Series MSI-SR4B

Application E-Stop circuits

Optoelectronic protective devices

Position switches (mechanical contacts)

Solenoid switches (reed contacts, equivalent)

Transponder switches (OSSD outputs)

Functions Contactor monitoring (EDM)

Cross circuit monitoring

Start/restart interlock (RES)

Restart Automatic

Manual

SIL 3, IEC 61508

SILCL 3, IEC/EN 62061

Performance Level (PL) e, EN ISO 13849-1

MTTFd 73 years, EN ISO 13849-1

PFHD 2,1E-08 per hour

PFHD, nop = 4800 0.0000000014 per hour

PFHD, nop = 28800 0.0000000045 per hour

PFHD, nop = 86400 0.000000015 per hour

Mission time 20 years, EN ISO 13849-1

Category 4, EN ISO 13849-1

STOP category 0, IEC/EN 60204-1

B10d at DC13 (inductive load) 1,000,000 number of cycles

B10d at AC15 (inductive load) 1,400,000 number of cycles

Protective circuit Fuse on switching output, upstream

Switching frequency, max. 3600 switching cycles/h

Continuous current per current path, max. 3 A

Input current, max. 100 mA

External safeguarding for supply circuit 200 mA delay-action

Permissible input line resistance, max. 30 Ω