Atest Gaz Alpa MOD LED8, Руководство пользователя

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4 Electric interface
Figure 2: Electric connections
No. Name Terminal Description
1 Supply Device supply port. Parameters – see table 6
+ Positive supply pole
- Negative supply pole
2 DI1 – 2 Digital inputs, see section 6.4. Parameters – see table 6
+ Positive digital input terminal
- Negative digital input terminal
3 R1 – R4 Relay outputs, see section 6.4
COM Common terminal of relay
NO Normally open contact of relay
NC Normally closed contact of relay
4 Output OC OC voltage outputs
OC- Negative common terminal OC outputs
OC1+ Positive OC1 output terminal
OC2+ Positive OC2 output terminal
5 RS485 RS 485 input
RS- Signal line RS-
RS+ Signal line RS+
- Signal ground
6 1 – 8 gas detectors Gas detectors current input
+ Gas detectors positive supply pole
S Gas detectors signal terminal
- Gas detectors negative supply pole
Table 2: Electric interface description
s. 7|15
User Manual: POD-006-ENG R03
6 1 2 3
- S + - S + - S + - S + + - - + - + NC NO COM NC NO COM
DETECTOR 4 DETECTOR 3 DETECTOR 2 DETECTOR 1 POWER DI2 DI1 R4 FAILURE
R3 LATCHED ALARM
DETECTOR 5 DETECTOR 6 DETECTOR 7 DETECTOR 8 RS485 W AL.
R1 WARNING
R2 ALARM
+ S - + S - + S - + S - RS- RS+ - OC- OC1+ OC2+ COM NO NC COM NO NC
6 5 4 3