J3 connector – ElmoMC SimplIQ Analog Servo Amplifiers-Piccolo Installation User Manual
Page 21
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Piccolo Installation Guide
Installation
MAN-PICIG (Ver. 2.301)
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.