Yaskawa MP920 Communications Module - Manual (Page 218)

8.4 Connection to a Temperature Controller
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8.4.4 Temperature Controller Settings
The following table shows the switch settings for the SR-Mini Temperature Controller.
Bit 1 OFF Always OFF
Bit 2 OFF Always OFF
Bit 3 ON Set according to the transmission speed
Bit 4 ON Set according to the transmission speed
Bit 3 Bit 4 Transmission Speed
OFF OFF 2,400 bps
OFF ON 4,800 bps
ON OFF 9,600 bps (factory default setting)
ON ON 19,200 bps