Mitsubishi G-50A Installation Manual Page 30
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(4) Recommended circuit example
(A)Level signal
* S
pecial local arrangements are required for the relay, DC power supply (DC 12V, or DC 24V), and extension cables, etc.
* Please limit extension of the connection cable to 10 meters. (Please use cables of 0.3mm
2
or more)
* Please cut off any unused cable close to the connectors and be sure to insulate the cut parts using tape, etc.
(B)Pulse signal
Start/stop and
emergency stop
X1
DC power supply
Red
Maximally
10m
Local arrangement board
1
5
6
7
8
9
CN2
G-50A
Orange
X1
Operation
Stop
Prohibition
Permission
X1
X1
X2
X3
X4
X2
X3
X4
DC power supply
Red
Maximally
10m
Local arrangement board
1
5
6
7
8
9
CN2
G-50A
Orange
Yellow
Blue
Gray
5.2.2 External output signal function
(1) External output
When at least one air conditioning unit is operating, a [Abnormality occurrence] signal is output when
abnormalities occur in at least one air conditioning unit.
(2) External input interface specifications
The external input interface specifications are outlined in Table 5-4.
Even during an [Abnormality occurrence], the [Operating] signal is output.
(3) Recommended circuit example
Table 5-4 External input interface specifications
CN2
No. 1
No. 2
No. 3
Lead wire
Green
Black
Brown
Details of each terminal
External output common ground (external DC power supply ground)
Start/stop
Irregular/regular
* For the relays (X1, X2), please use those with the following specifications.
* Operating coil: DC 12V, DC 24V, power consumption: 0.9W or less
* Please make special arrangement to adjust the DC power supply to DC 12V or DC 24V depending on the relay used.
* Please be sure to use diodes at both ends of the relay coil.
* Please limit extension of the connection cable to 10 meters. (Please use cables of 0.3mm
2
or more)
* Please cut off any unused cable close to the connectors and be sure to insulate the cut parts using tape, etc.
X1
X2
L1
L2
X1
D1
X2
D2
DC power supply
Maximally
10m
Local arrangement board
1
2
3
4
CN2
G-50A
Green
Black
Brown
Notice
● When using this device to start/stop or emergency stop the external input level, an
operation prohibition setting for the local remote controller is transmitted regardless of
whether function selection No. 4 is set for enabled or disabled of the prohibition setting.
Consequently, when using this device for start/stop or emergency stop of the external
input level, please do not perform any operation prohibition settings involving other
system controllers.
- Mitsubishi Electric 1
- Technical Manual 1
- 1. Safety Precautions 5
- 2. Outline of product 7
- 2.1 Function 8
- (2) Function list 9
- (3) Screen image 10
- (4) Explanation of icons 11
- (1) Features 11
- (3) Function list 13
- (4) Screen images 14
- (5) Explanation of icons 15
- 2.3 Products list 17
- EU:~220V-240V; 0.25A 50Hz 18
- US:~208V-230V; 0.25A 60Hz 18
- 2.3 kg / 5 18
- 3. System Design Flow 19
- 4. Step 1: 20
- 4.3.1 M-NET transmission line 21
- 5. Step 2: 24
- 5.1.5 Synchronized settings 28
- (1) External input 29
- (1) External output 30
- Operation Block 34
- Charge Block 34
- Table 6-4 PC specifications 36
- 6.2 About password control 37
- 6.3 About LAN 38
- (3) Switching hub 39
- 6.3.3 LAN wire length 39
- 7. Step 4: 40
- (2) What is charge? 45
- (1) Basic composition 48
- (2) Required materials 48
- (3) Setting items 49
- (3) Setting item 52
- (1) Basic configuration 53
- (4) TG-2000A 56
- (1) Standard charge 59
- (2) Air conditioner charge 59
- Manual input of reading 60
- (2) Unit price 61
- (3) Charge 61
- 8.5 Output of Charging Data 62
- 8.6 Charging Method 63
- 9.1 Outline 66
- 9.2.1 Energy saving control 67
- (3) Required materials 69
- 9.2.2 Peak cut control 70
- (1) Explanation of function 70
- Stopping control is on 72
- Office A 74
- Group 1 Group 2 74
- Group 5 Group 6 74
- Group 3 Group 4 74
- (1) Measuring instruments 75
- 11.2.3 PLC assignment 80
- 11.2.4 Required materials 80
- 11.2.5 Setting of TG-2000A 81
- 12.4 PLC Software 86
- QJ71E71-100 87
- 01234567 87
- 89ABCDEF 87
- 12.6 PLC Wiring Diagram 88
- Instrument and PC for Control 89
- (1) Setting of IP address 90
- (2) Setting of subnet mask 90
- (1) Setting of dialup router 93
- (2) Network setting of G-50A 93
- Pi! Pi! 94
- (1) Switching hub 96
- (2) Optical media converter 96
- (3) Optical cable for LAN 96
- 14.1.1 Outline 97
- 14.2.1 Outline 99
- 14.2.5 Graphing trend data 103
- 15. Initial Setting Tool 104
- 15.2.2 Connection to G-50A 106
- 16. Other function 107
- 16.1.1 Auto-changeover mode 108
- Contents effective Dec. 2003 109
- ● Suwanee, Georgia 30024 110
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