the level of the external digital signals from the process into the internal signal level of the S7-1200 controller and
the internal signal level of the SIMATIC S7-1200 Controller into the external signal level required for the process.

Product Specifications :

Article number	6ES7223-1BH32-0XB0	6ES7223-1BL32-0XB0	6ES7223-1BL32-1XB0	6ES7223-1PH32-0XB0	6ES7223-1PL32-0XB0	6ES7223-1QH32-0XB0
	Digital I/O SM 1223, 8 DI / 8 DO	Digital I/O SM 1223, 16DI/16DO	Digital I/O SM 1223, 16DI/16DO sink	Digital I/O SM 1223, 8DI/8DO	Digital I/O SM 1223, 16DI/16DO	Digital I/O SM 1223, 8DI AC/ 8DO Rly
General information
Product type designation	SM 1223, DI 8×24 V DC, DQ 8×24 V DC	SM 1223, DI 16×24 V DC, DQ 16×24 V DC	SM 1223, DI 16×24 V DC, DO 16x 24 V DC Sink	SM 1223, DI 8×24 V DC, DQ 8x relay	SM 1223, DI 16×24 V DC, DQ 16x relay	SM 1223, DI 8×120/230 V AC, DQ 8x relay
Supply voltage
Rated value (DC)	24 V	24 V	24 V	24 V	24 V	24 V
permissible range, lower limit (DC)	20.4 V	20.4 V	20.4 V	20.4 V	20.4 V	20.4 V
permissible range, upper limit (DC)	28.8 V	28.8 V	28.8 V	28.8 V	28.8 V	28.8 V
Input current
from backplane bus 5 V DC, max.	145 mA	185 mA	185 mA	145 mA	180 mA	120 mA
Digital inputs
● from load voltage L+ (without load), max.	4 mA; per channel	4 mA; per channel	4 mA; per channel	4 mA/input 11 mA/relay	4 mA/input 11 mA/relay
output voltage / header
supply voltage of the transmitters / header
● product function / supply voltage for transmitters	Yes	Yes	Yes	Yes	Yes	Yes
Power loss
Power loss, typ.	2.5 W	4.5 W	4.5 W	5.5 W	10 W	7.5 W
Digital inputs
Number of digital inputs	8	16	16	8	16	8
● in groups of	2	2	2	2	2	4
Input characteristic curve in accordance with IEC 61131, type 1	Yes	Yes	Yes	Yes	Yes	Yes
Number of simultaneously controllable inputs
all mounting positions
— up to 40 °C, max.	8	16	16	8	16	8
horizontal installation
— up to 40 °C, max.	8	16	16	8	16	8
— up to 50 °C, max.	8	16	16	8	16	8
vertical installation
— up to 40 °C, max.	8	16	16	8	16	8
Input voltage
● Type of input voltage	DC	DC	DC	DC	DC	AC
● Rated value (DC)	24 V	24 V	24 V	24 V	24 V
● Rated value (AC)						120/230 V AC
● for signal “0”	5 V DC at 1 mA	5 V DC at 1 mA	5 V DC at 1 mA	5 V DC at 1 mA	5 V DC at 1 mA	20 V AC at 1 mA
● for signal “1”	15 V DC at 2.5 mA	15 V DC at 2.5 mA	15 V DC at 2.5 mA	15 V DC at 2.5 mA	15 V DC at 2.5 mA	79 V AC at 2.5 mA
Input current
● for signal “0”, max. (permissible quiescent current)	1 mA	1 mA	1 mA	1 mA	1 mA	1 mA
● for signal “1”, min.	2.5 mA	2.5 mA	2.5 mA	2.5 mA	2.5 mA	2.5 mA
● for signal “1”, typ.	4 mA	4 mA	4 mA	4 mA	4 mA	9 mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable	Yes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four	Yes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four	Yes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four	Yes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four	Yes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four	Yes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four
for interrupt inputs
— parameterizable	Yes	Yes	Yes	Yes	Yes	Yes
Cable length
● shielded, max.	500 m	500 m	500 m	500 m	500 m	500 m
● unshielded, max.	300 m	300 m	300 m	300 m	300 m	300 m
Digital outputs
Number of digital outputs	8	16	16; Transistor current sinking	8	16	8
● in groups of	1	1	1	2	4	4
Short-circuit protection	No; to be provided externally	No; to be provided externally	Yes; 1 to 3.5 A	No; to be provided externally	No; to be provided externally	No; to be provided externally
Limitation of inductive shutdown voltage to	L+ (-48 V)	L+ (-48 V)	Typ 45 V
Switching capacity of the outputs
● with resistive load, max.	0.5 A	0.5 A	0.5 A	2 A	2 A	2 A
● on lamp load, max.	5 W	5 W	5 W	30 W with DC, 200 W with AC	30 W with DC, 200 W with AC	30 W with DC, 200 W with AC
Output voltage
● Rated value (DC)	24 V	24 V	24 V	5 V DC to 30 V DC	5 V DC to 30 V DC	5 V DC to 30 V DC
● Rated value (AC)				5 V AC to 250 V AC	5 V AC to 250 V AC	5 V AC to 250 V AC
● for signal “0”, max.	0.1 V; with 10 kOhm load	0.1 V; with 10 kOhm load	L+ minus 0.75 V DC with 10k Load
● for signal “1”, min.	20 V DC	20 V DC	0,5 V
Output current
● for signal “1” rated value	0.5 A	0.5 A	0.5 A	2 A	2 A	2 A
● for signal “1” permissible range, max.	0.5 A	0.5 A	0.5 A	2 A	2 A	2 A
● for signal “0” residual current, max.	10 µA	10 µA	75 µA
Output delay with resistive load
● “0” to “1”, max.	50 µs	50 µs	20 µs	10 ms	10 ms	10 ms
● “1” to “0”, max.	200 µs	200 µs	350 µs	10 ms	10 ms	10 ms
Total current of the outputs (per group)
horizontal installation
— up to 50 °C, max.	4 A; Current per mass	8 A; Current per mass	8 A; Current per mass	10 A; Current per mass	8 A; Current per mass	8 A; Current per mass
Relay outputs
● Number of relay outputs				8	16	8
● Rated supply voltage of relay coil L+ (DC)				24 V	24 V	24 V
● Number of operating cycles, max.				mechanically 10 million, at rated load voltage 100 000	mechanically 10 million, at rated load voltage 100 000	mechanically 10 million, at rated load voltage 100 000
Switching capacity of contacts
— with inductive load, max.		0.5 A	0.5 A	2 A	2 A	2 A
— on lamp load, max.		5 W	5 W	30 W with DC, 200 W with AC	30 W with DC, 200 W with AC	30 W with DC, 200 W with AC
— with resistive load, max.		0.5 A	0.5 A	2 A	2 A	2 A
Cable length
● shielded, max.	500 m	500 m	500 m	500 m	500 m	500 m
● unshielded, max.	150 m	150 m	150 m	150 m	150 m	150 m
Interrupts/diagnostics/status information
Alarms
● Diagnostic alarm	Yes	Yes	Yes	Yes	Yes	Yes
Diagnostics indication LED
● for status of the inputs	Yes	Yes	Yes	Yes	Yes	Yes
● for status of the outputs	Yes	Yes	Yes	Yes	Yes	Yes
Potential separation
Potential separation digital inputs
● between the channels, in groups of	2	2	2	2	2	2
Potential separation digital outputs
● between the channels				Relays	Relays	Relays
● between the channels, in groups of	1	1	1	2	4	2
● between the channels and backplane bus	500 V AC	500 V AC	500 V AC	1 500 V AC for 1 minute	1 500 V AC for 1 minute	1 500 V AC for 1 minute
Permissible potential difference
between different circuits				750 V AC for 1 minute	750 V AC for 1 minute	750 V AC for 1 minute
Degree and class of protection
IP degree of protection	IP20	IP20	IP20	IP20	IP20	IP20
Standards, approvals, certificates
CE mark	Yes	Yes	Yes	Yes	Yes	Yes
CSA approval	Yes	Yes	Yes	Yes	Yes	Yes
UL approval	Yes	Yes	Yes	Yes	Yes	Yes
cULus	Yes	Yes	Yes	Yes	Yes	Yes
FM approval	Yes	Yes	Yes	Yes	Yes	Yes
RCM (formerly C-TICK)	Yes	Yes	Yes	Yes	Yes	Yes
KC approval	Yes	Yes	Yes	Yes	Yes	Yes
Marine approval	Yes	Yes	Yes	Yes	Yes	Yes
Ambient conditions
Free fall
● Fall height, max.	0.3 m; five times, in product package	0.3 m; five times, in product package	0.3 m; five times, in product package	0.3 m; five times, in product package	0.3 m; five times, in product package	0.3 m; five times, in product package
Ambient temperature during operation
● min.	-20 °C	-20 °C	-20 °C	-20 °C	-20 °C	-20 °C
● max.	60 °C	60 °C	60 °C	60 °C	60 °C; Number of simultaneously activated outputs: 8 (no adjacent points) at 60 °C horizontal or 50 °C vertical, 16 at 55 °C horizontal or 45 °C vertical	60 °C; Number of simultaneously activated outputs: 4 (no adjacent points) at 60 °C horizontal or 50 °C vertical, 8 at 55 °C horizontal or 45 °C vertical
● horizontal installation, min.	-20 °C	-20 °C	-20 °C	-20 °C	-20 °C	-20 °C
● horizontal installation, max.	60 °C	60 °C	60 °C	60 °C	60 °C	60 °C
● vertical installation, min.	-20 °C	-20 °C	-20 °C	-20 °C	-20 °C	-20 °C
● vertical installation, max.	50 °C	50 °C	50 °C	50 °C	50 °C	50 °C
● permissible temperature change	5°C to 55°C, 3°C / minute	5°C to 55°C, 3°C / minute	5°C to 55°C, 3°C / minute	5°C to 55°C, 3°C / minute	5°C to 55°C, 3°C / minute	5°C to 55°C, 3°C / minute
Ambient temperature during storage/transportation
● min.	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
● max.	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C
Air pressure acc. to IEC 60068-2-13
● Storage/transport, min.	660 hPa	660 hPa	660 hPa	660 hPa	660 hPa	660 hPa
● Storage/transport, max.	1 080 hPa	1 080 hPa	1 080 hPa	1 080 hPa	1 080 hPa	1 080 hPa
Relative humidity
● Operation at 25 ℃ without condensation, max.	95 %	95 %	95 %	95 %	95 %	95 %
connection method / header
required front connector	Yes	Yes	Yes	Yes	Yes	Yes
Mechanics/material
Enclosure material (front)
● Plastic	Yes	Yes	Yes	Yes	Yes	Yes
Dimensions
Width	45 mm	70 mm	70 mm	45 mm	70 mm	45 mm
Height	100 mm	100 mm	100 mm	100 mm	100 mm	100 mm
Depth	75 mm	75 mm	75 mm	75 mm	75 mm	75 mm
Weights
Weight, approx.	210 g	310 g	310 g	230 g	350 g	230 g