Siemens EN 50295 manual For 3RK2 400-1BQ20-0AA3 Umin = 16.5

AS-Interface Slaves

I/O modules for operation in the field

Digital I/O modules IP67 - K45

■Technical specifications

Technical specifications common to all IP67 – K45 digital I/O modules

Operational voltage in accordance	26.5 to 31.6
with AS-Interface specification in V
Polarity reversal protection U AS-	Built-in
Interface
Input connection	PNP
Inputs
• Sensor supply via AS-Interface
	Short-circuit and overload with-
	stand capability
• Sensors
	2- and 3-wire
• Voltage range in V
	20 to 30
• Current carrying capacity
	200
for all inputs
(Tu ￿40 °C) in mA
• Switching level High in V	10
• Input current Low/High in mA
	￿1.5 / ￿6
Outputs
• Type of output
	Electronics
• Short-circuit protection
	Built-in
• Inductive interference protection
	Built-in
(free-wheeling diode)
• External 24 V DC supply voltage
	Over black AS-Interface flat cable
• Watchdog
	Built-in
AS-Interface certificate	Available (or under application

6	in the case of new products)
	1) for 3RK2 400-1BQ20-0AA3 Umin = 16.5 V

Approvals	UL, CSA, marine certification
	(or under application in the case
	of new products)
Degree of protection	IP67 (IP65 for M8 snap-on con-
	nection)
Ground connection	Through PIN5 of the M12 socket
	and outgoing through a 2.8 mm
	tab connector (no earth connec-
	tion for M8 sockets)
Ambient temperature in °C	-25 to +85
Storage temperature in °C	-40 to +85
Status indications
• I/O display
	Yellow LED
• Display UAux
	Green LED
• AS-Interface/diagnostics display
	Dual LED, green/red
Connection	Using mounting plate for K45
	compact module
Note 1	All K45 compact modules are
	supplied with high-grade steel
	screws/sockets
Note 2	To supply the output circuit, an
	external supplementary supply
	(AUX POWER) of 20 to 30 V DC is
	necessary. The supplementary
	supply must comply with VDE
	0106 (PELV), Safety Class III.

	4 inputs	4 inputs	4 inputs
	Standard slaves	Standard slaves	Standard slave
	Standard assignment	Standard assignment	Standard assignment
	M12	M8 screw connection	M8 screw connection
	3RK1 200–0CQ20–0AA3	3RK1 200–0CT20–0AA3	3RK1 200–0CU20–0AA3
Total current input in mA	￿270	￿270	￿270
Socket assignment, inputs	PIN1 = Sensor supply L+	PIN1 = Sensor supply L+	PIN1 = Sensor supply L+
	PIN3 = Sensor supply L-	PIN3 = Sensor supply L-	PIN3 = Sensor supply L-
	PIN4 + 2 = Data input	PIN4 = Data input	PIN4 = Data input
	PIN5 = Ground connection
I/O configuration	0	0	0
ID/ID2 code	0/F	0/F	0/F
Assignment of data bits
• Socket 1
	PIN4/2 = IN1(D0)	PIN4 = IN1(D0)	PIN4 = IN1(D0)
• Socket 2
	PIN4/2 = IN2(D1)	PIN4 = IN2(D1)	PIN4 = IN2(D1)
• Socket 3
	PIN4/2 = IN3(D2)	PIN4 = IN3(D2)	PIN4 = IN3(D2)
• Socket 4
	PIN4/2 = IN4(D3)	PIN4 = IN4(D3)	PIN4 = IN4(D3)
Number of I/O sockets	4	4	4
	4 inputs	4 inputs	4 inputs
	A/B slave	A/B slaves	A/B slaves
	Standard assignment	Standard assignment	Standard assignment
	M12	M8 screw connection	M8 screw connection
	3RK2 200–0CQ20–0AA3	3RK2 200–0CT20–0AA3	3RK2 200–0CU20–0AA3
Total current input in mA	￿270	￿270	￿270
Socket assignment, inputs	PIN1 = Sensor supply L+	PIN1 = Sensor supply L+	PIN1 = Sensor supply L+
	PIN3 = Sensor supply L-	PIN3 = Sensor supply L-	PIN3 = Sensor supply L-
	PIN4 + 2 = Data input	PIN4 = Data input	PIN4 = Data input
	PIN5 = Ground connection
I/O configuration	0	0	0
ID/ID2 code	A/0	A/0	A/0
Assignment of data bits
• Socket 1
	PIN4/2 = IN1(D0)	PIN4 = IN1(D0)	PIN4 = IN1(D0)
• Socket 2
	PIN4/2 = IN2(D1)	PIN4 = IN2(D1)	PIN4 = IN2(D1)
• Socket 3
	PIN4/2 = IN3(D2)	PIN4 = IN3(D2)	PIN4 = IN3(D2)
• Socket 4
	PIN4/2 = IN4(D3)	PIN4 = IN4(D3)	PIN4 = IN4(D3)
Number of I/O sockets	4	4	4

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Siemens IK PI · 2004