Conductor Cross-Sections - Kollmorgen S700 Series Instruction Manual

7.2.7 Conductor cross-sections

Recommendations for cables (material and construction (➜ # 63).
Following IEC 60204 (B2), we recommend for single-axis systems:
Interface
AC connection
DC bus link
Brake resistor
Motor cables
Resolver, motor thermal con-
trol, max.100m*
Encode, rmotor thermal con-
trol, max. 50m*
ComCoder, motor thermal
control, max. 25m
Setpoints, AGND, max 30m 0.25 mm²
Control signals, BTB,
DGND, max. 30m
Holding brake (motor)
+24 V electronics, max 30m
+24 V motor brake, max 30m max. 1.5 mm²
* Kollmorgen North America supplies cables up to 39 meters, Europe up to max. length
S748-772 Instructions Manual | 7 Technical description
Cross section Techn. requirements
S748: 16 mm² 600 V, 80°C
S772: 25 mm²
S748: 25 mm² 1000 V, 80°C, shielded
S772: 25 mm² for lengths >0.50 m
S748: 35 mm² 1000 V, 80°C, shielded
S772: 35 mm² for lengths >0.50 m
S748: 16 mm² 600 V, 80°C, shielded,
S772: 25 mm² capacitance <150 pF/m
4x2x0.25 mm² twisted pairs, shielded, C<120 pF/m
7x2x0.25 mm² twisted pairs, shielded, C<120 pF/m
8x2x0.25 mm² twisted pairs, shielded, C<120 pF/m
twisted pairs, shielded
0.5 mm²
min. 0.75 mm² 600 V, 80°C, shielded,
check voltage drop
max. 1.5 mm² check voltage drop
check voltage drop
For multi-axis systems, observe the specific operating con-
ditions for your system.
To reach functional safety with the max. permitted cable
length, observe cable requirements (➜ # 63)
Kollmorgen | kdn.kollmorgen.com | July 2019 33