Chapter 3 Electrical Installation - 51 -
Pinout—MOTOR FEEDBACK Connector for Resolver Option
Note: A box surrounding pins indicates a requirement for twisted pair wiring.
Signal Pin Description
No connection 1 —
No connection 2 —
Thermal- 3 Motor thermal switch/thermistor
Reference+ 4 Resolver excitation signal
Reference- 15 Resolver excitation signal
No connection 5 —
Thermal- 6 Motor thermal switch/thermistor
Thermal+ 10 Motor thermal switch/thermistor
SIN– 7 SIN resolver feedback signal
SIN+ 8 SIN resolver feedback signal
No connection 9 —
COS– 11 COS resolver feedback signal
COS+ 12 COS resolver feedback signal
No connection 13 —
No connection 14 —
Table 26 MOTOR FEEDBACK Connector Pinout for Resolver Option
Resolver Excitation
Description Min Typical Max Units
Excitation Frequency — 10 — KHz
Note: All parameters are at the connector pin.
Table 27 Resolver excitation
Drive I/O Connector
The inputs and outputs (I/O) located on the 26-pin DRIVE I/O connector are
described below. For preparing your own cable, use differential pair wiring
with a minimum of three turns-per-inch (3 TPI).
Optical Isolation
The following describes which differential I/O signals are optically isolated:
• Enable input is optically isolated with both Anodes (+) and Cathodes
(–) available.
• Reset input is optically isolated with both Anodes (+) and Cathodes
(–) available.
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