Specifications

Technical Specifications Appendix A
435
EM 277 PROFIBUS--DP Module Specifications
Table A-36 EM 277 PROFIBUS--DP Module Order Number
Order Number Expansion Model EM Inputs EM Outputs Removable Connector
6ES7 277--0AA22--0XA0 EM 277 PROFIBUS--DP -- -- No
Table A-37 EM 277 PROFIBUS--DP Module General Specifications
Order Number
Module Name and
Description
Dimensions (mm)
(WxHxD)
Weight Dissipation
VDC Requirements
+5 VDC +24 VDC
6ES7 277--0AA22--0XA0 EM 277 PROFIBUS--DP 71 x 80 x 62 175 g 2.5 W 150mA See below
Table A-38 EM 277 PROFIBUS--DP Module Specifications
General 6ES 7 277--0AA22--0XA0
Number of P orts (Limited Power) 1
Electrical interface RS--485
PROFIBUS--DP/MPI baud rates
(set automatically)
9.6, 19.2, 45.45, 93.75, 187.5, and 500 kbaud; 1, 1.5, 3, 6, and
12 Mbaud
Protocols PROFIBUS--DP slave and MPI slave
Cable Length
Up to 93.75 kbaud 1200 m
187.5 kbaud 1000 m
500 kbaud 400 m
1 to 1.5 Mbaud 200 m
3 to 12 Mbaud 100 m
Network Capabilities
Station address settings 0 to 99 (set by rotary switches)
Maximum stations per segment 32
Maximum stations per network 126, up to 99 EM 277 stations
MPI Connections 6 total, 2 reserved (1 for PG and 1 for OP)
24 VDC Input Power Requirements
Voltage range 20.4 to 28.8 VDC (Class 2, Limited Power, or s ensor power from PLC)
Maximum current
Module only with port active
Add 90 mA of 5V port load
Add 120 mA of 24V port load
30 mA
60 mA
180 mA
Ripple noise (<10 MHz) <1 V peak to peak (maximum)
Isolation (field to logic)
1
500 VAC for 1 m inute
5 VDC Power on Communications Port
Maximum current per port 90 mA
Isolati on (24 VDC to logic) 500 VAC for 1 minute
24 VDC Power on Communications Port
Voltage range 20.4 to 28.8 VDC
Maximum current per port 120 mA
Current limit 0.7 to 2.4 A
Isolation Not isolated, same circuit as input 24 VDC
1
No power is s upplied to module logi c by the 24 VDC supply. 24 VDC supplies power for the communications port.