EUCHNER ECB-A-2K-A1-160397, Руководство по эксплуатации

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2533580-02-03/20 (Translation of the original operating instructions)
Operating Instructions
Euchner Control Box ECB-...
EN
3. Description of the safety function
The following applies to both ECB devices:
Ì Reliable detection of a non-inserted CKS key.
The uniquely coded CKS keys are tamper proof and safe to use:
Ì Each delivered CKS key possesses a unique electronic coding and so is a unique element in the system used.
Ì The code of a CKS key cannot be reprogrammed.
Ì Only the most recently taught-in CKS key is recognized as a valid CKS key.
Ì The CKS key color and the corresponding CKS key adapter cover color indicate the correct key position (red CKS key –
red cover, black CKS key – black cover).
Ì Even if a transponder-coded CKS key belonging to another operator is used, the safety contacts of the CES evaluation
unit are not switched and the installation cannot be started unexpectedly.
Ì Safety contacts 13 / 14 and 23 / 24 are opened if there is a fault in the CKS key adapter or CES evaluation unit.
3.1. Safety function for the ECB-A2 device
Ì Safety contacts 13 / 14 and 23 / 24 of the CES evaluation unit are opened when the CKS key is removed.
ECB-A2
PFH
D
Failsafe
evaluation
, ECB
Figure 1: Safety function for ECB-A2
Ì Safety characteristics for the ECB-A2 device: category, Performance Level, PFH
D
(see chapter 11.1. Technical data for
ECB-A-2K-A2-160398).
3.2. Safety function for the ECB-A1 device
Ì The safe OSSD semiconductor outputs of safety switch CTP-LBI-AP (FO1A and FO1B) are each connected in series with
safety contacts 13 / 14 and 23 / 24 of the CES evaluation unit in the ECB device.
Ì Safety contacts 13 / 14 and 23 / 24 of the CES evaluation unit are opened when the CKS key is removed.
The transponder-coded safety switch CTP-LBI-AP is tamper proof and switches the safety outputs FO1A and FO1B only if
the most recently taught-in CTP actuator is recognized as a valid actuator by CTP-LBI-AP.
The following applies here:
Ì The safety outputs are switched off when the guard is open (monitoring of the door position).
Important!
The combination of safety switch CTP-LBI-AP with the ECB-A1 device means that CTP guard locking
meets only the requirements for process protection.