Owner's manual

NORDAC AS-Interface Manual
8 BU 0090 GB
1.3 AS interface for NORDAC frequency inverters
Features:
• Electrically isolated bus interface
• Status display with 2 LEDs (SK TU1-AS1 and SK TU3-AS1: 14 additional LEDs for I/O display)
• SK TUx-AS1: Slave profile 7.4.0 with cyclic 4 Bit I/O data and the facility for string transfer
• SK TUx-AS3: Slave profile 7.A.7 (A/B Slave) with cyclic 4 Bit I/O data, no string transfer
• External 24V power supply for the unit
• All parameters of the frequency inverter can be programmed via the AS interface
• Connection via M12 (SK TU2-ASx) or open-style plugs with screw terminals
(SK TU1-AS1, SK TU3-AS1)
• Additional 4 digital inputs and 2 digital outputs (connected to 24V)
• Up to a maximum of 31 frequency inverters on one bus conductor (standard slave technology) with
SK TUx-AS1 bus modules
• Up to a maximum of 62 frequency inverters on one bus conductor (A/B slave technology) with
SK TU2-AS3 bus modules
• Cycle time ≤ 5ms (AS Interface network with standard slaves),
• Cycle time ≤ 21ms (AS Interface network with A/B slaves),
1.4 Delivery
Check the equipment immediately after delivery/unpacking for transport damage such as deformation or
loose parts.
If there is any damage, contact the carrier immediately and carry out a thorough assessment.
Important! This also applies even if the packaging is undamaged.
1.5 Scope of supply
SK TU1-AS1 for frequency inverter SK 700E IP20 or
SK TU2-AS1(-C) for frequency inverter SK 300E or SK 750E IP55 (optionally IP66) or
SK TU2-AS3(-C)
for frequency inverter SK 300E or SK 750E IP55 (optionally IP66) or
SK TU3-AS1* for frequency inverter SK 500E IP20
*incl. screw for optional fixing to the FI