HRL
Series
Dual Channel Refrigerated Thermo-chiller for Lasers
Communication Functions
Contact Input/Output, Analog Output Pin Nos.
Pin no.
Application
Division
Default setting
1
24 VDC output
Output
—
2
24 VDC input
Input
—
3
Contact input signal 1
Input
Run/Stop
∗
1
4
Contact input signal 3
Input
Operation mode request signal (fix)
∗
2
5
Contact output signal 6
Output
OFF
∗
1
6
Contact output signal 1
Output
Run status signal [N.O. type] (fix)
∗
2
7
Contact output signal 3
Output Operation continuation “WRN” alarm signal [N.C. type] (fix)
∗
2
8
Contact output signal 5
Output
OFF
∗
1
9
None
—
Cannot be connected
∗
3
10
Analog output signal 2
Output
CH2 electric conductivity
∗
1
11
Analog output signal 1
Output
CH2 circulating fluid temperature
∗
1
12
None
—
Cannot be connected
∗
3
13
None
—
Cannot be connected
∗
3
14
24 COM output (Common of contact input signal) Output
—
15
Common of contact output signal 1, 2, 3, 4, 5
Output
—
16
Contact input signal 2
Input
External switch signal
∗
1
17
None
—
Cannot be connected
∗
3
18
Common of contact output signal 6
Output
—
19
Contact output signal 2
Output
Operation stop “FLT” alarm signal [N.C. type] (fix)
∗
2
20
Contact output signal 4
Output
OFF
∗
1
21
None
—
Cannot be connected
∗
3
22
Common of analog output signal 2
Output
—
23
Common of analog output signal 1
Output
—
24
None
—
Cannot be connected
∗
3
25
None
—
Cannot be connected
∗
3
∗
1 It is possible to change the setting.
∗
2 It is not possible to change the setting. (“N.O. type/N.C. type” can be changed.)
∗
3 Do not connect wiring.
D-sub 25-pin female (socket) type
25
14
13
1
17