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MicroLogix 1200 RTD/Resistance Input Module

Publication 1762-IN014B-EN-P - July 2013

Specifications

General Specifications

Specification

Value

Dimensions, HxWxD

90 x 40 x 87 mm (3.54 x1.58 x 3.43 in.)

height including mounting tabs is 110 mm (4.33 in.)

Approximate Shipping Weight

(with carton)

260 g (0.57 lbs.)

Storage Temperature

-40…85 °C (-40…185 °F)

Operating Temperature

0…55 °C (+32…131 °F)

Operating Humidity

5…95% non-condensing

Operating Altitude

2000 m (6561 ft)

Vibration

Operating: 10…500 Hz, 5 g, 0.030 in. max. peak-to-peak

Shock

Operating: 30 g

Bus Current Draw (max.)

40 mA @ 5V DC

50 mA @ 24V DC

Heat Dissipation

1.5 Watts

Input Group to System Isolation

30V AC/30V DC rated working voltage

(1)

(N.E.C. Class 2 required)

(IEC Class 2 reinforced insulation)
type test: 500V AC or 707V DC for 1 minute

(1)

Rated working voltage is the maximum continuous voltage that can be applied at the terminals with respect to earth ground.

Module Power LED

On: indicates power is applied.

Vendor I.D. Code

Product Type Code

Product Code

Hazardous Environment Class

Class I, Division 2, Hazardous Location, Groups A, B, C, D

ISA/ANSI 12.12.01

(C-UL under CSA C22.2 No. 213)

Radiated and Conducted Emissions

EN50081-2 Class A

ESD Immunity (EN61000-4-2)

4 kV contact, 8 kV air, 4 kV indirect

Radiated Immunity (EN61000-4-3)

10 V/m, 80…1000 MHz, 80% amplitude modulation, +900 MHz
keyed carrier

Fast Transient Burst (EN61000-4-4)

2 kV, 5 kHz

Surge Immunity (EN61000-4-5)

1 kV galvanic gun

Conducted Immunity (EN61000-4-6)

10V, 0.15…80 MHz

(2)

Conducted Immunity frequency range may be 150 kHz to 30 MHz if the Radiated Immunity frequency range is 30 MHz to
1000 MHz.

Содержание MicroLogix 1200 RTD/Resistance

Страница 1: ...RTD Resistance Input Module Catalog Number 1762 IR4 Topic Page Module Overview 2 Description 2 Module Installation 3 System Assembly 4 Mounting 4 Field Wiring Connections 7 I O Memory Mapping 15 Specifications 19 North American Hazardous Location Approval 22 Additional Resources 23 ...

Страница 2: ...es their associated temperature ranges and the analog input signal ranges that each channel supports Each of the 4 input channels is individually configurable for a specific input device and provides open or short circuit and over or under range indication Description Item Description Item Description 1a upper panel mounting tab 5 bus connector cover 1b lower panel mounting tab 6 flat ribbon cable...

Страница 3: ...are International Electrotechnical Commission IEC designations ATTENTION Electrostatic discharge can damage integrated circuits or semiconductors if you touch bus connector pins Follow these guidelines when you handle the module Touch a grounded object to discharge static potential Wear an approved wrist strap grounding device Do not touch the bus connector or connector pins Do not touch circuit c...

Страница 4: ...st be fully seated and the bus connector cover must be snapped in place In Class I Division 2 applications all modules must be mounted in direct contact with each other as shown on page 5 If DIN rail mounting is used an end stop must be installed ahead of the controller and after the last 1762 I O module ATTENTION Do not remove protective debris strip until after the module and all other equipment...

Страница 5: ... EN 50 022 35 x 15 Before mounting the module on a DIN rail close the DIN rail latch Press the DIN rail mounting area of the module against the DIN rail The latch will momentarily open and lock into place TIP The 1762 expansion I O may be mounted horizontally only ATTENTION During panel or DIN rail mounting of all devices be sure that all debris metal chips wire strands etc is kept from falling in...

Страница 6: ...or 8 panhead screws per module M3 5 or 6 panhead screws may also be used but a washer may be needed to ensure a good ground contact Mounting screws are required on every module TIP For environments with extreme vibration and shock concerns use the panel mounting method described below instead of DIN rail mounting End Anchor End Anchor 90 3 54 100 3 94 40 4 1 59 40 4 1 59 14 5 0 57 For more than tw...

Страница 7: ...ns To limit noise locate RTD and resistance device signal wires as far away as possible from power lines load lines and other sources of electrical noise such as hard contact switches relays and AC motor drives Locate RTD modules away from other modules which generate a significant amount of heat Under normal conditions the drain wire and shield junction should be connected to earth ground via a p...

Страница 8: ...t the lead values match as closely as possible Keep lead resistance as small as possible and less than 25Ω Use quality cable that has a small tolerance impedance rating Use a heavy gauge lead wire which has less resistance per foot Configuration Recommended Cable 2 wire Belden 9501 or equivalent 3 wire less than 30 48 m 100ft Belden 9533 or equivalent 3 wire greater than 30 48 m 100 ft or high hum...

Страница 9: ...of a 4 wire RTD is left open 2 Wire RTD Configuration IMPORTANT Using 2 wire configurations does not permit the module to compensate for resistance error to do lead wire length The resulting analog data includes the effect of this uncompensated lead wire resistance The module continues to place the uncompensated analog data in the input data file but the open circuit status bit OCx is set in word ...

Страница 10: ...of cable as that for the RTD described on page 8 Potentiometers can be connected to the module as a 2 wire or 3 wire connection as shown on page 11 EXC 2 SENSE 2 RTN 2 NC Belden 83503 or 9533 Shielded Cable Cable Shield to Ground RTD EXC Sense RTD EXC Return Sense Return EXC 2 SENSE 2 RTN 2 NC Belden 83503 or 9533 Shielded Cable Leave one sensor wire open Cable Shield to Ground RTD EXC Return RTD ...

Страница 11: ...x is set in word 4 of the input data file for any enabled channel using a 2 wire configuration These status bits may be used in the control program to indicate that the analog data includes error due to uncompensated lead wires See page 16 for a detailed discussion of the open circuit status bits EXC 2 SENSE 2 RTN 2 NC EXC 2 SENSE 2 RTN 2 NC Cable Shield to Ground Potentiometer RTD EXC Return Cabl...

Страница 12: ...s from the module to potentiometer terminal and tie terminal to one point Cable Shield to Ground Potentiometer RTD EXC Return Sense Run RTD EXC and sense wires from the module to potentiometer terminal and tie terminal to one point TIP The potentiometer wiper arm can be connected to either the EXC or return terminal depending on whether you want increasing or decreasing resistance Belden 83503 or ...

Страница 13: ...5 in spade lug 2 Tighten the terminal screw making sure the pressure plate secures the wire Recommended torque when tightening terminal screws is 0 904 Nm 8 lb in 3 After wiring is complete remove the debris shield ATTENTION Be careful when stripping wires Wire fragments that fall into a module could cause damage when power is applied Once wiring is complete ensure the module is free of all metal ...

Страница 14: ...3 shielded cable Wire Type Wire Size Terminal Screw Torque Solid Cu 90 C 194 F 14 22 AWG 0 904 Nm 8 lb in Stranded Cu 90 C 194 F 16 22 AWG 0 904 Nm 8 lb in ATTENTION Be careful when stripping wires Wire fragments that fall into a module could cause damage at power up Once wiring is complete ensure the module is free of all metal fragments cable signal wire 3 drain wire foil shield signal wires 2 C...

Страница 15: ...pply shrink wrap Then earth ground at the preferred location based on the type of sensor you are using 4 At the other end of the cable cut the drain wire and foil shield back to the cable and apply shrink wrap 5 Connect the signal wires to the module terminal block and input 6 Repeat steps 1 through 5 for each channel on the module I O Memory Mapping Addressing The addressing scheme for 1762 Expan...

Страница 16: ...cause 0 is a valid number Ox Over range flag bits for input channels 0 3 using either RTD or resistance inputs These bits can be used in the control program for error detection Ux Under range flag bits for channels 0 3 using RTD inputs only These bits can be used in the control program for error detection Under range detection for direct resistance inputs is not indicated because 0 is a valid numb...

Страница 17: ...0 5 mA 1 Cyclic Lead Compensation Enable 0 Disable 1 Open circuit Broken Input Upscale 0 0 Downscale 0 1 Last State 1 0 Zero 1 1 Temperature Units Mode C 0 F 1 Input Sensor Type 100Ω Pt 385 0 0 0 0 200Ω Pt 385 0 0 0 1 500Ω Pt 385 0 0 1 0 1000Ω Pt 385 0 0 1 1 100Ω Pt 3916 0 1 0 0 200Ω Pt 3916 0 1 0 1 500Ω Pt 3916 0 1 1 0 1000Ω Pt 3916 0 1 1 1 10Ω Cu 426 1 0 0 0 120Ω Ni 618 1 0 0 1 120Ω Ni 672 1 0 1...

Страница 18: ...ta Format Raw Proportional 0 0 0 Engineering Units 0 0 1 Engr Units X 10 1 0 0 Scaled for PID 0 1 0 Percent Range 0 1 1 Enable Channel Enable 1 Disable 0 To Select Make these bit settings 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Cyclic Calibration Enabled 1 1 When enabled an autocalibration cycle is performed on all enabled channels every 5 minutes 0 Disabled 1 To Select Make these bit settings 15 14...

Страница 19: ...IEC Class 2 reinforced insulation type test 500V AC or 707V DC for 1 minute 1 Rated working voltage is the maximum continuous voltage that can be applied at the terminals with respect to earth ground Module Power LED On indicates power is applied Vendor I D Code 1 Product Type Code 10 Product Code 65 Hazardous Environment Class Class I Division 2 Hazardous Location Groups A B C D ISA ANSI 12 12 01...

Страница 20: ...3916 0 2 C F for Ni 0 3 C F for NiFe 0 6 C F for Cu 0 15Ω for 150Ω range 0 5Ω for 500Ω range 1 0Ω for 1000Ω range 1 5Ω for 3000Ω range 1 Accuracy is dependent upon the Analog Digital converter filter rate selection excitation current selection data format and input noise Specification 1762 IR4 Typical Accuracy Autocalibration Enabled 0 55 C 32 131 F 0 9 C F for Pt 385 0 8 C F for Pt 3916 0 4 C F f...

Страница 21: ...le to register the same reading in successive measurements for the same input signal 2 Open circuit detection time is equal to channel update time for EXC and RTN leads only Open circuit detection on SENSE input is performed during Cyclic Lead Calibration every 5 minutes and only on those channels where cyclic lead calibration is enabled Certifications Certification when product is marked 1 Value ...

Страница 22: ...ont sujettes à inspection par les autorités locales qualifiées au moment de l installation WARNING EXPLOSION HAZARD Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous Do not disconnect connections to this equipment unless power has been removed or the area is known to be nonhazardous Secure any external connections that mate to this equipment by using...

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