Yes, there are two potential alternatives to choose from for the control: PNOZ pe1p (773900) or PNOZ pe2p (779125).
Relays
Safety relays PNOZpower
Can the safety relays PNOZpower be used as pure contact expansion modules?
Contact
Pilz Automation Ltd
Pilz House, Little Colliers Field
Corby, Northants, NN18 8TJ
United Kingdom
Telephone: +44 1536 460766
E-Mail: sales@pilz.co.uk
Technical Support
Telephone: +44 1536 462203
E-Mail: techsupport@pilz.co.uk