ABB ACS550 Series, User Manual

Page: 281 / 310

ACS550 User’s Manual 281
Technical data
Control connections
Control connection specifications
Control cables
General recommendations
Use multi-core cables with a braided copper wire screen, temperature rated at 60 °C
(140 °F) or above:
At the drive end, twist the screen together into a bundle not longer than five times its
width and connected to terminal X1-1 (for digital and analog I/O cables) or to either
X1-28 or X1-32 (for RS485 cables). Leave the other end of the cable shield
unconnected.
Route control cables to minimize radiation to the cable:
• Route as far away as possible from the input power and motor cables [at least
20 cm (8 in)].
• Where control cables must cross power cables, make sure they are at an angle
as near 90° as possible.
• Stay at least 20 cm (8 in) from the sides of the drive.
Use care in mixing signal types on the same cable:
• Do not mix relay-controlled signals using more than 30 V and other control
signals in the same cable.
• Run relay-controlled signals as twisted pairs (especially if voltage > 48 V). Relay-
controlled signals using less than 48 V can be run in the same cables as digital
input signals.
Control connection specifications
Analog inputs and
outputs
See section Control terminals table on page 22 .
Digital inputs
Digital input impedance 1.5 kohm. Maximum voltage for digital inputs is
30 V.
Relays
(digital outputs)
• Max. contact voltage: 30 V DC, 250 V AC
• Max. contact current / power: 6 A, 30 V DC; 1500 VA, 250 V AC
• Max. continuous current: 2 A rms (cos
ϕ = 1), 1 A rms (cos ϕ = 0.4)
• Minimum load: 500 mW (12 V, 10 mA)
• Contact material: Silver-nickel (AgN)
• Isolation between relay digital outputs, test voltage: 2.5 kV rms, 1 minute
Cable specifications See section Control terminals table on page 22 .
Double shielded
Single shielded
Example: JAMAK by Draka NK Cables
Example: NOMAK by Draka NK Cables