ElmoMC SimplIQ Analog Servo Amplifiers-Piccolo Installation - Manual (Page 21)

Piccolo Installation Guide Installation
MAN-PICIG (Ver. 2.301)
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21
3.6.1.4. J3 Connector
Pin #/
Short Form Function Remarks
1
+5V +5 V Hall/encoder supply
voltage +5 V supply voltage for Hall sensors.
Output current: 20 mA.
2
Ha Hall A input Logic levels: TTL
Maximum input voltage: 30 VDC.
3
HARET Hall/encoder supply voltage
return Return used only for Hall supply.
4
Hb Hall B input Logic levels: TTL
Maximum input voltage 30 VDC.
5
+15V +15 V Hall/ encoder supply
voltage +15 V supply voltage for Hall sensors.
Output current: 20 mA.
6
Hc Hall C input Logic levels: TTL.
Maximum input voltage: 30 VDC.
Table 6: J3 Connector
3.6.2. Connecting a Non-isolated Piccolo to an Isolating Power
Transformer
Be sure to ground:
• DC power common
• Motor chassis
• Amplifier heatsink
Do not ground the control common, which is internally connected to the power common.
Grounding the control common will create a ground loop.