HRX-OM-W069
Chapter 2 Contact input/output communication /Analog output communication
2.2 Communication specification
HRL Series
2-4
Fig.2-1
Circuit diagram
Power supply usage example
Analog output 1 : CH2 Circulating fluid discharge temperature
This product side
Customer system side
DC24V
+
-
-15V
100
Ω
ANALOG COM
24COM
Contact output 1 : Operation status
1
24COM
DC +24V(output)
4.7k
Ω
4.7k
Ω
4.7k
Ω
+15V
+
-
-15V
100
Ω
+15V
ANALOG COM
Internal
circuit
14
3
16
4
6
19
7
20
8
15
5
18
11
23
10
22
Contact output 2 : "FLT"
Contact output 3 : "WRN"
Contact output 4 : OFF
Contact output 5 : OFF
(Momentary)
Run
／
Stop
Operation mode request
［
Warning when an alarm occurs OFF]
［
Fault when an alarm occurs OFF]
［
Operation ON]
Contact output 6 : OFF
2
DC24V
DC +24V(input)
EXT DC24V
EXT 24COM
Power
supply
Analog output 2 : CH2 Circulating fluid electric conductivity
External switch
24COM(output)
Contact output 1-5 common
Contact output 6 common
Analog output1common
Analog output 2 common
When using this product's power supply,
connect pin 1 to pin 2 and the COM side
of each contact input signal to pin 14.
When using a customer's power
supply, connect the 24V DC +
side to pin 2 and the COM side
of each contact input signal to
the customer's power COM.
DC24V
1
14
3
2
1
14
3
2
Power
supply
DC24V
24COM
4
3
4
This product power
supply
usage example
Customer power supply usage example
