Order number	6ES7222-1BF32-0XB0	6ES7222-1BH32-0XB0	6ES7222-1HF32-0XB0	6ES7222-1HH32-0XB0	6ES7222-1XF32-0XB0
	DIGITAL OUTPUT SM1222, 8 DO, 24V DC	DIGITAL OUTPUT SM1222, 16 DO, 24V DC	DIGITAL OUTPUT SM 1222, 8 DO, RELAY	DIGITAL OUTPUT SM1222, 16 DO, RELAY	DIGITAL OUTPUT SM 1222, 8 DO, CHANGEOVER
Product type designation
Supply voltage
permissible range, lower limit (DC)	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
Input current
from backplane bus 5 V DC, max.	120 mA	140 mA	120 mA	135 mA	140 mA
Digital inputs
● from load voltage L+ (without load), max.			11 mA/relay coil	11 mA/relay coil	16.7 mA/relay coil
Power losses
Power loss, typ.	1.5 W	2.5 W	4.5 W	8.5 W	5 W
Digital inputs
Number of digital inputs	0	0	0	0	0
Digital outputs
Number of digital outputs	8	16	8	16	8
● In groups of	1	1	2	1	1
short-circuit protection	No; to be provided externally	No; to be provided externally	No; to be provided externally	No; to be provided externally	No; to be provided externally
Limitation of inductive shutdown voltage to	typ. (L+) -48 V	typ. (L+) -48 V
Switching capacity of the outputs
● with resistive 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
Output voltage
● Rated value (DC)	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
● for signal "1", min.	20 V DC	20 V DC
Output current
● for signal "1" rated value	0.5 A	0.5 A
● for signal "1" permissible range, max.			2 A	2 A	2 A
● for signal "0" residual current, max.	10 µA	10 µA
Output delay with resistive load
● "0" to "1", max.	50 µs	50 µs	10 ms	10 ms	10 ms
● "1" to "0", max.	200 µs	200 µs	10 ms	10 ms	10 ms
Aggregate current of outputs (per group)
horizontal installation
— up to 50 °C, max.	4 A; Current per mass	8 A; Current per mass	10 A; Current per mass	10 A; Current per mass	2 A; Current per mass
Relay outputs
● Number of relay outputs			8	16	8
● Rated input 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
● Unshielded, max.	150 m	150 m	150 m	150 m	150 m
Interrupts/diagnostics/status information
Alarms
● Alarms	Yes	Yes	Yes	Yes	Yes
● Diagnostic alarm	Yes	Yes	Yes	Yes	Yes
Diagnostic messages
● Diagnostic functions	Yes	Yes	Yes	Yes	Yes
● Monitoring the supply voltage	Yes	Yes	Yes	Yes
Diagnostics indication LED
● For status of the outputs	Yes	Yes	Yes	Yes	Yes
● for maintenance	Yes	Yes	Yes	Yes	Yes
● Status indicator digital output (green)	Yes	Yes	Yes	Yes	Yes
Galvanic isolation digital outputs
● between the channels			Relays	Relays	Relays
● between the channels, in groups of	1	1	2	4	1
● between the channels ａnd the backplane bus	500 V AC	500 V AC	1500 V AC for 1 minute	1500 V AC for 1 minute	1500 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
Degree of protection to EN 60529
● IP20	Yes	Yes	Yes	Yes	Yes
Standards, approvals, certificates
CE mark	Yes	Yes	Yes	Yes	Yes
CSA approval	Yes	Yes	Yes	Yes	Yes
cULus	Yes	Yes	Yes	Yes	Yes
FM approval	Yes	Yes	Yes	Yes	Yes
RCM (formerly C-TICK)	Yes	Yes	Yes	Yes	Yes
Marine approval
● Marine approval	Yes	Yes	Yes	Yes	Yes
Ambient conditions
Free fall
● Drop height, max. (in packaging)	0.3 m; five times, in dispatch package	0.3 m; five times, in dispatch package	0.3 m; five times, in dispatch package	0.3 m; five times, in dispatch package	0.3 m; five times, in dispatch package
Ambient temperature in operation
● Permissible temperature range	-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing	-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing	-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing	-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing	-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing
● Min.	-20 °C	-20 °C	-20 °C	-20 °C	-20 °C
● max.	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
● 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
Storage/transport temperature
● Min.	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
● max.	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
● Storage/transport, max.	1 080 hPa	1 080 hPa	1 080 hPa	1 080 hPa	1 080 hPa
Relative humidity
● Permissible range (without condensation) at 25 °C	95 %	95 %	95 %	95 %	95 %
Connection method
required front connector	Yes	Yes	Yes	Yes	Yes
Mechanics/material
Type of housing (front)
● plastic	Yes	Yes	Yes	Yes	Yes
Dimensions
Width	45 mm	45 mm	45 mm	45 mm	45 mm
Height	100 mm	100 mm	100 mm	100 mm	100 mm
Depth	75 mm	75 mm	75 mm	75 mm	75 mm
Weights
Weight, approx.	180 g	220 g	190 g	260 g	310 g