Honeywell Midas User Manual page 28

Diagram 4-11. Midas
J4
+supply
INT EXT
NC
J1
NO
11
NC
Relay2
10 J2
NO
9
NC
J3
NO
EXT INT
-supply 8
J5
7
6
5
4
3
2
+24 V
COM 1
RJ-45
MIDAS
Simplified Internal Schematic
J4
INT EXT
2
4-20 mA
+
Controlled
Internal
Current Source
Power
Loads
J5
-
EXT INT
1
to 5701 4-Wire Isolated Connection
®
Relay1
Relay3
}
}
}
DC
PWR
Shielded Cable
ON
SW
OFF
System 57
Relay/Field
Interface Card
35
11
28
10
29
9
36
4-12
Midas
®
Sieger System 57
Relay/Field Interface Card
05701-A-0326
05701-A-0327
05701-A-0328
05701-A-0329
05701-A-0330
29
35
5701 Card
Sensor Drive Module
Link Positions
5701 Control Card
Isolated Loop
Supply
~40 mA max
+
24
VDC
-
Transmitter
Supply
+
24
Sense
VDC
Resistor
-
Gas Detector
28
36
LK13
LK12
LK11
LK10
LK9
LK8
LK7
LK6
LK5
LK4
LK3
LK2
LK1