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Channel assignment – Measurement Computing TempScan/1100 User Manual

Page 47

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TempScan / MultiScan User's Manual

889897

Expansion Unit 2-11

Channel Assignment

Channels 1 through 32 are always in the TempScan/1100, and channels 1 through 24 are always in the
MultiScan/1200, while the channels in the Exp/11A expansion unit are treated as extended channels. With
the first Exp/11A slave unit, the first channel in the first scanning card is channel 33 in the TempScan/1100
system, and channel 25 in the MultiScan/1200 system. With the same slave unit, the first channel in the
second scanning card is channel 65 in the TempScan/1100 system, and channel 49 in the MultiScan/1200
system. The order of multiple Exp/10A expansion units are set up using the rear panel DIP switches, as
described earlier.

Even if a scanning card slot is left empty in the master unit and/or slave unit(s), the channel assignments
remain the same, as shown in the table. For a 16-channel TempScan/1100 scanning card, the system still
assigns 32 channels to the card slot with the second 16 channels ignored. Likewise, for a 12-channel
MultiScan/1200 scanning card, the system still assigns 24 channels to the card slot with the second 12
channels ignored. For example, if a 16-channel TempRTD/16B scanning module is installed in the first slot
of Logical Unit 2 (the first Exp/10A), then channels 33 through 48 will be assigned and channels 49 through
64 will be ignored.

Exp/11A Slave Address Settings

Exp/11A Channel Assignments

Microswitches

1 and 2

Slave

Address

Slave Unit

Logical

Unit

Card

Slot

TempScan/1100

Master Unit

MultiScan/1200

Master Unit

(N/A)

(N/A)

(Master Unit)

(1)

(1)

(Inputs 1 – 32)

(Inputs 1 – 24)

0 0

0 Slave

1

2

1

Inputs 33 – 64

Inputs 25 – 48

2

Inputs 65 – 96

Inputs 49 – 72

3

Inputs 97 – 128

Inputs 73 – 96

4

Inputs 129 – 160

Inputs 97 – 120

5

Inputs 161 – 192

Inputs 121 – 144

6

Inputs 193 – 224

Inputs 145 – 168

7

Inputs 225 – 256

Inputs 169 – 192

8

Inputs 257 – 288

Inputs 193 – 216

9

Inputs 289 – 320

Inputs 217 – 240

10

Inputs 321 – 352

Inputs 241 – 264

0 1

1 Slave

2

3

1

Inputs 353 – 384

Inputs 265 – 288

2

Inputs 385 – 416

Inputs 289 – 312

3

Inputs 417 – 448

Inputs 313 – 336

4

Inputs 449 – 480

Inputs 337 – 360

5

Inputs 481 – 512

Inputs 361 – 384

6

Inputs 513 – 544

Inputs 385 – 408

7

Inputs 545 – 576

Inputs 409 – 432

8

Inputs 577 – 608

Inputs 433 – 456

9

Inputs 609 – 640

Inputs 457 – 480

10

Inputs 641 – 672

Inputs 481 – 504

1 0

2 Slave

3

4

1

Inputs 673 – 704

Inputs 505 – 528

2

Inputs 705 – 736

Inputs 529 – 552

3

Inputs 737 – 768

Inputs 553 – 576

4

Inputs 769 – 800

Inputs 577 – 600

5

Inputs 801 – 832

Inputs 601 – 624

6

Inputs 833 – 864

Inputs 625 – 648

7

Inputs 865 – 896

Inputs 649 – 672

8

Inputs 897 – 928

Inputs 673 – 696

9

Inputs 929 – 960

Inputs 697 – 720

10

Inputs 961 – 992

Inputs 721 – 744

(1 1)

(3)

(Invalid)

(N/A)

(N/A)

(N/A)

(N/A)

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