Raven Installation Guide Installation
MAN-RAVIG (Ver. 1.1)
3-8

Pin #/
Short Form
Function
Remarks
1
AOK
Amplifier OK “Amplifier OK” indication output pin. When the
amplifier is at normal operating conditions, this
output is in “active low “ state. When a failure
occurs, this output is changed to “open” state.
Opto isolated, open collector NPN type. See
Figure 2-1.
Maximum voltage = 30 V
Maximum current = 8 mA.
“On” voltage: V OUT(On) < 0.8 V
2
SO1
Status output 1 Status indication output 1. Specification as in pin
J3/1.
3
SO2
Status output 2 Status indication output 2. Specification as in pin
J3/1.
4
SO3
Status output 3 Status indication output 3. Specification as in pin
J3/1.
5
SORET
Status output
return
Status output return for AOK, SO1, SO2, SO3.
Isolated from power input return. for details, see
Figure 2-1.
6
SORET
Status output
return
Status output return for AOK, SO1, SO2, SO3.
Isolated from power input return. for details, see
Figure 2-1.

Table 3-6: Connector J3

3.6.2 Connecting a Non-isolated Raven 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.