Thermo 42i - Digital Output Board Connector Pin Descriptions

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Troubleshooting

Connector Pin Descriptions

Thermo Electron Corporation Model 42i Low Source Instruction Manual 6-19

7 +RS485 to Motherboard

8 -RS485 to Motherboard

Table 6-7. Digital Output Board Connector Pin Descriptions

Connector

Label

Reference

Designator

Pin Signal

Description

MOTHER BD J1 1 +5V

2 +24V

3 +24V

4 Ground

5 Ground

6 Ground

7 SPI Reset

8 SPI Input

9 SPI Output

10 SPI Board Select

11 SPI Clock

DIGITAL

OUTPUTS

J2 1 Relay 1 Contact a

2 Relay 2 Contact a

3 Relay 3 Contact a

4 Relay 4 Contact a

5 Relay 5 Contact a

6 Relay 6 Contact a

7 Relay 7 Contact a

8 Relay 8 Contact a

9 Relay 9 Contact a

10 Relay 10 Contact a

11 NC

12 Solenoid Drive Output 1

13 Solenoid Drive Output 2

14 Solenoid Drive Output 3

Table 6-6. I/O Expansion Board (Optional) Connector Pin Descriptions, continued