MKS Stabil-Ion 370 Series, Instruction Manual, Page: 33 / 122

2 Initial Setup Procedures
2-13
Series 370 Stabil-Ion Instruction Manual - 370119
2.1.5.3 Selecting the Byte Format for RS-485 Communications
2.1.5.3.4 Baud Rate
Baud rate for the RS-485 communications is determined by the settings of switches S2.6, S2.7 and
S2.8. See Figure 2-15. Table 2-11, below, defines the baud rate base on the switch settings. The
factory default baud rate setting is 9600.
2.1.5.3.5 Character Framing for the RS-485 Computer Interface
Character framing for the RS-485 computer interface is determined by setting switches S2.3, S2.4,
and S2.5. See Figure 2-15. Table 2-12 below defines the character bits, parity, and stop bits based
on the switch settings. The factory default setting is S2.3 ON, S2.4
OFF
, and S2.5
OFF
- Character bits
set to 8, Parity None, and Stops bits at 1.
* factory setting
Table 2-11 Baud Rate Switch Settings
S2.6 S2.7 S2.8 Baud Rate
ON* ON* OFF* 9600*
ON OFF ON 4800
ON OFF OFF 2400
OFF ON ON 1200
OFF ON OFF 600
OFF OFF ON 300
OFF OFF OFF 150
Table 2-12 Character Framing Switch Settings
S2.3 S2.4 S2.5 Character Bits Parity Stop Bits
ON ON ON 8 None 2
ON ON OFF 8 Even 1
ON OFF ON 8 Odd 1
ON OFF OFF 8* None* 1*
OFF ON ON 7 Even 1
OFF ON OFF 7 Odd 1
OFF OFF ON 7 Even 2
OFF OFF OFF 7 Odd 2