The contact expansions of the PNOZsigma product range are used to increase the number of available contacts. They are used as expansion devices to increase the number of safety contacts of a base unit. Base units are all safety relays or safety control systems with feedback loop monitoring.
Type |
Performance Level (PL) | Safety Integrity Level (SIL) CL | Output contacts (safe) | Semiconductor outputs (safe) | Width in mm |
PNOZ s7 | e | 3 | 4 | - | 17.5 |
PNOZ s7.1 | e | 3 | 3 | - | 17.5 |
PNOZ s7.2 | e | 3 | 4 | - | 17.5 |
PNOZ s8 | c | 2 | 2 | - | 12.5 |
PNOZ s10 | e | 3 | 4 | - | 45 |
PNOZ s11 | e | 3 | 8 | - | 45 |
PNOZ s20 | e/d | 3/2 | - | 2 | 22.5 |
PNOZ s22 | e | 3 | 2x3 | 2x1 | 22.5 |