User Manual

Table Of Contents
48-7009-E 3-18
4) Input: K thermocouple, output 1: SSR drive voltage, output 2: relay contact output and single phase 100
V (heating/cooling control)
Temperature sensor
(K thermocouple)
Configuration example
(Example) TTM-205
External
relay
Refriger-
ator
Heater
Power
supply
Connection configuration
* SSR may be shorted out due to its internal failure. The use of temperature
fuses or an over-temperature prevention device is recommended to cut off
the output circuit of SSR.
K
thermocouple
* Take care when wiring,
as thermocouple has
polarity of “+” and “-.
Refriger-
ator
External
relay
Heater
TRS1245
Power
supply
Terminal description for the above wiring example
Terminal
No.
Description
Terminal
No.
Description
Power supply
Output 3
Output 4
Not used in this case.
Output 1
-” side
21
“+” side
22
Input
Not used in this case.
Output 2
Common
23
-” side
Normal open
24
“+” side
Output 5
Not used in this case.
25
This terminal is not used.
26
Communication
Not used in this case.
Output 6
Not used in this case.
27
28
DI input
Not used in this case.
Output 7
Not used in this case.
29
30
CT input
Not used in this case.
31
32
33
34
AI input
Not used in this case.