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Table of Contents
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Description

This ICD specifies the interface between the Global Interlock System Status (GISS) and the Global Interlock System (GIS).  The GIS provides the GISS with periodic updates of interlock and limit status with respect to the safety of all facility systems.

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1756-RM003C-EN-P     Logix5000 General Instructions Reference Manual

s17561756-UM001B-EN-P   ControlLogix System User Manual

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The GIC’s communication interface module network settings will be as follows:

IP Address

10.0.6.3

ubnet

subnet Mask

255.255.255.0

Controller Tags

With a Logix5000 controller, such as the GuardLogix, you use a tag (alphanumeric name) to address data (variables). A tag is a text-based name for an area of the controller’s memory where data is stored. Tags are the basic mechanism for allocating memory, referencing data from logic, and monitoring data. Tags can either be a single data type, such as a bit, integer, floating-point value, string, and so forth or a structure that is a combination of data types. A produced tag is a tag that a controller makes available for use by other controllers. A consumed tag is a tag that receives the data of a produced tag. An array is a tag that contains a block of multiple pieces of data. An array is similar to a file. Within an array, each individual piece of data is called an element. Each element uses the same data type.

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The tag GIC_to_GISS is a UDT consisting of an array of 256 BOOLs.

Table 1

System

Tag Name

Description

GIC

GIC_to_GISS.BIT[0]

Emergency Stop OK (0=stop)

GIC

GIC_to_GISS.BIT[1]

 

GIC

GIC_to_GISS.BIT[2]

 

GIC

GIC_to_GISS.BIT[3]

Enclosure Altitude Axis Permissive is Ready

GIC

GIC_to_GISS.BIT[4]

Enclosure Azimuth Axis Permissive is Ready

GIC

GIC_to_GISS.BIT[5]

Telescope Altitude Axis Permissive is Ready

GIC

GIC_to_GISS.BIT[6]

Telescope Azimuth Axis Permissive is Ready

GIC

GIC_to_GISS.BIT[7]

Coudé Rotator Axis Permissive is Ready

GIC

GIC_to_GISS.BIT[8]

GIC Processor is in Run Mode

GIC

GIC_to_GISS.BIT[9]

Enclosure LIC Processor is in Run Mode

GIC

GIC_to_GISS.BIT[10]

Facility LIC Processor is in Run Mode

GIC

GIC_to_GISS.BIT[11]

Instrument LIC Processor is in Run Mode

GIC

GIC_to_GISS.BIT[12]

OSS LIC Processor is in Run Mode

GIC

GIC_to_GISS.BIT[13]

Coudé Rotator Processor is in Run Mode

GIC

GIC_to_GISS.BIT[14]

Telescope LIC Processor is in Run Mode

GIC

GIC_to_GISS.BIT[15]

FTS LIC Processor is in Run Mode (future)

GIC

GIC_to_GISS.BIT[16]

GIC I/O modules status (1=OK)

GIC

GIC_to_GISS.BIT[17]

Enclosure I/O modules status (1=OK)

GIC

GIC_to_GISS.BIT[18]

Facility I/O modules status (1=OK)

GIC

GIC_to_GISS.BIT[19]

Instrument I/O modules status (1=OK)

GIC

GIC_to_GISS.BIT[20]

OSS I/O modules status (1=OK)

GIC

GIC_to_GISS.BIT[21]

Coudé Rotator I/O modules status (1=OK)

GIC

GIC_to_GISS.BIT[22]

Telescope I/O modules status (1=OK)

GIC

GIC_to_GISS.BIT[23]

FTS I/O modules status (1=OK)

GIC

GIC_to_GISS.BIT[24]

Enclosure Altitude trapped key ('A') is in place

GIC

GIC_to_GISS.BIT[25]

Enclosure Azimuth trapped

key in place

keys ('A' and 'G') are in place

GIC

GIC_to_GISS.BIT[26]

Telescope Altitude trapped key ('Ga') is in place

GIC

GIC_to_GISS.BIT[27]

Telescope Azimuth trapped key is ('Fa')is in place

GIC

GIC_to_GISS.BIT[28]

Coudé Rotator enable trapped key ('Aa') is in place

GIC

GIC_to_GISS.BIT[29]

Coudé Rotator full speed trapped key ('Da') in place

GIC

GIC_to_GISS.BIT[30]

 

GIC

GIC_to_GISS.BIT[31]

 

ENC

GIC_to_GISS.BIT[32]

Enclosure Emergency Stop OK (0=stop)

ENC

GIC_to_GISS.BIT[33]

not used

ENC

GIC_to_GISS.BIT[34]

not used

ENC

GIC_to_GISS.BIT[35]

not used

ENC

GIC_to_GISS.BIT[36]

Enclosure Azimuth Cable Wrap Over Tension (future)

ENC

GIC_to_GISS.BIT[37]

Enclosure Altitude Cable Wrap Over Tension (future)

ENC

GIC_to_GISS.BIT[38]

not used

ENC

GIC_to_GISS.BIT[39]

not used

ENC

GIC_to_GISS.BIT[40]

Enclosure Azimuth Motion Stopped (1=stopped)

ENC

GIC_to_GISS.BIT[41]

Enclosure Azimuth Safely Limited Speed

ENC

GIC_to_GISS.BIT[42]

Enclosure Azimuth Negative Final Limit

ENC

GIC_to_GISS.BIT[43]

Enclosure Azimuth Positive Final Limit

ENC

GIC_to_GISS.BIT[44]

Enclosure Altitude Motion Stopped

ENC

GIC_to_GISS.BIT[45]

not used

ENC

GIC_to_GISS.BIT[46]

Enclosure Elevation Negative Final Limit

ENC

GIC_to_GISS.BIT[47]

Enclosure Elevation Positive Final Limit

ENC

GIC_to_GISS.BIT[48]

Aperture Cover Closed

ENC

GIC_to_GISS.BIT[49]

Bridge Crane Stowed

ENC

GIC_to_GISS.BIT[50]

not used

ENC

GIC_to_GISS.BIT[51]

Jib Crane Stowed

ENC

GIC_to_GISS.BIT[52]

not used

ENC

GIC_to_GISS.BIT[53]

not used

ENC

GIC_to_GISS.BIT[54]

not used

ENC

GIC_to_GISS.BIT[55]

not used

ENC

GIC_to_GISS.BIT[56]

not used

ENC

GIC_to_GISS.BIT[57]

not used

ENC

GIC_to_GISS.BIT[58]

not used

ENC

GIC_to_GISS.BIT[59]

not used

ENC

GIC_to_GISS.BIT[60]

TEOA Platform Stowed

ENC

GIC_to_GISS.BIT[61]

Enclosure Azimuth aligned lift

ENC

GIC_to_GISS.BIT[62]

Transfer Bridge Stowed

ENC

GIC_to_GISS.BIT[63]

not used

FAC

GIC_to_GISS.BIT[64]

Facility Emergency Stop OK (0=stop)

FAC

GIC_to_GISS.BIT[65]

Facility Fire Alarm OK (0=fire)

FAC

GIC_to_GISS.BIT[66]

GIC Seismic Alarm OK (0=earthquake)

FAC

GIC_to_GISS.BIT[67]

not used

FAC

GIC_to_GISS.BIT[68]

not used

FAC

GIC_to_GISS.BIT[69]

not used

FAC

GIC_to_GISS.BIT[70]

not used

FAC

GIC_to_GISS.BIT[71]

not used

FAC

GIC_to_GISS.BIT[72]

Inner Pier Hazardous Zone Locked

FAC

GIC_to_GISS.BIT[73]

Mezzanine Level Hazardous Zone Locked

FAC

GIC_to_GISS.BIT[74]

Coudé Lab Hazardous Zone Locked

FAC

GIC_to_GISS.BIT[75]

Utility Level Hazardous Zone Locked

FAC

GIC_to_GISS.BIT[76]

Catwalk Hazardous Zone Locked

FAC

GIC_to_GISS.BIT[77]

Service Ring Hazardous Zone Locked

FAC

GIC_to_GISS.BIT[78]

Enclosure Floor Hazardous Zone Locked

FAC

GIC_to_GISS.BIT[79]

Telescope Hazardous Zone Locked

FAC

GIC_to_GISS.BIT[80]

Upper Enclosure Hazardous Zone Locked

FAC

GIC_to_GISS.BIT[81]

not used

FAC

GIC_to_GISS.BIT[82]

not used

FAC

GIC_to_GISS.BIT[83]

not used

FAC

GIC_to_GISS.BIT[84]

FAC

GIC_to_GISS.BIT[85]

FAC

GIC_to_GISS.BIT[86]

not used

FAC

GIC_to_GISS.BIT[87]

not used

FAC

GIC_to_GISS.BIT[88]

Coudé Lab Crane stowed

FAC

GIC_to_GISS.BIT[89]

Coudé Lab Crane permissive

FAC

GIC_to_GISS.BIT[90]

not used

FAC

GIC_to_GISS.BIT[91]

not used

FAC

GIC_to_GISS.BIT[92]

PFlow Lift stowed

FAC

GIC_to_GISS.BIT[93]

PFlow Lift Permissive

FAC

GIC_to_GISS.BIT[94]

PFlow Roof latched closed

FAC

GIC_to_GISS.BIT[95]

not used

INST

GIC_to_GISS.BIT[96]

PA&C

INST

GIC_to_GISS.BIT[97]

 Cryo Large FOV Configured

INST

GIC_to_GISS.BIT[98]

 Cryo Small FOV Configured

INST

GIC_to_GISS.BIT[99]

 General Small FOV Configured

INST

GIC_to_GISS.BIT[100]

 VBI

INST

GIC_to_GISS.BIT[101]

 

INST

GIC_to_GISS.BIT[102]

 

INST

GIC_to_GISS.BIT[103]

 

INST

GIC_to_GISS.BIT[104]

 ViSP

INST

GIC_to_GISS.BIT[105]

 

INST

GIC_to_GISS.BIT[106]

 

INST

GIC_to_GISS.BIT[107]

 

INST

GIC_to_GISS.BIT[108]

 DL-NIRSP

INST

GIC_to_GISS.BIT[109]

 

INST

GIC_to_GISS.BIT[110]

 

INST

GIC_to_GISS.BIT[111]

 

INST

GIC_to_GISS.BIT[112]

 VTF

INST

GIC_to_GISS.BIT[113]

 

INST

GIC_to_GISS.BIT[114]

 

INST

GIC_to_GISS.BIT[115]

 

INST

GIC_to_GISS.BIT[116]

 Cryo-NIRSP

INST

GIC_to_GISS.BIT[117]

 

INST

GIC_to_GISS.BIT[118]

 

INST

GIC_to_GISS.BIT[119]

 

INST

GIC_to_GISS.BIT[120]

 WFC

INST

GIC_to_GISS.BIT[121]

 

INST

GIC_to_GISS.BIT[122]

 

INST

GIC_to_GISS.BIT[123]

 

 GOS small field-of-view is configured

INST

GIC_to_GISS.BIT[124]

 

 M9A is fully stowed

INST

GIC_to_GISS.BIT[125]

 

 M9A is fully deployed

INST

GIC_to_GISS.BIT[126]

 

 DLFM1 is fully stowed

INST

GIC_to_GISS.BIT[127]

 

 DLFM1 is fully deployed

OSS

GIC_to_GISS.BIT[128]

 

OSS

GIC_to_GISS.BIT[129]

 

OSS

GIC_to_GISS.BIT[130]

 

OSS

GIC_to_GISS.BIT[131]

 

OSS

GIC_to_GISS.BIT[132]

 

OSS

GIC_to_GISS.BIT[133]

 

OSS

GIC_to_GISS.BIT[134]

 

OSS

GIC_to_GISS.BIT[135]

 

OSS

GIC_to_GISS.BIT[136]

 

OSS

GIC_to_GISS.BIT[137]

 

OSS

GIC_to_GISS.BIT[138]

 

OSS

GIC_to_GISS.BIT[139]

 

OSS

GIC_to_GISS.BIT[140]

 

OSS

GIC_to_GISS.BIT[141]

 

OSS

GIC_to_GISS.BIT[142]

 

OSS

GIC_to_GISS.BIT[143]

 

OSS

GIC_to_GISS.BIT[144]

 

OSS

GIC_to_GISS.BIT[145]

 

OSS

GIC_to_GISS.BIT[146]

 

OSS

GIC_to_GISS.BIT[147]

 

OSS

GIC_to_GISS.BIT[148]

 

OSS

GIC_to_GISS.BIT[149]

 

OSS

GIC_to_GISS.BIT[150]

 

OSS

GIC_to_GISS.BIT[151]

 

OSS

GIC_to_GISS.BIT[152]

 

OSS

GIC_to_GISS.BIT[153]

 

OSS

GIC_to_GISS.BIT[154]

 

OSS

GIC_to_GISS.BIT[155]

 

OSS

GIC_to_GISS.BIT[156]

 

OSS

GIC_to_GISS.BIT[157]

 

OSS

GIC_to_GISS.BIT[158]

 

OSS

GIC_to_GISS.BIT[159]

 

ROT

GIC_to_GISS.BIT[160]

Emergency Stop OK (0=stop)

ROT

GIC_to_GISS.BIT[161]

not used

ROT

GIC_to_GISS.BIT[162]

not used

ROT

GIC_to_GISS.BIT[163]

not used

ROT

GIC_to_GISS.BIT[164]

not used

ROT

GIC_to_GISS.BIT[165]

not used

ROT

GIC_to_GISS.BIT[166]

not used

ROT

GIC_to_GISS.BIT[167]

not used

ROT

GIC_to_GISS.BIT[168]

Rotator Motion Stopped (1=stopped)

ROT

GIC_to_GISS.BIT[169]

Rotator

at Safe

Safely Limited Speed (0=overspeed)

ROT

GIC_to_GISS.BIT[170]

Rotator CCW Final Limit OK (0=in limit)

ROT

GIC_to_GISS.BIT[171]

Rotator CW Limit OK  (0=in limit)

ROT

GIC_to_GISS.BIT[172]

Rotator overspeed (1=overspeed)

ROT

GIC_to_GISS.BIT[173]

 

ROT

GIC_to_GISS.BIT[174]

Rotator Cable Wrap

misaligned

aligned OK (0=interlock)

ROT

GIC_to_GISS.BIT[175]

 

ROT

GIC_to_GISS.BIT[176]

 

ROT

GIC_to_GISS.BIT[177]

 

ROT

GIC_to_GISS.BIT[178]

 

ROT

GIC_to_GISS.BIT[179]

 

ROT

GIC_to_GISS.BIT[180]

 

ROT

GIC_to_GISS.BIT[181]

 

ROT

GIC_to_GISS.BIT[182]

 

ROT

GIC_to_GISS.BIT[183]

 

ROT

GIC_to_GISS.BIT[184]

 

ROT

GIC_to_GISS.BIT[185]

 

ROT

GIC_to_GISS.BIT[186]

 

ROT

GIC_to_GISS.BIT[187]

 

ROT

GIC_to_GISS.BIT[188]

 

ROT

GIC_to_GISS.BIT[189]

 

ROT

GIC_to_GISS.BIT[190]

 

ROT

GIC_to_GISS.BIT[191]

TEL

GIC_to_GISS.BIT[192]

Telescope Emergency Stop OK

TEL

GIC_to_GISS.BIT[193]

TEL

GIC_to_GISS.BIT[194]

M1 Maintenance Position Azimuth

TEL

GIC_to_GISS.BIT[195]

M1 Maintenance Position Altitude

TEL

GIC_to_GISS.BIT[196]

TEOA Maintenance Position Azimuth

TEL

GIC_to_GISS.BIT[197]

TEOA Maintenance Position Altitude

TEL

GIC_to_GISS.BIT[198]

 

TEL

GIC_to_GISS.BIT[199]

 

TEL

GIC_to_GISS.BIT[200]

Telescope Azimuth Motion Stopped

TEL

GIC_to_GISS.BIT[201]

Telescope Azimuth at Safe Speed

TEL

GIC_to_GISS.BIT[202]

Telescope Azimuth Negative Final Limit

TEL

GIC_to_GISS.BIT[203]

Telescope Azimuth Positive Final Limit

TEL

GIC_to_GISS.BIT[204]

Telescope Altitude Motion Stopped

TEL

GIC_to_GISS.BIT[205]

Telescope Altitude at Safe Speed

TEL

GIC_to_GISS.BIT[206]

Telescope Altitude Negative Final Limit

TEL

GIC_to_GISS.BIT[207]

Telescope Altitude Positive Final Limit

TEL

GIC_to_GISS.BIT[208]

TEL

GIC_to_GISS.BIT[209]

TEL

GIC_to_GISS.BIT[210]

Telescope Azimuth Cable Wrap alignment OK

TEL

GIC_to_GISS.BIT[211]

TEL

GIC_to_GISS.BIT[212]

TEL

GIC_to_GISS.BIT[213]

TEL

GIC_to_GISS.BIT[214]

OSS Bridge stowed

TEL

GIC_to_GISS.BIT[215]

OSS Bridge permissive

TEL

GIC_to_GISS.BIT[216]

M5 Bridge stowed

TEL

GIC_to_GISS.BIT[217]

M5 Bridge permissive

TEL

GIC_to_GISS.BIT[218]

Telescope Access Doors Closed

TEL

GIC_to_GISS.BIT[219]

M1 Cart Jacks Stowed

TEL

GIC_to_GISS.BIT[220]

M1 Cover Closed

TEL

GIC_to_GISS.BIT[221]

M1 Cover Permissive

TEL

GIC_to_GISS.BIT[222]

 

TEL

GIC_to_GISS.BIT[223]

 

FTS

GIC_to_GISS.BIT[224]

Array of 32 bits

FTS

GIC_to_GISS.BIT[225]

 

FTS

GIC_to_GISS.BIT[226]

 

FTS

GIC_to_GISS.BIT[227]

 

FTS

GIC_to_GISS.BIT[228]

 

FTS

GIC_to_GISS.BIT[229]

 

FTS

GIC_to_GISS.BIT[230]

 

FTS

GIC_to_GISS.BIT[231]

 

FTS

GIC_to_GISS.BIT[232]

 

FTS

GIC_to_GISS.BIT[233]

 

FTS

GIC_to_GISS.BIT[234]

 

FTS

GIC_to_GISS.BIT[235]

 

FTS

GIC_to_GISS.BIT[236]

 

FTS

GIC_to_GISS.BIT[237]

 

FTS

GIC_to_GISS.BIT[238]

 

FTS

GIC_to_GISS.BIT[239]

 

FTS

GIC_to_GISS.BIT[240]

 

FTS

GIC_to_GISS.BIT[241]

 

FTS

GIC_to_GISS.BIT[242]

 

FTS

GIC_to_GISS.BIT[243]

 

FTS

GIC_to_GISS.BIT[244]

 

FTS

GIC_to_GISS.BIT[245]

 

FTS

GIC_to_GISS.BIT[246]

 

FTS

GIC_to_GISS.BIT[247]

 

FTS

GIC_to_GISS.BIT[248]

 

FTS

GIC_to_GISS.BIT[249]

 

FTS

GIC_to_GISS.BIT[250]

 

FTS

GIC_to_GISS.BIT[251]

 

FTS

GIC_to_GISS.BIT[252]

 

FTS

GIC_to_GISS.BIT[253]

 

FTS

GIC_to_GISS.BIT[254]

 

FTS

GIC_to_GISS.BIT[255]

 

Commands

The information passed from the GIS to the GISS is essentially a one-way transmission. The GISS does not and cannot command the GIS; the GISS only receives status information.

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