MKS 41A - Electrical Information; Type D Connector; Table 4: Pinout of the 9-Pin Type D Connector

Chapter Two: Installation Electrical Information
11
Electrical Information
The 41/42/51/52 switches require an external power supply capable of supplying either
10 to 20 VDC @ 35 mA maximum or 20 to 30 VDC @ 30 mA maximum.
Type “D” Connector
The pressure switch is available with a 9-pin male Type “D” connector. The connector pinout is
listed in Table 4.
Pinout of the 9-Pin Type “D” Connector
Pin Number Assignment
1 Power Return (-)
2 Power Input (+)
3 Relay Normally Open Contact
4 Relay Common
5 Relay Normally Closed Contact
6 Reserved
7 Reserved
8 Reserved
9 Chassis Ground
Table 4: Pinout of the 9-Pin Type “D” Connector
Note
The “Reserved”
p
in assi
g
nment refers to a
p
in with an internal connection
that may be assigned a function in the future.