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G9SX-LM
Low-speed Monitoring Function Ensures Safety for Maintenance Work
Data Sheet (2647KB)
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Ratings and Specifications
Power input
| Model | G9SX-LM224-[] | G9SX-EX401-[] |
| Rated supply voltage | 24 VDC | |
| Operating voltage range | -15% to +10% of rated supply voltage | |
| Power consumption * | 5 W max. | 2 W max. |
*Power consumption of loads not included.
Inputs
| Model | G9SX-LM224-[] |
| Safety input Enabling input Feedback/reset input Mode selector input | Operating voltage: 20.4 VDC to 26.4 VDC Internal impedance: Approx. 2.8 kΩ * |
| Rotation detection input | Operating voltage: 20.4 VDC to 26.4 VDC Internal impedance: Approx. 2.8 kΩ * Frequency input range: 1 kHz max. |
*Provide a current equal to or higher than that of the minimum applicable load of the connected input control device.
Outputs
| Model | G9SX-LM224-[] |
| Safety instantaneous output *1 | Source output (PNP compatible) Load current: 0.8 A DC max. * 2 |
| Safety speed detection output *1 | Source output (PNP compatible) Load current: 0.3 A DC max. |
| Auxiliary output | Source output (PNP compatible) Load current: 100 mA DC max. |
*1.While safety instantaneous outputs and safety speed detection outputs are in the ON state, the following pulse signal is output continuously for output circuit diagnosis.
When using these safety 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-LM[]: 0.4 A DC max. load current
Expansion Unit
| Model | G9SX-EX-[] |
| Rated load | 250 VAC, 3A /30 VDC, 3A (resistive load) |
| Rated carry current | 3A |
| Maximum switching voltage | 250 VAC, 125 VDC |
Characteristics
| Model | G9SX-LM224 | G9SX-EX401 | |
| Over-voltage category (IEC/EN60664-1) | II | II (Safety relay outputs 13 to 43 and 14 to 44: III) | |
| Safety instantaneous output operating time (OFF to ON state) *1 *2 | 50 ms max. (Safety input: ON, Enabling input: ON) 100 ms max. (Logical AND connection input: ON) | 30 ms max. * 5 | |
| Safety instantaneous output response time (ON to OFF state) *1 | 15 ms max. | 10 ms max. *5 | |
| Allowable time for switching Mode selector inputs *3 | 450 ms max. | -- | |
| Mode selector input response time *4 | 50 ms max. | -- | |
| ON-state residual voltage | 3.0 V max. (safety instantaneous outputs, safety speed detection outputs, and auxiliary outputs) | ||
| OFF-state leakage current | 0.1 mA max. (safety instantaneous outputs, safety speed detection outputs, and auxiliary outputs) | ||
| Maximum cable length for logical connection inputs and Safety inputs | 100 m max. (External connection impedance: 100 Ω max. and 10 nF max.) | ||
| Reset input time | 100 ms min. | ||
| Accuracy tolerance of low speed detection frequency | Within minus 10% of the set value | -- | |
| Insulation resistance | Between logical AND connection terminals, and power supply input terminals and other input and output terminals connected together | 20 MΩ min., 250 VDC megger | -- |
| Between all terminals connected together and DIN rail | 100 MΩ min., 500 VDC megger | ||
| Dielectric strength | Between logical AND connection terminals, and power supply input terminals and other input and output terminals connected together | 500 VAC for 1 min | -- |
| Between all terminals connected together and DIN rail | 1,200 VAC for 1 min | ||
| Between different poles of outputs | -- | 1,200 VAC for 1 min | |
| Between safety relay outputs connected together and other terminals connected together | 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 | ||
| Durability | Electrical | -- | 100,000 cycles min. (rated load, switching frequency: 1,800 cycles/hour) |
| Mechanical | -- | 5,000,000 cycles min. (switching frequency: 7,200 cycles/hour) | |
| Ambient temperature | -10 to 55°C (no icing or condensation) | ||
| Ambient humidity | 25% to 85% | ||
| Terminal tightening torque * 6 | 0.6 Nm | ||
| Weight | Approx. 240 g | Approx. 165 g | |
*1.When two or more Units are connected by logical AND, the operating time and response time are the sum total of the operating times and response times, respectively, of all the Units connected by logical AND.
*2.Represents the time required to turn ON safety instantaneous outputs when required conditions are met.
*3.Represents the time allowed for switching mode selector inputs. If it exceeds 450 ms, G9SX-LM[] will detect it as a failure.
*4.Represents the time required for safety inputs/enabling inputs to be switched following a switch of mode selector inputs.
*5.The value of the operating time and response time of the connected Low-speed Monitoring Unit is not included.
*6.For the G9SX-[]-RT (with screw terminals)
Logical AND Connection
| Model | G9SX-LM224 | G9SX-EX401-[] |
| Number of Units connected per logical AND output | 4 units max. | -- |
| Total number of Units connected by logical AND * | 20 units max. | -- |
| Number of Units connected in series by logical AND | 5 units max. | -- |
| Max. number of Expansion Units connected | -- | 5 units max. |
| Maximum cable length for logical AND input | 100 m max. | -- |
*The number of G9SX-EX401-[] Expansion Units not included.
Caution: In the interenst of product improvement, specifications are subject to change without notice.
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