SMC Networks HRSH090 Series, Руководство по эксплуатации

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HRX-OM-R026
Chapter 9 Documents
HRSH Series 9.1 Specifications
9-7
9.1.6 Communication specification

Regarding the communication specification, refer to the operation manual
communication function, HRX-OM-R028.

Contact input/output
Table 9-6 Specifications List
Item Specification
Connector type M3 terminal block
Contact input
signal
Insulation method Photo coupler
Rated input voltage DC24V
Input voltage range DC 21.6V to 26.4V
Rated input current 5mA TYP
Input impedance
4.7kΩ
Contact output
signal
Rated load voltage AC48V or less/DC30V or less
Maximum load current AC/DC 500mA (Resistance load)
Minimum load current DC5V 10mA
DC24V power supply output DC24V±10% 500mA MAX (No inductive load)
Circuit
structure
diagram
4.7k
Ω
In
te
rn
a
l c
irc
u
it
DC24V
24VCOM
1k
Ω
4.7k
Ω
1k
Ω
---
0
8
1
9
2
10
3
11
4
12
13
14
15
7
5
6
DC24V output
(500mA MAX)
*2
24VCOM output
Contact output signal 3
Contact input signal 1
Contact output signal 1
Contact output signal 2
Contact input signal 2
Alarm status signal output
Run/stop signal input
Operation status signal output
Remote status signal output
Thermo-chiller side Cuctomer's equipment side
Signal description Default setting
*1
*1 The pin numbers and output signals can be set by user. For details, refer to the [5.19 Communication function].
*2 When using with optional accessories, depending on the accessory, the allowable current of 24 VDC devices will be reduced.
Refer to the operation manual of the optional accessories for details.

Serial communication
Table 9-7 Specifications
Item Specification
Connector type (for this product) D-sub9 pin Female connector(Mounting screw: M2.6
ｘ
0.45)
Protocol Modicon Modbus standard / Simple communicationprotocol
Standard EIA RS-485 EIA RS-232C
Circuit structure diagram
1
5
9
int
e
rn
a
l
c
irc
u
it
This product Your system
SD+
SG
SD-
2
3
5
int
e
rn
a
l
c
irc
u
it
This product Your system
RD
SD
SG