Hans Turck GmbH & Co.KG ñ D-45472 Mülheim an der Ruhr ñ Witzlebenstraße 7 ñ Tel. 0208 4952-0 ñ Fax 0208 4952-264 ñ more@turck.com ñ www.turck.com2 / 2

Compatible base modules

Dimension drawing

Type

Pin configuration

BL20-S4T-SBBS

6827046

tension spring connection

Comments

with externally applied supply and cross connected root

1) Jumpered in the electronics

2) cross-connection via QVR in the base

BL20-S4S-SBBS

6827047

screw connection

Comments

with externally applied supply and cross connected root

1) Jumpered in the electronics

2) cross-connection via QVR in the base

Wiring Diagram

Module Wiring Diagram

BL20-S4T-SBCS

6827063

tension spring connection

Comments

with supply via C rail and cross connected root

1) C rail

2) cross-connection via QVR in the base; max. 8 relay

modules

BL20-S4S-SBCS

6827060

screw connection

Comments

with supply via C rail and cross connected root

1) C rail

2) cross-connection via QVR in the base; max. 8 relay

modules

Wiring Diagram

Module Wiring Diagram