Technical Specification - ABB AC 31 Technical Manual

3.2. Technical specification

Number of I/O
- Incorporated binary inputs
- Incorporated binary outputs
- Analog potentiometers
- Maximum number of extension
units per central unit
- Maximum number of remote units
on the CS 31 bus
- Max. number of binary inputs
- Max. number of binary outputs
- Max. number of analog inputs
- Max. number of analog outputs
Interfaces
- CS 31 interface
- Interface for: Programming
®
MODBUS
or ASCII
Memory
- User program memory size:
without ONLINE
with ONLINE
- User program memory
and the constants
- Data memory
- Data backup:
Backup autonomy
Charge time under power
Page 3-8
Technical specifications
40 series
07 CR 41 07 CT 41
24 V d.c. 24 V d.c.
1 RS 232
16 000 words (typically: 8 kInstructions)
8 000 words (typically: 4 kInstructions)
Flash Eprom
SRAM
07 CR 41
120/230 V a.c.
8
6
2
6
-
104
54
48
12
no
no
-
-
50 series
07 KR 51 07 KT 51
24 V d.c. 24 V d.c.
8
6
2
6
31
1096
1046
496
136
yes
1 RS 232 / RS 485
16 000 words (typically: 8 kInstructions)
8 000 words (typically: 4 kInstructions)
Flash Eprom
SRAM
yes with battery
40 days at 25°C
100% in 12 h
1SBC 260400 R1001-b
07 KR 51
120/230 V a.c.
ABB Control - AC 31
06.99