GASGUARD IS CONTROLLER Issue: R2, Date: 26/09/2011, CRN: 7502
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Example 4:
Inclusion of a relay across two Zone Blocks. Vote counts set to allow basic alarm logic decoding.
Assume set-points and relay inclusions not shown, to be set as [ NOT IN ].
RELAY 1:
Status [ ON ]
Zn1 [ IN ]
Allocate Relay 1 to Zone Block 1.
Zn2 [ IN ]
Also allocate Relay 1 to Zone Block 2.
ZONE 1:
Status [ ON ]
Ch1 A1 [ IN ]
(include Chan 1 A1 set-point )
Ch2 A1 [ IN ]
(include Chan 2 A1 set-point )
Voting [ 2 ]
ZONE 2:
Status [ ON ]
Ch3 A2 [ IN ]
(include Chan 3 A2 set-point )
Voting [ 1 ]
Relay 1 will become active when:- Ch1 A1 is active AND CH2 A1 is active, OR Ch3 A2 is active.
Summary of Contents for gasguard
Page 47: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 46 ...
Page 62: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 61 B2 Main Menu Flowchart ...
Page 63: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 62 B3 Calibration Flowchart ...
Page 64: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 63 B4 Configuration Flowchart ...
Page 74: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 73 Appendix C Approvals ...
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