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LIST OF FIGURES

Figure: Page:

1.1 Mechanical Dimensions ..……………………………………………………….. 5

1.2 Field Wiring Diagram ..………………………………………………………….. 5

1.3 Field Wiring Diagram with 4-20mA Option …………………………………….. 5

1.4 Analog Configuration Switches and Trim Pots ………………………………….. 7

2.1 Simplified Programming Flowchart …...………………………………………… 8

2.2 Linear Scaling Mode Analog Output ...………………………………………….. 15

2.3 Non-Linear Scaling Mode Analog Output ...…………………………………….. 16

2.4 Base 1 Uni-Polar Mode Analog Output ….……………………………………… 17

2.5 Base 0 Uni-Polar Mode Analog Output ...……………………………………….. 18

2.6 Bi-Polar Mode Analog Output ...………………………………………………… 19

3.1 Relay Field Wiring Diagram ...…………………………………………………... 22

4.1 Analog Output Adjustment Pots …………………………………………………. 32

LIST OF TABLES

Table: Page:

1.1 Terminal Functions ...………………………………………………………….. 6

1.2 DIP Switch Functions…………………………………………………………... 6

1.3 Digital Communication Connector Pin-Out……………………………………. 6

1.4 Analog Output Switch Positions………………………………………………... 7

2.1 Numeric and Alpha-numeric Menu Items……………………………………… 9-10

2.2 Serial Programming Commands……………………………………………….. 11-12

3.1 Analog Output Load Limits……………………………………………………. 21

3.2 Wiring: 9-Pin Serial Connector Pin-Out………………………...……………… 24

3.3 Read Registers Command Format.………………………….………………….. 25

3.4 Read Registers Response Format.…………………………...…………………. 25

3.5 Write Registers Command Format………………………….………………….. 26

3.6 Write Registers Response Format………………………………………………. 26

3.7 Error Exception Response Format……………………………………….……... 26

3.8 RS-485 MODBUS Register Definitions...……………………………………… 28-30

5.1 Error Codes …………………………………………………………….………. 36

Incon 1250B User Manual

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