| Item |
Specifications |
| Product Number |
GA-311 |
| Part Number |
GA-311 |
| Applicable sensor head |
GH-□SE |
| Supply voltage |
12 to 24 V DC ± 10 % Ripple P-P 10 % or less |
| Current consumption |
25 mA or less |
| Output |
NPN open-collector transistor
・Maximum sink current: 100 mA (50 mA, if five, or more, amplifiers are connected in cascade.)
・Applied voltage: 30 V DC or less (between sensing output and 0 V)
・Residual voltage: 1 V or less [at 100 mA (at 50 mA, if five, or more, amplifiers are connected in cascade) sink current.] |
| Output:Output operation |
Switchable either Normally open or Normally closed |
| Output:Short-circuit protection |
Incorporated |
| Max. response frequency |
3.3 kHz |
| Operation indicator |
Orange LED (lights up when the output is ON) |
| Disconnection alarm indicator |
Red LED (lights up when the sensor head cable is disconnected or misconnected) |
| Sensitivity adjuster |
18-turn potentiometer |
| Ambient temperature |
-10 to +60 ℃ +14 to +140 ℉ (If 4 to 7 units are connected in cascade : -10 to +50 ℃ +14 to +122 ℉, if 8 to 16 units are connected in cascade: -10 to +45 ℃ +14 to +113 ℉)
(No dew condensation or icing allowed),
Storage: -20 to +70 ℃ -4 to +158 ℉ |
| Ambient humidity |
35 to 85 % RH, Storage: 35 to 85 % RH |
| Voltage withstandability |
1,000 V AC for one min. between all supply terminals connected together and enclosure |
| Insulation resistance |
20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure |
| Vibration resistance |
10 to 150 Hz frequency, 0.75 mm 0.030 in double amplitude in X, Y and Z directions for two hours each |
| Shock resistance |
100 m/s2 acceleration (10 G approx.) in X, Y and Z directions three times each |
| Temperature characteristics |
Within ±5 % |
| Material |
Enclosure: Heat-resistant ABS,
Cover: Polycarbonate |
| Connecting method |
Connector
(Note：The cable for amplifier connection is not supplied as an accessory. Make sure to use the optional quick-connection cable given below.
Main cable (3-core): CN-73-C1 (cable length 1 m 3.281 ft), CN-73-C2 (cable length 2 m 6.562 ft), CN-73-C5 (cable length 5 m 16.404 ft)
Sub cable (1-core): CN-71-C1 (cable length 1 m 3.281 ft), CN-71-C2 (cable length 2 m 6.562 ft), CN-71-C5 (cable length 5 m 16.404 ft)) |
| Cable length |
Total length up to 100 m 328.084 ft (if 5 to 8 units are connected in cascade: 50 m 164.042 ft,
if 9 to 16 units are connected in cascade: 20 m 65.617 ft) is possible with 0.3 mm2, or more, cable. |
| Weight |
Net weight: 15 g approx.,
Gross weight: 40 g approx. |
