SMC Networks HRS Series - Page 34

DOC1001322
Chapter 3 Transport and Setting Up
3.3 Installation HRS Series
3-18
Table 3.3-3 Contact input/output/ analog output communication specification
Item
Specification
Contact
input
signal1,2,3
Electrical isolation
Photo coupler
・Run/Stop signal
・External switch signal
・Operation mode request signal
(Contact input 3 fixed)
Rated input
voltage
DC24V
Operating voltage
range
DC21.6V to 26.4V
Rated input
current
5mA TYP
Input impedance
4.7kΩ
Contact output
signal
1,2,3,4,5,6
Rated load
voltage
AC48V or less /
DC30V or less
・Signal of operating status
・Alarm signal
・TEMP READY signal etc. 2
Maximum load
current
AC/DC 800mA or less 1
Minimum load
current
DC5V 10mA
Analog output
signal 1,2
Output voltage range
0V to +10V
・Circulating fluid discharge
temperature
・Circulating fluid electrical
conductivity 3
Maximum output current
10mA
Maximum accuracy
±0.4%F.S. or less
DC24V output voltage
DC24V±10% 200mA MAX 1
(It cannot be used for inductive load.)
1 The total load current must be 800 mA or less. To use the power from the device, the total load current
must be 200 mA or less.
2 Refer to “3.3.6 Wiring of the contact output signal”
3 For option D “With electrical conductivity control”, it can be set.