PNOZ_X2_8P_Operat_Manual_1004082-EN-21.pdf - 第8页
PNOZ X2.8P Operating Manual PNOZ X2.8P 1004082-EN-21 | 8 Unit features } Positive-guided relay outputs: – 3 safety contacts (N/O), instantaneous – 1 auxiliary contact (N/C), instantaneous } Connection options for: – E-ST…

PNOZ X2.8P
Operating Manual PNOZ X2.8P
1004082-EN-21
| 7
Use of qualified personnel
The products may only be assembled, installed, programmed, commissioned, operated,
maintained and decommissioned by persons who are competent to do so.
A competent person is a qualified and knowledgeable person who, because of their train-
ing, experience and current professional activity, has the specialist knowledge required. To
be able to inspect, assess and operate devices, systems and machines, the person has to
be informed of the state of the art and the applicable national, European and international
laws, directives and standards.
It is the company’s responsibility only to employ personnel who
} Are familiar with the basic regulations concerning health and safety / accident prevention,
} Have read and understood the information provided in the section entitled Safety
} Have a good knowledge of the generic and specialist standards applicable to the specific
application.
Warranty and liability
All claims to warranty and liability will be rendered invalid if
} The product was used contrary to the purpose for which it is intended,
} Damage can be attributed to not having followed the guidelines in the manual,
} Operating personnel are not suitably qualified,
} Any type of modification has been made (e.g. exchanging components on the PCB
boards, soldering work etc.).
Disposal
} In safety-related applications, please comply with the mission time T
M
in the safety-related
characteristic data.
} When decommissioning, please comply with local regulations regarding the disposal of
electronic devices (e.g. Electrical and Electronic Equipment Act).
For your safety
The unit meets all the necessary conditions for safe operation. However, please note the
following:
} Note for overvoltage category III: If voltages higher than low voltage (>50 VAC or >120
VDC) are present on the unit, connected control elements and sensors must have a rated
insulation voltage of at least 250 V.

PNOZ X2.8P
Operating Manual PNOZ X2.8P
1004082-EN-21
| 8
Unit features
} Positive-guided relay outputs:
– 3 safety contacts (N/O), instantaneous
– 1 auxiliary contact (N/C), instantaneous
} Connection options for:
– E-STOP pushbuttons
– Safety gate limit switches
– Start button
– Light guards and safety switches
} LED display for:
– Supply voltage
– Switch status of the safety contacts
} Plug-in connection terminals (either spring-loaded terminal or screw terminal)
} See order reference for unit types
Safety features
The safety relay meets the following safety requirements:
} The circuit is redundant with built-in self-monitoring.
} The safety function remains effective in the case of a component failure.
} The correct opening and closing of the safety function relays is tested automatically in
each on-off cycle.

PNOZ X2.8P
Operating Manual PNOZ X2.8P
1004082-EN-21
| 9
Block diagram/terminal configuration
Type: 24 VAC/DC
} U
B
: 24 VAC/DC; Order no. 777301, 787301
S11 S52 S21 S22 S12 S34
PNOZ X2.8P
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)
Type: 24 - 240 V AC/DC
} U
B
: 24 – 240 VAC/DC; Order no. 777302, 787302
S11 S52 S21 S22 S12 S34
PNOZ X2.8P
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)