User Manual

Page 8 of 21
not source current for pyrometer operation. Connect the 4-20mA signal to TB 100 pins
18+ and 19-.
• “TCT” and “TCP” options: To use the alarm output as an external process alarm.
Connect the device for the alarm output to TB 100 pins 20 and 21. If a remote alarm
output is not used, the alarm may be connected to the front panel over-temp alarm
indicator. Connect TB 100 pin 20 to pin 8 and TB 100 pin 21 to pin 11. The alarm
indicator will flash while the temperature controller is in an alarm conditio n.
Figure 3-2