HARDWARE MANUAL Document reference MAMPS-HW/E
VM600 machinery protection system (MPS) Edition 18 - March 2022
9-28
Connecting speed sensors
CONFIGURATION OF MPC4 / IOC4T CARDS
9.3.4.3 Voltage-modulated signal with power supply and safety barrier unit
Applies to the following transducers or transducer and signal conditioner systems:
• TQ4xx + IQS45x + GSVxxx power supply and safety barrier unit.
Notes
1- Switch Sw1 is open to allow voltage-modulated signals to be processed.
The Signal Transmission Mode field has to be set to the Voltage option.
2- The operator must connect an external power supply to terminals 1 and 2 of the GSVxxx
power supply and safety barrier unit.
3- The sensor power supply is always set to −27.2 V.
Figure 9-21: Connection diagram
Sensor
power
supply
SPEED
INPUT
External
power
supply
(−27.2 V only)