ABB TC625 AF100 coaxial modem
Compatible Devices: NAIO module, NDIO module, NTAC module,ACS 600 frequency converter
Maximum size of the link: 128 stations
Topology: Ring
Serial communication type: Asynchronous
Transmission speed: 1 Mbit/s
Protocol: ABB Distributed Drives Communication System (DDCS)
Medium access control method:
• Application and Motor Control Board (NAMC) of the ACS 600 polls
other stations cyclically
Cable: Fibre optic cable
• Construction: Plastic core, diameter 1 mm, sheathed with plastic
jacket
• Cable attenuation: 0.23 dB/m
• Cable maximum length: 10 m between two stations
• Cable specifications:
Connectors:
• Simplex connectors. Blue = receiver, Grey or Black = transmitter
Parameter Minimum Maximum Unit
Storage Temperature -55 +85 °C
Installation Temperature -20 +70 °C
Operating Temperature -40 +85 °C
Short Term Tensile Force 50 N
Short Term Bend Radius 25 mm
Long Term Bend Radius 35 mm
Long Term Tensile Load 1 N
Flexing 1000 Cycles

Enclosure: Plastic, dimensions: 45 mm x 75 mm x 105 mm. Degree of
protection: IP 20
Mounting: Onto a standard mounting rail
Hardware settings: Seven DIP switches for setting the node number.
Allocated node number: 16 (default).
Connectors:
• Light transmitter and receiver (Hewlett-Packard Versatile Link) for
ACS 600 connection
• Two screw terminal blocks (Phoenix Contact MVBSTW 2,5/8-ST-
5,08) for encoder and power supply connections. Conductor cross sectional area: 0.5 to 2.5 mm2
Encoder inputs:
• Max. signal frequency: 100 kHz
• Logical thresholds (15 V encoder supply): “1” > 7.6 V, “0” < 5 V
• Logical thresholds (24 V encoder supply): “1” > 12.2 V, “0” < 8 V
• Speed feedback resolution: 0.00305 % (15 bits)
• Isolated from the power supply and from earth
• Channel B 90° (electrical) apart from Channel A
• Channel Z: one pulse per revolution (used in positioning)
General:
• Current consumption: 250 mA max. at 24 V d.c. (typical).
Refer to Figure 3-5
• All materials are UL/CSA approved
• Fast transient burst immunity (IEC 801-4): 4 kV 5/50 ns
• Electromagnetic emissions: In accordance to EN 55022 B