Honeywell Midas User Manual page 29

Diagram 4-12. Midas
J4
+supply
INT EXT
NC
J1
NO
11
NC
10
J2
NO
9
NC
J3
NO
EXT INT
-supply 8
J5
7
6
5
4
3
2
+24 V
1
COM
MIDAS
Simplified Internal Schematic
J4
INT EXT
2
4-20 mA
+
Controlled
Internal
Current Source
Power
Loads
J5
-
EXT INT
1
to 5701 3-Wire Sourcing Connection
®
Relay1
Relay2
Relay3
}
}
}
DC
PWR
Shielded Cable
ON
SW
OFF
RJ-45
Relay/Field
Interface Card
27
11
10
28
9
29
4-13
Midas
Sieger System 57
Relay/Field Interface Card
05701-A-0326
05701-A-0327
05701-A-0328
05701-A-0329
05701-A-0330
System 57
5701 Control Card
Transmitter
+
Supply
24
VDC
-
Sense
Resistor
~170 Ohm
Gas Detector
®
27 28
29
5701 Card
Sensor Drive Module
Link Positions
LK13
LK12
LK11
LK10
LK9
LK8
LK7
LK6
LK5
LK4
LK3
LK2
LK1