TOHO ELECTRONICS TTM200 User Manual
Page 40
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
①
Power supply
⑲
Output 3
Output 4
Not used in this case.
②
⑳
③
Output 1
“-” side
○
21
④
“+” side
○
22
Input
Not used in this case.
⑤
Output 2
Common
○
23
“-” side
⑥
Normal open
○
24
“+” side
⑦
Output 5
Not used in this case.
○
25
This terminal is not used.
⑧
○
26
Communication
Not used in this case.
⑨
Output 6
Not used in this case.
○
27
⑩
○
28
DI input
Not used in this case.
⑪
Output 7
Not used in this case.
○
29
⑫
○
30
⑬
CT input
Not used in this case.
○
31
⑭
○
32
⑮
○
33
⑯
○
34
⑰
AI input
Not used in this case.
⑱