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1747-6.22, Backup Scanner User Manual

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Example 2<br />

# 2<br />

# 4<br />

# 1 # 2<br />

# 3 # 4<br />

# 1<br />

# 3<br />

RIO Block Transfer 7-109<br />

In this example, the remote adapter is configured for 2-slot addressing. It is assigned 1/4-logical<br />

rack or the scanner’s I/O image files starting at RIO Logical Rack 3, Logical Group 4. The remote<br />

adapter controls four analog modules that are configured for block transfer operations. Note that<br />

each module uses both the input and output byte of the logical slot to which it is assigned.<br />

Logical<br />

Rack 0<br />

Logical<br />

Rack 3<br />

<strong>1747</strong>-SN RIO <strong>Scanner</strong>’s I/O Image Files<br />

Example 3<br />

Logical<br />

Rack 0<br />

Logical<br />

Rack 3<br />

Group 0<br />

Group 1<br />

Group 2<br />

Group 3<br />

Group 4<br />

Group 5<br />

Group 6<br />

Group 7<br />

Group 0<br />

Group 1<br />

Word 0<br />

Word 1<br />

Word 2<br />

Word 3<br />

Word 4<br />

Word 5<br />

Word 6<br />

Word 7<br />

Word 8<br />

Word 9<br />

Group 7 Word 23<br />

Group 0 Word 24<br />

Group 1 Word 25<br />

Group 2 Word 26<br />

Group 3 Word 27<br />

Group 4 Word 28<br />

Group 5 Word 29<br />

Group 6 Word 30<br />

Group 7 Word 31<br />

Input Image Output Image<br />

<strong>1747</strong>-SN RIO <strong>Scanner</strong>’s I/O Image Files<br />

Input Image Output Image<br />

not used<br />

# 4<br />

# 1 # 2<br />

# 3<br />

not used<br />

# 1<br />

# 3<br />

Logical Slot 0<br />

Logical Slot 1<br />

Logical Slot 0<br />

Logical Slot 1<br />

Adapter<br />

I/O<br />

Image<br />

Mod.<br />

#1<br />

Mod.<br />

#2<br />

Mod.<br />

#3<br />

Mod.<br />

#4<br />

Modules’ "handshake" bytes map to these I/O<br />

image addresses.<br />

Adapter<br />

I/O<br />

Image<br />

Mod.<br />

#1<br />

Mod.<br />

#2<br />

Modules’ "handshake" bytes map to<br />

these I/O image addresses.<br />

Mod.<br />

#3<br />

Mod.<br />

#4<br />

These are all analog modules<br />

that are assigned block<br />

transfer operations.<br />

In this example, the remote adapter is using 2-slot addressing. It is assigned 1/4-logical rack of the<br />

scanner’s I/O image files starting at RIO Logical Rack 3, Logical Group 4. The remote adapter<br />

controls two analog devices, which are configured for block transfer operations and two discrete<br />

devices (8-point input and 8-point output). Note that each analog module uses both the input and<br />

output byte of the logical slot to which it is assigned, while the discrete modules use only the input or<br />

output byte.<br />

Group 0<br />

Group 1<br />

Group 2<br />

Group 3<br />

Group 4<br />

Group 5<br />

Group 6<br />

Group 7<br />

Group 0<br />

Group 1<br />

Word 0<br />

Word 1<br />

Word 2<br />

Word 3<br />

Word 4<br />

Word 5<br />

Word 6<br />

Word 7<br />

Word 8<br />

Word 9<br />

Group 7 Word 23<br />

Group 0 Word 24<br />

Group 1 Word 25<br />

Group 2 Word 26<br />

Group 3 Word 27<br />

Group 4 Word 28<br />

Group 5 Word 29<br />

Group 6 Word 30<br />

Group 7 Word 31<br />

These are all analog modules<br />

that are assigned block<br />

transfer operations.<br />

These are discrete modules.<br />

Module #2 is an8-point output<br />

module and module #4 is an8point<br />

input module.<br />

Publication <strong>1747</strong>-<strong>6.22</strong>

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