SMC Networks HECR Series Manual page 17

Dimensions
HECR006-A5
Ventilation hole (air outlet)
Power supply connector
144
129
118
105
10
0
Ventilation hole (air outlet)
Display/Operation panel
10
139.7
134
38
0
1. Power supply connector
IEC60320 C14 (or equivalent)
Pin no. Signal contents
N 100-240 V AC
L 100-240 V AC
E PE
2. Communication connector
D-sub 9 pin (socket)
Holding screw: M2.6
Signal contents
Pin no.
RS-232C RS-485
1 Unused BUS+
2 RD Unused
3 SD Unused
4 Unused Unused
5 SG SG
6-8 Unused Unused
9 Unused BUS–
Communication connector
External temperature sensor connector
Alarm output connector
Circulating fluid outlet
Rc 3/8
Ventilation hole (air inlet)
Label
Ventilation hole (air inlet)
Circulating water level gauge
Warning/Caution label
Air
430
Air
N L
E
2
3 1
4
5
9 6
8 7
Thermo-con/Rack Mount Type
Model no. label
144
124
23
0
Label
Circulating fluid inlet
(Circulating fluid drain port)
Rc 3/8
Power switch
Handle (for carrying the product)
176
151
139.7
125
105
38
10
0
Handle (for installing/removing the product to/from the rack)
Caution label/Electricity
27
3. External temperature sensor connector/Alarm output connector
D-sub 15 pin (socket)
Holding screw: M2.6
Pin no. Signal contents
1-2 Unused
3 Terminal A of resistance temperature detector
4 Terminal B of resistance temperature detector
5 Terminal B of resistance temperature detector
Contact a for output cutoff alarm
6
(open when alarm occurs)
7 Common for output cutoff alarm
Contact b for output cutoff alarm
8
(closed when alarm occurs)
Contact a for upper/lower temp. limit alarm
9
(open when alarm occurs)
10 Common for upper/lower temp. limit alarm
Contact b for upper/lower temp. limit alarm
11
(closed when alarm occurs)
12-14 Unused
15
Series
Tank lid (with gasket)
6
7
8
15
14
Connection diagram of
resistance temperature sensor
FG
HECR
Fluid fill port
4 3
5 2
1
9
10
13 12 11
3
4
5
16