2 4 Din Rail Kit Fig 2 2 XP HDGC2 L Fig 2 3 XP HDC2 L...

Страница 7: ...Mounting A stainless steel bracket the PB 2 is available for mounting the weatherproof housing onto any 2 pipe in any of four operations The housing is attached to the bracket as shown in Figure 2 5 F...

Страница 8: ...nated as SET 1 and SET 2 in conjunction with terminal 7 as common are used for setup configuration and trim purposes The SET 1 and the SET 2 terminals are marked as such and are located near the upper...

Страница 9: ...lated using the formula Vs 12 Rs 0 023 The following chart gives maximum series resistance 2 3 2 Case Ground Terminal 8 provides a connection to the metal enclosure of the signal conditioner For safet...

Страница 10: ...liampere Input Apply signal to 6 and 7 Fig 2 8 Typical Connection for Milliampere Input 2 3 3 2 DC Millivolt Input Apply signal to 5 and 7 Fig 2 9 Typical Connection for Millivolt Input 2 3 3 3 DC Vol...

Страница 11: ...s Connect high side of the resistor to 4 one wire from the low side to 5 and the second wire from the low side to 7 Fig 2 12 Typical Connection for Slidewire Resistance 2 3 3 6 Two wire Rheostat Ohms...

Страница 12: ...age drops to 20 volts or below when a 0 1 ampere load is connected to it Always use a DC direct current supply or suitable size battery Never connect the signal conditioner directly to 115VAC With the...

Страница 13: ...of the symbols that are available Fig 3 1 Appearance of the Local Displays LD 2 In operation the top row displays the measured variable and a minus sign if applicable The number of decimal places disp...

Страница 14: ...l LCD display and the KB 2 two key keyboard are required The transmitter can also be purchased with these options already installed These inexpensive options make the reconfiguration or re ranging of...

Страница 15: ...tter to reset itself Press the key marked NEXT The display starts to alternate asking if the user wishes to enter the DISPLAY MODE Display Mode The answer would be yes therefore press the Enter key Th...

Страница 16: ...detail below and summarized on the LD 2 flowsheet found in the rear of this booklet 4 3 SELECT A SENSOR INPUT The SELECT INPUT is the first function in the sequence The display will read as follows to...

Страница 17: ...eric value seen on the upper portion of the screen is the current ZERO value of the transmitter One can now change this ZERO or LOWER RANGE VALUE LRV totally independent of the FULL SCALE or UPPER RAN...

Страница 18: ...git position repeatedly press the NEXT key until the desired numeral is reached Then press ENTER to go to the next lower significant digit position Each time the NEXT key cycles through the ten choice...

Страница 19: ...FAIL SAFE display Pressing the NEXT key will bring up the TRANSMITTER FAIL selection screen 4 6 SELECT FAIL SAFE Fail safe allows the transmitter to change the 4 20mA loop to indicate a failure condit...

Страница 20: ...e the transmitter less accurate rather than more accurate Once trimming the 4 00mA value has been selected the display will alternate as follows By pressing the NEXT key the display then alternates as...

Страница 21: ...xt key brings up the menu option If all of the set up and re ranging operations have been satisfactorily completed then pressing ENTER will return the transmitter to the normal operate mode Pressing t...

Страница 22: ...O SC170 Manual 20 20 20 20 20 20 20 20 20 20 Fig 4 1 Dynisco SC170 Configuration Flowchart LD 2 KB 2 SC170 Programmable Signal Conditioner DISPLAY Mode Configuration Setup Flowchart ENTER from KEYPAD...

Страница 23: ...m Dynisco are LD 2 Local Display XP HDC2 L Explosion Weather proof Housing No Display Option XP HDGC2 L Explosion Weather proof Housing with mounting lugs and glass window PB 2 Pipe mount bracket for...

Страница 24: ...zation can operate on the input signal OUTPUT Analog Two wire 4 to 20mA MINIMUM OUTPUT RANGE None OUTPUT RANGING ADJUSTMENTS Analog Zero 100 of sensor range non interlacing Analog full scale Normal or...

Страница 25: ...7 F 40 C to 75 C Electronics 4 F to 158 F 20 C to 70 C Display STORAGE TEMPERATURE RANGE 58 F to 185 F 50 C to 85 C AMBIENT TEMPERATURE STABILITY Self correcting over the operating temperature range L...

Страница 26: ...mA to 20mA input Configurations can be user performed Special configurations are available to suit your requirements See Price List OPTIONS LD 2 Local Displays PACKAGING The SC170 is packaged in rugge...

Страница 27: ...DYNISCO SC170 Manual 25 25 25 25 25 25 25 25 25 25 NOTES...

Страница 28: ...DYNISCO SC170 Manual 26 26 26 26 26 26 26 26 26 26 NOTES...

Страница 29: ...DYNISCO SC170 Manual SC Manual PN 974088 6 00 REV A DCN 22033 DYNISCO INSTRUMENTS 38 Forge Parkway Franklin MA 02038 Tel 508 541 9400 Fax 508 541 9436...