4. Replace the PCM3.1 hardware module to the rack:
a. Hold the PCM3.1 only by its faceplate.
b. Make sure that the hardware module is the right way up, and slide it back into slot 7.
• The hardware module should slide in easily.
c. Tighten the screws on the hardware module faceplate using a screwdriver with a TX20 bit, and 0.5 N·m (4.4 lb-in) of torque.
INFO
PCM3.1 uses a CR2430 3V battery, rated for operation at -40 to 85 °C (-40 to 185 °F). This is not a standard CR2430
battery.
Date and time settings
• After the battery is replaced, the date and time settings need to be reentered on the controller.
• You can use PICUS to enter the correct date and time settings.
OPERATOR'S MANUAL 4189341099G UK Page 127 of 130