- 13 -
3) Pressure loss in cooling water circuit
Fig. 7
Pressure loss
1
1
.
Communication
11-1.
Cautions for Communication
The writing limit is approx. 0.1 million times.
If the setting is performed via the communication function, pay attention to how many times the writing
has been done. Any set value input via the communication function is not stored.
If they need to be stored, use a storage request message.
11-2.
Communication
Details of the communication format can be found on the Operation Manual.
Table6
Communication
HEBC002-WA10
HEBC002-WB10
Protocol RS-485
RS-232C
Circuit type
Half duplex
Half duplex
Communication type
Asynchronous
Asynchronous
Communication speed (BPS) 1200/2400/4800/9600/19200 1200/2400/4800/9600/19200
Character code
ASCII
ASCII
Interface 2-wire
3-wire
Parity
Without /Odd/Even
Without /Odd/Even
Start bit
1 bit
1bit
Data length
7/8 bit
7/8 bit
Stop bit
1/2 bit
1/2 bit
BCC check
Disable/Enable
Disable/Enable
Address 1 to 99
1 to 99
The settings are as underlined at the time of shipment from the factory.
0
10
20
30
40
50
60
70
80
0
1
2
3
4
5
6
7
8
Cooling water flow rate
L/min
P
re
ssu
re
l
o
ss
kP
a
Ambient temperature
:
25
℃
Cooling water
:
Tap water
Cooling water temperature
:
25
℃