Pilz PNOZ X4 User Manual

PNOZ X4
Operating Manual PNOZ X4
19894-EN-07
9
} Monitored start: Unit is active once the input circuit is closed and once the start circuit is
closed after the waiting period has elapsed (see Technical details [ 15]).
} Increase in the number of available contacts by connecting contact expander modules
or external contactors/relays.
Timing diagram
[1][1] [2][2] [3][3]
Legend
} Power: Supply voltage
} Start: Start circuit
} Input: Input circuit
} Output safe: Safety contacts
} Output aux: Auxiliary contact
} [1]: Automatic start
} [2]: Manual start
} [3]: Monitored start
} a: Input circuit closes before start circuit
} b: Start circuit closes before input circuit
} t
1
: Switch-on delay
} t
2
: Delay-on de-energisation
} t
3
: Recovery time
} t
4
: Waiting period with a monitored start
Installation
} The unit should be installed in a control cabinet with a protection type of at least IP54.
} Use the notch on the rear of the unit to attach it to a DIN rail.
} Ensure the unit is mounted securely on a vertical DIN rail (35 mm) by using a fixing ele-
ment (e.g. retaining bracket or an end angle).

Pilz PNOZ X4 Specifications

General

Supply Voltage	24 V DC
Contacts	3 N/O, 1 N/C
Width	45 mm
Depth	121 mm
Mounting	DIN rail
PL according to EN ISO 13849-1	PL e
Category according to EN 954-1	4
SIL according to IEC 61508	SIL 3
Max. switching current	6 A
Protection class	IP20
Operating Temperature	-10 °C to +55 °C
Stop Category	0
SIL CL according to EN IEC 62061	SIL CL 3
Number of safe inputs	2
Number of safe outputs	3
Operating temperature range	-10 °C to +55 °C