Owner manual

Watlow Series N7 ■ 13 ■ Chapter 2: Install and Wire

Warning: Use National Electric (NEC) or other country-spe-

cific standard wiring and safety practices when wiring and

connecting this controller to a power source and to electri-

cal sensors or peripheral devices. Failure to do so may

result in damage to equipment and property, and/or injury

or loss of life.

Note:

To prevent ground loops, maintain isolation from input to

output when using switched dc or analog process outputs.

Use ungrounded thermocouples.

3 4567

89101112

–

Figure 13b — Process Output 2

3 4567

89101112

–

Figure 13a — Process Output 1

14 pins

Control Outputs 3 & 4

Process Outputs 1 & 2

Event Inputs 5 to 8

Process Outputs

Current

• 0 to 20 mA at 20V maximum

• Load: 1 kΩ maximum

Volts

• 0 to 10VÎ (dc) at 20 mA maximum

• Load: 500Ω minimum