turck BL20-GW-CANOPEN, User Manual, Page: 19 / 95

D301087 1211 - BL20 CANopen
2-5
BL20 Components
2.2.4 Base Modules
The field wiring is connected to the base modules. These are constructed as terminals in block and slice
designs and are available in the following variations with either tension clamp or screw connections: 2-
/3-wire (2-channel), 4-wire (2-channel) and 4x 2-/3-wire (4-channel).
The assignment table in the Section "Ordering Information" of the "Appendix" shows the possible
combinations of electronics and base modules.
Figure 2-4:
Electronics
module in block
design
Figure 2-5:
Base module with
tension clamp
connection