LS Industrial Systems GLOFA G7M-DR30U - RTD Input Module

Chapter 7. Usage of Various Functions
7-70
7.2.5 RTD input module
1) Performance specification
The performance specifications of the RTD input module are following.
Item Specifications
Connectable RTD
Pt 100 (JIS C1640-1989, DIN 43760-1980)
JPt100 (KS C1603-1991, JIS C1604-1981)
Temperature input
range
Pt 100: -200 ~ 600 (18.48 to 313.59℃ Ω)
JPt100: -200 ~ 600 (17.14 to 317.28℃ Ω)
Digital output
Digital conversion value: 0 ~ 4,000
Detected temperature value: -2000~6000(one digit after point X 10)
Burn out detection
Three wires at every channel has detection function respectively
A
ccurac
y
±0.5%
[
Full Scale
]
Maximum conversion
speed
40 scan / all channel
Temperature input point 4 channel / 1 module
No. of module
installation
Max. 3 modules
Insulation
Photo-coupler insulation between the input terminal and the PLC power
supply (non-insulation between channels)
Connection terminal
block
2 of 8 points terminal
Current consumption
25 ㎃
Voltage DC 21.6 26.4V ∼
External power
supply
Current
70 ㎃
Weight 240g
2) Names of parts and functions
No. Name Function
① RUN LED
Indicates the operating status of G7F-
RD2A.
②
RTD input
terminal
Terminal which connects Pt100 or JPt100
③
External power
input terminal
Supply external voltage DC 24V
④ Extension cable
This cable is used to connect while RTD
input module is used.
④
Extension cable
connector
The connector connects extension cable
when extended module is used.
③
②
①
④
②
⑤
24V
B
A
b
·
B
A
b
·
A
b B
A
b
24
G
G7F-RD2A
PROGRAMMABLE
LOGIC
CONTROLLER
CH2
CH3
Input
CH0
CH1
PWR
B