PNOZ s8
Operating Manual PNOZ s8
21400-EN-10
9
Function description
with PNOZsigma base unit:
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Dual-channel operation via PNOZsigma connector
without PNOZsigma base unit:
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Single-channel operation: one input circuit affects the output relays
Timing diagram
POWER/Input
Legend
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POWER/Input: Supply voltage/input
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Output safe: Safety contacts
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Out semi: Semiconductor output
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t
1
: Switch-on delay
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t
2
: Delay-on de-energisation
Installation
Install contact expansion module without base unit:
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Ensure that the plug terminator is inserted at the side of the unit.
Connect base unit and PNOZsigma contact expansion module:
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Remove the plug terminator at the side of the base unit and at the contact expander
module
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Connect the base unit and the contact expansion module using the connector supplied,
before mounting the units to the DIN rail.
Control cabinet installation
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The safety relay should be installed in a control cabinet with a protection type of at least
IP54.
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Use the notch on the rear of the unit to attach it to a DIN rail (35 mm).
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When installed vertically: Secure the unit by using a fixing element (e.g. retaining
bracket or end angle).
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Push the unit upwards or downwards before lifting it from the DIN rail.
