Provib Tech VS102 User Manual - page 9
VS102 Electronic Vibration Switch
ProvibTech
8
VS102 Operation
VS102 display and status
VS102 will have status indication:
9 BUF: Buffered output.
9 OK: green/red LED. Normally green. With not OK or no power supply, the LED is off. In bypass
mode, the LED is red.
9 ALERT: yellow LED
9 DANGER: red LED
VS102 field controls
9 Reset: There are two ways to perform reset: 1. by pressing RESET/SET button; 2. by pressing
Local button; there is a lever on the instrument cover, whose being pressed will cause the alarm
reset. Note: It works only when the measured variable is less than the alarm set-point.
9 Remote reset / Bypass: Brief short the RST/BYP pin to COM will reset the system. Continue
short the RST/BYP pin to COM will disable the alarms to realize bypass.
9 Buffered output: a raw signal can be accessed by the BUF pin. There is 100 ohms output
impedance. The output can drive up to 300 meters (1000 ft) in distance between a condition
monitoring system and VS102.
9 Alarms: User could select it as per category (Dual SPDT Relays Single SPDT Relay Single
SPST Triac, NO Dual SPST Triacs, NO Single SPST Triac, NC Dual SPST Triacs, NC)
9 Power input: VS102 can be configured to work with either high voltage (95 to 250 VAC) or low
voltage (22 to 30 VDC).
VS102 zero and alarm set-point configuration
VS102 can be field configured with zero and alarms set-points.
9 Power
on
9 Connect a ampere meter to the 4-20mA terminal
9 Zero adjust: hold down RESET/SETET button for 10s, OK LED and Alert LED flash and the
instrument changes into 4mA calibration mode. Pressing + or – button to make the instrument
output a current of 4mA. Press RESET/SET button again, ALERT LED flash. Three seconds
later, press RESET/SET button again and DANGER LED flash. Three seconds later, press
RESET/SET button again and OK LED, ALERT LED and DANGER LED flash. At last, press
RESET/SET button to withdraw from zero calibration mode.