Technical Specifications - Siemens simatic c7-621 Hardware Installation Manual

General Technical Specifications
A.1

Technical Specifications

The table contains the technical specifications of the entire unit. The data for
the I/Os can be found in the relevant chapters.
Table A-1 Technical Specifications of the C7
Characteristic
C7-621 / C7-621 ASi
Order number
Dimensions: C7
Installation
dimensions
Weight
Display C7-621 and C7-621 ASi
Keypad
P bus (C7-621)
MPI interface
C7 OP
Flash memory
(configuration memory)
C7-621 ASi CP
Bus cycle time
Connection of the AS-i cable
ASi CP current consumption
ASi CP supply voltage from the ASi
cable
C7 Power Supply
Supply voltage (U )
N
Protected against reverse-polarity
voltage
Voltage dip
(buffered)
Current consumption (I )
N
Safety
Standards
A-2
Technical Specifications
C7-621: 6ES7621-1AD00-0AE3
C7-621 ASi: 6ES7621-6BD00-0AE3
168 x 120 x 70 mm (H x W x D)
159 x 110 mm
C7-621: 1350g
C7-621 AS-i: 1390g
STN-LC display/ 2 lines of 20 characters each. 5 mm character height/ LED
backlit
Sealed keypad with metal domes
C7-621: 23 keys
Interface to S7-300 modules
Standard MPI interface
C7-621: 128 Kbytes
C7-621 AS-i: 128 Kbytes
5 ms with 31 slaves
Current load between terminals Ai+ and Ai+ maximum 4A
max. 100 mA
According to the AS-i specification
24 V DC (20.4 to 30.2 V.DC safety extra low voltage, SELV)
the C7-621 and C7-621 ASi do not have protection against high-energy
surge pulses in the µs range. For details of protection, please refer to the ma-
/70/
nual Chapter 4.
yes
20 ms
1000mA max.
DIN EN 61131-2 IEC 1131-2
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01