Atest Gaz Sigma Control L, User Manual

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Default configura on for Sigma Control L Unit is presented below (see table 2).
I/O configura!on / Parameters Func!on / Parameter
No. of detectors 1
Relay outputs R1 Warning 1 (no delay on/off, normally open NO)
R2 Warning 2 (no delay on/off, normally open NO)
R3 Alarm (no delay on/off, normally open NO)
Op cal beacon ac ve (sustained)
Acous c indicator – deac va on me 30 s
DI External alarm
Internal buzzer ON Deac va on me for alarm – 10 min
Deac va on me for fault – 8 h
GTW seNngs
1
Address: 1
Protocol: Modbus RTU
Baud rate: 19200
Parity: No parity bit (N)
No. of bits: 8
Password Level 1 1000
Level 2 2000
Table 2: Sigma Control L Unit default configura!on
4.1 Relay output fault
The Control Unit is provided with one relay fault output. This output can operate in one of the two statuses:
closed – when there is no fault in gas detec on system, or open – when at least one fault has been detected
on one of the system devices or, when power supply is missing. Contact status is presented in figure
4:
Figure 4: Fault relay contact status
Input status can be observed on the user’s interface (see sec on 5.7). Specifica ons – see sec on 10.
1 A er installing the Addi onal Extension Module
p. 10|37
User's Manual: POD-026-ENG R11
No fault
NO
NC
COM
F2
F1
Fault
NO
NC
COM
F2
F1