
20
Dräger Polytron 8100
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5.7.3
Combinations with corresponding LED and relay status:
Combination(s)
Diagram
Relay (if a realy board is installed), LED, and symbol status
Case: Alarm is acknowledged before the alarm condition cleared.
Latching
Acknowledgeable
1
Alarm condition is present.
Relay (b) is energized and symbol (b) is active.
LED (c) starts flashing.
2
Alarm condition is acknowledged (d) but is still present.
Relay (b) and symbol (b) are reset.
LED (c) is lit continously to indicate the present alarm condition.
3
Alarm condition clears.
LED (c) is off.
Non-latching
Acknowledgeable
Case: Alarm is acknowledged after the alarm condition cleared.
Latching
Acknowledgeable
1
Alarm condition is present.
Relay (b) is energized and symbol (b) is active.
LED (c) starts flashing.
2
Alarm condition clears.
Relay (b) stays energized and symbol (b) stays active.
LED (c) keeps flashing.
3
Alarm is acknowledged (d)
Relay (b) and symbol (b) are reset
LED (c) is off.
Latching
Pre-acknowledgeable
Latching
Non-acknowledgeable
Case: Alarm is acknowledged before the alarm condition cleared.
Latching
Pre-acknowledgeable
1
Alarm condition is present.
Relay (b) is energized and symbol (b) is active.
LED (c) starts flashing
2
Alarm is about to be acknowledged (d), but acknowledging is not
possible.
Relay (b) stays energized and symbol (b) stays active.
LED (c) is continuously lit.
3
Alarm condition cleared.
Relay (b) and symbol (b) are reset without acknowledging.
LED (c) is off without acknowledging.
Non-latching
Pre-acknowledgeable
Case: Alarm is not acknowledged.
Non-latching
Non-acknowledgeable
1
Alarm condition is present.
Relay (b) is energized and symbol (b) is active.
LED (c) starts flashing.
2
Alarm condition cleared.
Relay (b) and symbol (b) are reset without acknowledging.
LED (c) is off without acknowledging.
Non-latching
Acknowledgable,
1
2 3
a
b
c
d
1
2
3
a
b
c
d
1
2
3
a
b
c
d
1
2
a
b
c
d
Содержание Polytron 8100
Страница 2: ......
Страница 3: ...1 5 4 3 2 5 1 4 3 10 7 8 9 2 6 3 4 5 2 1 3 9 5 2 1 14 13 3 4 5 6 7 8 14 2 11 12 15 A B C D E...
Страница 4: ...1 2 3 4 1 2 1 2 3 4 1 2 VDC mA VDC mA F G I H J K L t s 1 1 mA 0 7 5 3 t s T 1 4 20 mA T 2 3 SAMPLE...
Страница 172: ...172 Dr ger Polytron 8100 1 1 1 Dr ger Dr ger Dr ger 6 196 Dr ger EN IEC 60079 1 II 1 5 5 1 5 6 1 5 7 2014 34 EC 1 2 i i...
Страница 174: ...174 Dr ger Polytron 8100 3 3 1 10 1 204 Hawke A501 421 A NPT NPT 10 9 210 20 7 12 4 8 55 C 25 C 5 7 3 174...
Страница 182: ...182 Dr ger Polytron 8100 4 5 1 4 3 OK OK OK OK 5 8 2 188 _ _ _ 1 _ _ _ 2 4 5 2 4 5 3 OK OK 4 5 4 OK 5 OK 3 3 2 2...
Страница 198: ...198 Dr ger Polytron 8100 6 2 3 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 OK 6 6 1 1 196 6 1 2 196 Dr ger H2S ppm 25 i i 15 i i...
Страница 201: ...Dr ger Polytron 8100 201 6 4 B 1 2 2 2 3 3 4 5 4 Dr ger 5 6 7 2 22 8 9 6 2 196 10 SIL 5 6 185 5 10 4 193 i i i i...
Страница 223: ...Dr ger Polytron 8100 223 4 5 2 4 5 3 OK OK 4 5 4 OK 5 OK 3 3 2 2...
Страница 239: ...Dr ger Polytron 8100 239 6 4 B 1 2 2 2 mm 3 3 4 5 4 Dr ger 5 6 7 2 22 8 9 235 6 2 10 SIL 225 5 6 233 5 10 4 i i i i...
Страница 250: ...250 Polytron 8100 Additional Approvals A 3 Control Drawings...
Страница 252: ...252 Polytron 8100 Additional Approvals A 4 Declaration of conformity...
Страница 253: ......