TS 21 I-HC User Manual
Vighnaharta Technologies Pvt. Ltd
Page
7
of
19
Front panel of typical TS21I HC is shown as below.
Users may connect interfacing devices at current or voltage output. Unit provides current output
from 4mA to 20mA and voltage between 0 to 5 or 10 volts.
Relay Settings:
TS 21 I-HC has two relay outputs.
Relay1 for low alarm condition and Relay2 for high alarm condition.
User can use it as a NO or NC type output using the respective jumper adjustments. User can set
relay output type for both relays as PULSE type or LATCH type.
Pulse type output: Relay trips for 5 sec and comes back to its previous state.
Latch type output: Relay remains latched till the unit is reset.
If unit is connected to a Gas Detection Panel,
using MODBUS communication, the Gas Detection
Panel gives an alert depending on the status of TS 21 I-HC.