Time Relays
Enda - ETM742
Digital Time Relay
The ETM742 is a 2x4-digit digital electronic time relay with a single contact output for 9 different timing functions. Up/down time counting range, sensor type (PNP, NPN and encoder), memory and non-memory modes, functional reset, three-level parameter security and the preset value setting method are easily selected from the front-panel keypad. The time value, set value or time unit can be easily monitored on the 2x4-digit display.
Technical Specifications
Display and Keypad
- Time Display
- 4 digits, 14 mm, 7-segment red LED
- Keypad
- Micro switch
- Set Value Display (SV)
- 4 digits, 10 mm, 7-segment yellow LED
- OUT LED
- 1 red output LED
Housing
- Weight
- Approx. 210 g (with packaging)
- Housing Type
- Flush panel mounting with clamps
- Dimensions
- G72xY72xD97 mm
Electrical Characteristics
- Connection
- 2.5 mm² plug-in terminal block
- Operating Temperature °C
- 0...50 ºC
- Data Retention
- EEPROM (minimum 10 years)
- Power Consumption
- 7VA
- Scale
- 9 time ranges (from 0…99.99 seconds to 0…9999 hours)
- Supply Voltage
- 230 Vac +10% -20%, 50/60 Hz; 24 Vac ±10%, 50/60 Hz; 9-30 Vdc / 7-24 Vac ±10% SMPS module
- Accuracy
- ±0,1 ±20mS
Outputs
- Sensor Supply Output
- 12 Vdc, max. 50 mA (unregulated)
- Control Output
- 1 relay: 250 Vac, 2 A (resistive load), NO+NC; 1 open-collector output (30 Vdc, 100 mA)
Inputs
- Start Input
- These inputs can be set as PNP or NPN from the menu. Minimum pulse and gap duration is adjustable between 5 ms and 100 ms. Active level for PNP inputs is a 5 V to 30 V pulse; active level for NPN inputs is a voltage between 0 V and 2 V
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