Справочник Пользователя для Siemens 6GK7242-7KX30-0XE0
CP 1242-7
Operating Instructions, 03/2012, C79000-G8976-C247-03
Operating Instructions, 03/2012, C79000-G8976-C247-03
83
Technical specifications
7
Table 7- 1
Technical specifications of the CP 1242-7
Technical specifications
Order number
Order number
6GK7 242-7KX30-0XE0
Wireless interface
Amount
1
Design
SMA socket
Antenna connector
Nominal impedance
50 ohms
Frequency bands
GPRS
850, 900, 1800, 1900 MHz
GSM 850, class 4
+33 dBm ±2dBm
GSM 900, class 4
+33 dBm ±2dBm
GSM 1800, class 1
+30 dBm ±2dBm
Maximum transmit power
GSM 1900, class 1
+30 dBm ±2dBm
GPRS
Properties
Multislot class 10
device class B
coding scheme 1 to 4 (GMSK)
SMS
Properties
Mode outgoing: MO
service: point-to-point
Electrical data
Power supply
24 VDC
Permitted range
19.2 ... 28.8 V
Design
Connector with terminal block, 3 terminals
Cable cross-section
Minimum
Maximum
Minimum
Maximum
0.14 mm
2
(AWG 25)
1.5 mm
2
(AWG 15)
Max- tightening torque of the screw
terminals
0.45 Nm (4 lb-in)
External power supply
Electrical isolation:
Power supply unit to internal circuit
Power supply unit to internal circuit
710 VDC for 1 minute
From 24 VDC
100 mA
Current consumption (typical)
From the S7-1200 backplane bus
0 mA
From 24 VDC
2.4 W
Effective power loss (typical)
From the S7-1200 backplane bus
0 W