Main
Part Number	TM200CE24R	TM200CE32R	TM200CE40R
Range of product	Easy Modicon M200	Easy Modicon M200	Easy Modicon M200
Product or component type	Logic controller	Logic controller	Logic controller
[Us] rated supply voltage	100…240 V AC	100…240 V AC	100…240 V AC
Discrete I/O number	24	32	40
discrete input number	I2…I5: 4 fast input	I2…I5: 4 fast input	I2…I5: 4 fast input
	I0, I1, I6, I7: 4 high speed input	I0, I1, I6, I7: 4 high speed input	I0, I1, I6, I7: 4 high speed input
	I8…I13: 6 regular input	I8…I19: 12 regular input	I8…I23: 16 regular input
discrete output number	10 relay	12 relay	16 relay
Discrete input voltage	24 V	24 V	24 V
Discrete input voltage type	DC	DC	DC
discrete input current	7 mA for input	7 mA for input	7 mA for input
		7 mA for fast input
		9 mA for high speed input
discrete input logic	Sink or source (positive/negative) type 1 conforming to EN/IEC 61131-2	Sink or source (positive/negative) type 1 conforming to EN/IEC 61131-2	Sink or source (positive/negative) type 1 conforming to EN/IEC 61131-2
discrete output voltage	24 V DC	24 V DC	24 V DC
discrete output voltage	220 V AC	220 V AC	220 V AC
discrete output current	2A	2 A for relay output	2A
Discrete output type	Relay normally open	Relay normally open	Relay normally open
power consumption in VA	52…64 VA at 100…240 V AC (with max I/O)	55…66 VA at 100…240 V AC (with max I/O)	59…69 VA at 100…240 V AC (with max I/O)
Complementary
maximum number of I/O expansion module	4 with 128 discrete output(s) for transistor output	4 with 76 discrete output(s) for relay output	4 with 128 discrete output(s) for transistor output
maximum number of I/O expansion module	4 with 74 discrete output(s) for relay output		4 with 80 discrete output(s) for relay output
Supply voltage limits	85…264 V	85…264 V	85…264 V
Network frequency	50/60 Hz	50/60 Hz	50/60 Hz
Inrush current	50 A	50 A	50 A
voltage state 1 guaranteed	>= 15 V for input	>= 15 V for input	>= 15 V for input
voltage state 0 guaranteed	<= 5 V for input	<= 5 V for input	<= 5 V for input
input impedance	3.3 kOhm for discrete input	3.3 kOhm for discrete input	3.3 kOhm for discrete input
response time	5 µs turn-off, I0, I1, I6, I7 terminal(s) for high speed input	10 ms turn-on, Q0…Q11 terminal(s) for output	5 µs turn-off, I0, I1, I6, I7 terminal(s) for high speed input
	5 µs turn-on, I0, I1, I6, I7 terminal(s) for high speed input	10 ms turn-off, Q0…Q11 terminal(s) for output	5 µs turn-on, I0, I1, I6, I7 terminal(s) for high speed input
	100 µs turn-off, I2…I5 terminal(s) for fast input	5 µs turn-off, I0, I1, I6, I7 terminal(s) for high speed input	100 µs turn-off, I2…I5 terminal(s) for fast input
	35 µs turn-on, I2…I5 terminal(s) for fast input	5 µs turn-on, I0, I1, I6, I7 terminal(s) for high speed input	35 µs turn-on, I2…I5 terminal(s) for fast input
	10 ms turn-off, Q0…Q9 terminal(s) for relay output	100 µs turn-off, I2…I5 terminal(s) for fast input	100 µs turn-off, I8…I13 terminal(s) for regular input
	10 ms turn-on, Q0…Q9 terminal(s) for relay output	35 µs turn-on, I2…I5 terminal(s) for fast input	35 µs turn-on, I8…I13 terminal(s) for regular input
	100 µs turn-off, I8…I13 terminal(s) for regular input	100 µs turn-off, I8…I13 terminal(s) for regular input	10 ms turn-off, Q0…Q15 terminal(s) for relay output
	35 µs turn-on, I8…I13 terminal(s) for regular input	35 µs turn-on, I8…I13 terminal(s) for regular input	10 ms turn-on, Q0…Q15 terminal(s) for relay output
		125 µs turn-off, I14…I19 terminal(s) for regular input	125 µs turn-off, I14…I23 terminal(s) for regular input
		55 µs turn-on, I14…I19 terminal(s) for regular input	55 µs turn-on, I14…I23 terminal(s) for regular input
configurable filtering time	0 ms for input	0 ms for input	0 ms for input
	3 ms for input	3 ms for input	3 ms for input
	12 ms for input	12 ms for input	12 ms for input
output voltage limits	30 V DC	30 V DC	30 V DC
output voltage limits	250 V AC	250 V AC	250 V AC
maximum current per output common	4 A at COM 2	4 A at COM 2	4A
	4 A at COM 0	4 A at COM 0
	4 A at COM 1	4 A at COM 1
electrical durability	100000 cycles AC-12, 240 V, 480 VA, resistive	100000 cycles AC-12, 240 V, 480 VA, resistive	100000 cycles AC-12, 240 V, 480 VA, resistive
electrical durability	100000 cycles DC-12, 24 V, 48 W, resistive	100000 cycles DC-12, 24 V, 48 W, resistive	100000 cycles DC-12, 24 V, 48 W, resistive
switching frequency	0.1 Hz with maximum load	0.1 Hz with maximum load	0.1 Hz with maximum load
mechanical durability	20000000 cycles for relay output	20000000 cycles for relay output	20000000 cycles for relay output
minimum load	10 mA at 5 V DC for relay output	10 mA at 5 V DC for relay output	10 mA at 5 V DC for relay output
memory capacity	512 byte internal flash for backup of programs	512 byte internal flash for backup of programs	512 byte internal flash for backup of programs
data storage equipment	32 GB micro SD card (optional)	32 GB micro SD card (optional)	32 GB micro SD card (optional)
battery type	BR2032 Li-CFx (Lithium-Carbon Monofluoride), battery life: 5 year(s)	BR2032 Li-CFx (Lithium-Carbon Monofluoride), battery life: 5 year(s)	BR2032 Li-CFx (Lithium-Carbon Monofluoride), battery life: 5 year(s)
backup time	3 years at 25 °C (by interruption of power supply)	3 years at 25 °C (by interruption of power supply)	3 years at 25 °C (by interruption of power supply)
execution time for 1 KInstruction	0.3 ms for event and periodic task	0.3 ms for event and periodic task	0.3 ms for event and periodic task
execution time per instruction	0.2 µs Boolean	0.2 µs Boolean	0.2 µs Boolean
exct time for event task	60 µs response time	60 µs response time	60 µs response time
clock drift	<= 90 s/month at 25 °C	<= 90 s/month at 25 °C	<= 90 s/month at 25 °C
regulation loop	Adjustable PID regulator up to 14 simultaneous loops	Adjustable PID regulator up to 14 simultaneous loops	Adjustable PID regulator up to 14 simultaneous loops
control signal type	Quadrature (x1, x2, x4) at 100 kHz for fast input (HSC mode)	Quadrature (x1, x2, x4) at 100 kHz for fast input (HSC mode)	Quadrature (x1, x2, x4) at 100 kHz for fast input (HSC mode)
	Pulse/direction at 100 kHz for fast input (HSC mode)	Pulse/direction at 100 kHz for fast input (HSC mode)	Pulse/direction at 100 kHz for fast input (HSC mode)
	Single phase at 100 kHz for fast input (HSC mode)	Single phase at 100 kHz for fast input (HSC mode)	Single phase at 100 kHz for fast input (HSC mode)
	CW/CCW at 100 kHz for fast input (HSC mode)	CW/CCW at 100 kHz for fast input (HSC mode)	CW/CCW at 100 kHz for fast input (HSC mode)
counting input number	4 fast input (HSC mode) at 100 kHz 32 bits	4 fast input (HSC mode) at 100 kHz 32 bits	4 fast input (HSC mode) at 100 kHz 32 bits
integrated connection type	USB port with mini B USB 2.0 connector	USB port with mini B USB 2.0 connector	USB port with mini B USB 2.0 connector
	Non isolated serial link serial 1 with terminal block connector and RS485 interface	Non isolated serial link serial 1 with terminal block connector and RS485 interface	Non isolated serial link serial 1 with terminal block connector and RS485 interface
	Non isolated serial link serial 2 with terminal block connector and RS232/RS485 interface	Non isolated serial link serial 2 with terminal block connector and RS232/RS485 interface	Non isolated serial link serial 2 with terminal block connector and RS232/RS485 interface
	Ethernet Modbus TCP/IP Ethernet with RJ45 connector and 1 Ethernet port 10/100BASE-T interface	Isolated serial link serial 2 with terminal block connector and RS485 interface	Ethernet Modbus TCP/IP Ethernet with RJ45 connector and 1 Ethernet port 10/100BASE-T interface
	Isolated serial link serial 2 with terminal block connector and RS485 interface		Isolated serial link serial 2 with terminal block connector and RS485 interface
transmission rate	1.2…115.2 kbit/s (115.2 kbit/s by default) for bus length of 15 m for RS485	1.2…115.2 kbit/s (115.2 kbit/s by default) for bus length of 15 m for RS485	1.2…115.2 kbit/s (115.2 kbit/s by default) for bus length of 15 m for RS485
	1.2…115.2 kbit/s (115.2 kbit/s by default) for bus length of 3 m for RS232	1.2…115.2 kbit/s (115.2 kbit/s by default) for bus length of 3 m for RS232	1.2…115.2 kbit/s (115.2 kbit/s by default) for bus length of 3 m for RS232
	12 Mbit/s for USB	12 Mbit/s for USB	12 Mbit/s for USB
	10/100 Mbit/s for bus length of 100 m for Ethernet Modbus TCP/IP		10/100 Mbit/s for bus length of 100 m for Ethernet Modbus TCP/IP
communication port protocol	USB port: USB – SoMachine-Network	USB port: USB – SoMachine-Network	USB port: USB – SoMachine-Network
	Non isolated serial link: Modbus master/slave – RTU/ASCII or SoMachine-Network	Non isolated serial link: Modbus master/slave – RTU/ASCII or SoMachine-Network	Non isolated serial link: Modbus master/slave – RTU/ASCII or SoMachine-Network
	Ethernet Modbus TCP/IP: Modbus TCP/IP client/server		Ethernet Modbus TCP/IP: Modbus TCP/IP client/server
local signalling	1 LED (green) for PWR	1 LED (green) for PWR	1 LED (green) for PWR
	1 LED (green) for RUN	1 LED (green) for RUN	1 LED (green) for RUN
	1 LED (red) for module error (ERR)	1 LED (red) for module error (ERR)	1 LED (red) for module error (ERR)
	1 LED (green) for SD card access (SD)	1 LED (green) for SD card access (SD)	1 LED (green) for SD card access (SD)
	1 LED (red) for BAT	1 LED (red) for BAT	1 LED (red) for BAT
	1 LED (green) for SL1	1 LED (green) for SL1	1 LED (green) for SL1
	1 LED per channel (green) for I/O state	1 LED per channel (green) for I/O state	1 LED per channel (green) for I/O state
	2 LEDs (green) for communication (LK/ACT 10/100)	1 LED per channel (green) for I/O state	2 LEDs (green) for communication (LK/ACT 10/100)
electrical connection	Mini B USB 2.0 connectorfor a programming terminal	Mini B USB 2.0 connectorfor a programming terminal	Mini B USB 2.0 connectorfor a programming terminal
	RJ45 connectorfor connecting Ethernet network	removable screw terminal blockfor inputs	RJ45 connectorfor connecting Ethernet network
	removable screw terminal blockfor inputs	removable screw terminal blockfor outputs	removable screw terminal blockfor inputs
	removable screw terminal blockfor outputs	removable screw terminal block, 4 terminal(s) for connecting the serial link1	removable screw terminal blockfor outputs
	removable screw terminal block, 4 terminal(s) for connecting the serial link1	removable screw terminal block, 3 terminal(s) for connecting the 100-240 V AC power supply	removable screw terminal block, 4 terminal(s) for connecting the serial link1
	removable screw terminal block, 3 terminal(s) for connecting the 100-240 V AC power supply		removable screw terminal block, 3 terminal(s) for connecting the 100-240 V AC power supply
maximum cable distance between devices	Unshielded cable: <50 m for input	Unshielded cable: <50 m for input	Unshielded cable: <50 m for input
	Shielded cable: <10 m for fast input	Shielded cable: <10 m for fast input	Shielded cable: <10 m for fast input
	Shielded cable: <10 m for high speed input	Shielded cable: <10 m for high speed input	Shielded cable: <10 m for high speed input
	Unshielded cable: <150 m for output	Unshielded cable: <150 m for output	Unshielded cable: <150 m for output
insulation	Non-insulated between inputs	Non-insulated between inputs	Non-insulated between inputs
	Between output and internal logic at 1780 V AC	Between output and internal logic at 1780 V AC	Between output and internal logic at 1780 V AC
	Between output groups at 1780 V AC	Between output groups at 1780 V AC	Between output groups at 1780 V AC
	Between supply and internal logic at 1780 V AC	Between supply and internal logic at 1780 V AC	Between supply and internal logic at 1780 V AC
	Between input and internal logic at 500 V AC	Between input and internal logic at 500 V AC	Between input and internal logic at 500 V AC
	Between fast input and internal logic at 500 V AC	Between fast input and internal logic at 500 V AC	Between fast input and internal logic at 500 V AC
	Between input groups at 500 V AC	Between input groups at 500 V AC	Between input groups at 500 V AC
sensor power supply	24 V DC at 250 mA supplied by the controller	24 V DC at 300 mA supplied by the controller	24 V DC at 300 mA supplied by the controller
Marking	CE	CE	CE
mounting support	Top hat type TH35-15 rail conforming to IEC 60715	Top hat type TH35-15 rail conforming to IEC 60715	Top hat type TH35-15 rail conforming to IEC 60715
mounting support	Top hat type TH35-7.5 plate or panel with fixing kit conforming to IEC 60715	Top hat type TH35-7.5 plate or panel with fixing kit conforming to IEC 60715	Top hat type TH35-7.5 plate or panel with fixing kit conforming to IEC 60715
Height	90 mm	90 mm	90 mm
Depth	70 mm	70 mm	70 mm
Width	130 mm	175 mm	175 mm
Net weight	0.413 kg	0.504 kg	0.512 kg
Environment
IP degree of protection	IP20 with protective cover in place	IP20 with protective cover in place	IP20 with protective cover in place
Product certifications	RCM	N/A	RCM
	IACS E10		IACS E10
	cULus		CSA
	CSA		cULus
Standards	EN/IEC 61010-2-201	EN/IEC 61131-2	EN/IEC 61010-2-201
Standards	EN/IEC 61131-2	EN/IEC 61010-2-201	EN/IEC 61131-2
electromagnetic compatibility	Electrostatic discharge immunity test – test level: 8 kV (air discharge) conforming to EN/IEC 61000-4-2	Electrostatic discharge immunity test – test level: 8 kV (air discharge) conforming to EN/IEC 61000-4-2	Electrostatic discharge immunity test – test level: 8 kV (air discharge) conforming to EN/IEC 61000-4-2
	Electrostatic discharge immunity test – test level: 6 kV (contact discharge) conforming to EN/IEC 61000-4-2	Electrostatic discharge immunity test – test level: 6 kV (contact discharge) conforming to EN/IEC 61000-4-2	Electrostatic discharge immunity test – test level: 6 kV (contact discharge) conforming to EN/IEC 61000-4-2
	Susceptibility to electromagnetic fields – test level: 10 V/m (80 MHz…3 GHz) conforming to EN/IEC 61000-4-3	Radiated radio-frequency electromagnetic field immunity test – test level: 10 V/m (80 MHz…3 GHz) conforming to EN/IEC 61000-4-3	Susceptibility to electromagnetic fields – test level: 10 V/m (80 MHz…3 GHz) conforming to EN/IEC 61000-4-3
	Magnetic field at power frequency – test level: 30 A/m conforming to EN/IEC 61000-4-8	Magnetic field at power frequency – test level: 30 A/m conforming to EN/IEC 61000-4-8	Magnetic field at power frequency – test level: 30 A/m conforming to EN/IEC 61000-4-8
	Electrical fast transient/burst immunity test – test level: 2 kV (power lines) conforming to EN/IEC 61000-4-4	Electrical fast transient/burst immunity test – test level: 2 kV (power lines) conforming to EN/IEC 61000-4-4	Electrical fast transient/burst immunity test – test level: 2 kV (power lines) conforming to EN/IEC 61000-4-4
	Electrical fast transient/burst immunity test – test level: 2 kV (relay output) conforming to EN/IEC 61000-4-4	Electrical fast transient/burst immunity test – test level: 2 kV (relay output) conforming to EN/IEC 61000-4-4	Electrical fast transient/burst immunity test – test level: 2 kV (relay output) conforming to EN/IEC 61000-4-4
	Electrical fast transient/burst immunity test – test level: 1 kV (I/O) conforming to EN/IEC 61000-4-4	Electrical fast transient/burst immunity test – test level: 1 kV (I/O) conforming to EN/IEC 61000-4-4	Electrical fast transient/burst immunity test – test level: 1 kV (I/O) conforming to EN/IEC 61000-4-4
	Electrical fast transient/burst immunity test – test level: 1 kV (serial link) conforming to EN/IEC 61000-4-4	Electrical fast transient/burst immunity test – test level: 1 kV (serial link) conforming to EN/IEC 61000-4-4	Electrical fast transient/burst immunity test – test level: 1 kV (serial link) conforming to EN/IEC 61000-4-4
	1.2/50 µs shock waves immunity test – test level: 1 kV (power lines (DC)) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 1 kV (power lines (DC)) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 1 kV (power lines (DC)) conforming to EN/IEC 61000-4-5
	1.2/50 µs shock waves immunity test – test level: 2 kV (power lines (AC)) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 2 kV (power lines (AC)) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 2 kV (power lines (AC)) conforming to EN/IEC 61000-4-5
	1.2/50 µs shock waves immunity test – test level: 2 kV (relay output) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 2 kV (relay output) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 2 kV (relay output) conforming to EN/IEC 61000-4-5
	1.2/50 µs shock waves immunity test – test level: 1 kV (I/O) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 1 kV (I/O) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 1 kV (I/O) conforming to EN/IEC 61000-4-5
	1.2/50 µs shock waves immunity test – test level: 1 kV (shielded cable) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 1 kV (shielded cable) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 1 kV (shielded cable) conforming to EN/IEC 61000-4-5
	1.2/50 µs shock waves immunity test – test level: 0.5 kV (power lines (DC)) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 0.5 kV (power lines (DC)) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 0.5 kV (power lines (DC)) conforming to EN/IEC 61000-4-5
	1.2/50 µs shock waves immunity test – test level: 1 kV (power lines (AC)) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 1 kV (power lines (AC)) conforming to EN/IEC 61000-4-5	1.2/50 µs shock waves immunity test – test level: 1 kV (power lines (AC)) conforming to EN/IEC 61000-4-5
	Conducted RF disturbances – test level: 10 V (0.15…80 MHz) conforming to EN/IEC 61000-4-6	Conducted RF disturbances – test level: 10 V (0.15…80 MHz) conforming to EN/IEC 61000-4-6	Conducted RF disturbances – test level: 10 V (0.15…80 MHz) conforming to EN/IEC 61000-4-6
	Conducted emission – test level: 79 dBμV/m QP/66 dBμV/m AV (power lines (AC)) conforming to EN/IEC 55011	Conducted emission – test level: 79 dBμV/m QP/66 dBμV/m AV (power lines (AC)) conforming to EN/IEC 55011	Conducted emission – test level: 79 dBμV/m QP/66 dBμV/m AV (power lines (AC)) conforming to EN/IEC 55011
	Conducted emission – test level: 73 dBμV/m QP/60 dBμV/m AV (power lines (AC)) conforming to EN/IEC 55011	Conducted emission – test level: 73 dBμV/m QP/60 dBμV/m AV (power lines (AC)) conforming to EN/IEC 55011	Conducted emission – test level: 73 dBμV/m QP/60 dBμV/m AV (power lines (AC)) conforming to EN/IEC 55011
	Radiated emission – test level: 40 dBμV/m QP class A (10 m) conforming to EN/IEC 55011	Radiated emission – test level: 40 dBμV/m QP class A (10 m) conforming to EN/IEC 55011	Radiated emission – test level: 40 dBμV/m QP class A (10 m) conforming to EN/IEC 55011
	Radiated emission – test level: 47 dBμV/m QP class A (10 m) conforming to EN/IEC 55011	Radiated emission – test level: 47 dBμV/m QP class A (10 m) conforming to EN/IEC 55011	Radiated emission – test level: 47 dBμV/m QP class A (10 m) conforming to EN/IEC 55011
	Electrical fast transient/burst immunity test – test level: 1 kV (Ethernet line) conforming to EN/IEC 61000-4-4		Electrical fast transient/burst immunity test – test level: 1 kV (Ethernet line) conforming to EN/IEC 61000-4-4
shock resistance	15 gn for 11 ms	15 gn for 11 ms	15 gn for 11 ms
shock resistance	30 gn for 6 ms	30 gn for 6 ms	30 gn for 6 ms
Immunity to microbreaks	10 ms	10 ms	10 ms
vibration resistance	3.5 mm at 5…8.4 Hz on symmetrical rail	3.5 mm at 5…8.4 Hz on symmetrical rail	3.5 mm at 5…8.4 Hz on symmetrical rail
	1 gn at 8.4…150 Hz on symmetrical rail	1 gn at 8.4…150 Hz on symmetrical rail	1 gn at 8.4…150 Hz on symmetrical rail
	3.5 mm at 5…8.7 Hz on panel mounting	3.5 mm at 5…8.7 Hz on panel mounting	3.5 mm at 5…8.7 Hz on panel mounting
	2 gn at 8.7…150 Hz on panel mounting	2 gn at 8.7…150 Hz on panel mounting	2 gn at 8.7…150 Hz on panel mounting
relative humidity	10…95 %, without condensation (in operation)	10…95 %, without condensation (in operation)	10…95 %, without condensation (in operation)
relative humidity	10…95 %, without condensation (in storage)	10…95 %, without condensation (in storage)	10…95 %, without condensation (in storage)
ambient air temperature for operation	0…55 °C (horizontal installation)	0…55 °C (horizontal installation)	0…55 °C (horizontal installation)
Ambient air temperature for storage	-25…70 °C	-25…70 °C	-25…70 °C
Pollution degree	<= 2	<= 2	<= 2
Operating altitude	0…2000 m	0…2000 m	0…2000 m
Storage altitude	0…3000 m	0…3000 m	0…3000 m
Packing Units
Unit Type of Package 1	PCE	PCE	PCE
Number of Units in Package 1	1	1	1
Package 1 Height	9.497 cm	9.5 cm	9.498 cm
Package 1 Width	13.655 cm	13.8 cm	13.66 cm
Package 1 Length	14.312 cm	18.5 cm	18.72 cm
Package 1 Weight	609.5 g	749.0 g	771 g
Unit Type of Package 2	S03	S03	S03
Number of Units in Package 2	12	12	12
Package 2 Height	30 cm	30.0 cm	30 cm
Package 2 Width	30 cm	30.0 cm	30 cm
Package 2 Length	40 cm	40.0 cm	40 cm
Package 2 Weight	7810 g	9.4 kg	9773 g
Unit Type of Package 3	P12	P06	P12
Number of Units in Package 3	288	96	288
Package 3 Height	95 cm	75.0 cm	95 cm
Package 3 Width	80 cm	80.0 cm	80 cm
Package 3 Length	120 cm	60.0 cm	120 cm
Package 3 Weight	196440 g	83.2 kg	243552 g