How to select and program an Encoder Option Card on an Altivar 900 Process Drive?

Issue:
How do you select and configure an Encoder Option Card on an Altivar 900

Product Line:
Altivar 900 Process Drive (ATV930, ATV950, ATV960, ATV980, VW3A3420, VW3A3422, VW3A3423, VW3A3424)

Environment:
All serial numbers for Altivar 900 Process Drive

Cause:
N/A

Resolution:
​
Installation:
3 modules are available depending on the encoder technology:

• VW3A3423 (Resolver) Link here
  • Maximum Current: 50mA
  • 100m/328ft
  • 3...12 kHz
  • Supported Thermal Sensors: PTC (digital/linear), PT100, PT1000, Klixon
  • Type of Connector: 1 female SUB-D 9

• VW3A3420 (Digital interface encoder module 5/12 V) Link here
  • Input signal:
    • Data+, Data- (EnDat 2.2)
    • Data+, Data- (SSI)
    • Temp+, Temp-
    • A+,A-/B+,B-/I+,I- (A/B/I)
    • TTL
  • Power Supply: 5, 12 or 24 v
  • Maximum Current: 250, 100 mA
  • 100m/328ft
  • 1,000 kHz
  • Supported Thermal Sensors: PTC (digital/linear), PT100, PT1000, Klixon
  • Connector Type: Sub-HD15 male connector
• VW3A3422 (Analog interface encoder module) Link here
  • 1 Vpp, SinCos Hiperface
  • Power Supply: 5, 12 or 24 v
  • Maximum Current: 250, 100 mA
  • 100m/328ft
  • 100 kHz
  • Supported Thermal Sensors: PTC (digital/linear), PT100, PT1000, Klixon
  • Type of Connector: 1 female high density SUB-D 15

• VW3A3424 (HTL encoder module) Link here
  • Encoder Type - High Threshold Logic (HTL)
  • Power Supply: 12, 15 or 24 v
  • Maximum Current:  0.2 A at 12 V DC,  0.175 A at 15 V DC, 0.1 A at 24 V DC
  • Max Cable Distance 500 m
  • Max Operating Freq. 12 kHz
  • Connector Type - Removable Spring

Wiring:
Use Slot B, for encoder interface, and I/O relay module (Left)
Reference attached manual for wiring instructions.
All wiring should match from encoder to encoder card pin-outs (A+, A-, B+, B-, Z, Z- ,V+)


Programming:

1. Configure the parameters of the encoder used
2. Configure the motor parameters.
3. Set Encoder usage [EnU] to [No] nO.
4. Perform auto-tuning.
5. Set Encoder check [EnC] to [Yes] YES
6. Run motor for a few seconds (Encoder check should change to done)
7. Set [Ctt] Motor control type to [FVC] Flux Vector Control

Use Encoder Check Procedure in the attached ATV900 Programming Manual for further assistance

*Key Notes:
-  Make sure wiring from encoder to encoder cards matches or else Encoder Check will not change to done.
-  If drive faults on SPF then check Encoder Card voltage pin-outs wiring and check [Encoder supply volt.] UeCv setting.
-  [Encoder check] ENC may stay stuck on yes unless you run the motor for a few seconds, minimum speed 10%, to synchronize the encoder card.
-  Encoder cards may use 9 or 15 pin adapter connections. Adapter connectors are not included with encoder cards.  May need to contact a 3rd party vendor.  DigiKey is one commonly used manufacturer.
-  Only available with the Altivar 900 and ATV340.  Encoder cards are not compatible with the ATV600 series drives.

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