ElmoMC SimplIQ Analog Servo Amplifiers-Piccolo Installation - Manual (Page 16)

Piccolo Installation Guide Installation
MAN-PICIG (Ver. 2.301)
www.elmomc.com
16
3.4. Mounting the Piccolo
3.4.1. Mounting the Heatsink
The Piccolo dissipates its heat by natural convection, up to loads of 500 W. For higher output
loads, the amplifier should be mounted on an additional heatsink or cooled by fan. There are
two 4.5-mm holes in the base plate for mounting an additional heatsink, see Figure 2.
3.4.2. Mounting on the PC Board
When mounting the Piccolo on a PC board, four screws (in addition to the solder pins) may be
installed to provide a mechanical connection. It is important to provide a spacer if any
components are located above the amplifier. Failure to do so can warp the PC board or
puncture the amplifier case. When selecting screws, the following specifications should be
used. If a spacer has been added, the screw length must be calculated to penetrate the case by
no more than 2.6 mm.
Screw Type: Phillips Pan Head Self-tapping (for plastic) screw – Nickel-plated Steel. Meets
standards ISO 1478, EN 21478, or DIN 7970.
d ST2.2
L 4.5*
P 0.8
d
k
4.2
k 1.8
m≈ 2.6
Phillips size 1
*4.5 mm is typical for mounting on a
PC board assembly without spacers.
Table 1: Dimensions in Millimeters
Basic
Diameter
ISO Nr. Pitch P Main Diameter Minor Diameter Flat End Diameter
D
1max
D
1min
D
2max
D
2min
D
3max
D
3min
ST2.2 2 0.8 2.24 2.1 1.63 1.52 1.47 1.37
Table 2: Size Limits for Tapping Screw Thread