Standstill Monitoring Unit
G9SX-SM
Sensor-less Monitoring of Standstill for Machines with Long Inertia
Ratings
Power input
Model | G9SX-SM032-[] |
Rated supply voltage | 24 VDC |
Operating voltage range | -15% to 10% of rated supply voltage |
Power consumption * | 4 W max. |
* Power consumption of loads not included.
Inputs
Model | G9SX-SM032-[] |
Rated Input voltage | Standstill detection input (between Z1 and Z2 and between Z3 and Z4) *1 480 VAC max. (120Hz max.) *2 |
Internal impedance | Standstill detection input: Approx. 660 kΩ EDM input: Approx. 2.8 kΩ *3 |
*1. Input the motor phase-to-phase voltage between Z1 and Z2 and between Z3 and Z4.
*2. When a motor with AC240V or more is used, connect neutral point of the power supply to earth.
*3. Use a contact that is applicable to microloads (24 VDC, 5 mA) for connection to the EDM input.
*2. When a motor with AC240V or more is used, connect neutral point of the power supply to earth.
*3. Use a contact that is applicable to microloads (24 VDC, 5 mA) for connection to the EDM input.
Outputs
Model | G9SX-SM032-[] |
Safety standstill detection output * 1 | Source output (PNP), load current: 0.3 A DC max. * 2 |
Auxiliary output (output monitor/error) | Source output (PNP), load current: 100 mA DC max. |
*1. While safety standstill detection outputs are in the ON state, the following pulse signal is output continuously for output circuit diagnosis. When using the safety standstill detection outputs as input signals to control devices (i.e. Programmable Controllers), consider the pulse signal shown below.
*2. The following derating is required when Units are mounted side-by-side.
G9SX-SM032-[]: 0.2 A max. load current
G9SX-SM032-[]: 0.2 A max. load current
Characteristics
Model | G9SX-SM032-[] | |
Over-voltage category (IEC/EN 60664-1) | III | |
Response time (Standstill detection ON to OFF) | 50 ms max. | |
Detection voltage (Standstill detection voltage) | Standard Configuration: 10 mV max. User Configuration: 100 mV max. | |
ON-state residual voltage | 3.0 V max. (Safety standstill detection outputs and auxiliary outputs) | |
OFF-state leakage current | 0.1 mA max. (Safety standstill detection outputs and Auxiliary outputs) | |
Maximum cable length for standstill detection inputs and EDM inputs | 100 m max. (External connection impedance: 100 Ω max. and 10 nF max.) | |
Insulation resistance | Between standstill detection inputs (Z1,Z2⇔Z3,Z4) | 100 MΩ min., 500 VDC megger |
Between standstill detection input terminals connected together and other input and output terminals connected together | ||
Between all terminals without standstill detection input terminals connected together and DIN rail | ||
Between standstill detection input terminals connected together and DIN rail. | ||
Dielectric strength | Between standstill detection inputs (Z1,Z2⇔Z3,Z4) | 2,000 VAC for 1 min. |
Between standstill detection input terminals connected together and Power supply input terminals and other input and output terminals connected together | 2,200 VAC for 1 min. | |
Between all terminals without standstill detection input terminals connected together and DIN rail | 500 VAC for 1 min. | |
Between standstill detection input terminals connected together and DIN rail. | 2,200 VAC for 1 min. | |
Vibration resistance | Frequency: 10 to 55 to 10 Hz, 0.375-mm single amplitude (0.75-mm double amplitude) | |
Mechanical shock resistance | Destruction | 300 m/s2 |
Malfunction | 100 m/s2 | |
Ambient temperature | -10 to +55 °C (no icing or condensation) | |
Ambient humidity | 25% to 85% | |
Degree of protection | Terminal block : IP20, Main body : IP40 | |
Terminal tightening torque * | 0.6Nm | |
Weight | Approx. 200 g | |
* For G9SX-SM032-RT (with screw terminals)