Siemens SIMATIC Ident Compact Operating Instructions page 8

Table 3-2 SIMATIC MV420
Pin Color Signal name
H Red 24 V DC
G Blue 0 V
K violet INPUT1
D yellow OUTPUT2
L Gray/ OUTPUT3
pink
C green ASM TxD_N
B brown ASM TxD_P
A white INPUT -
COMMON
E Gray OUTPUT -
COMMON
J Black STROBE
(OUTPUT)
F pink RS232 TxD or
ASM RxD_P
M red/blue RS232 RxD or
ASM RxD_N
MV400 push-pull power cable assignment
Table 3-3 MV400 push-pull power cables with order numbers 6GF3400-1BH20 and 6GF3400-0BH15
Power interface (socket)
Port
H
G
6
Possible values
TRG
IN_OP, TRD, RDY, READ, MATCH,
N_OK, EXT_1, EXT_2, EXT_3, EXT_4
IN_OP, TRD, RDY, READ, MATCH,
N_OK, EXT_1, EXT_2, EXT_3, EXT_4
P-type inputs/outputs:
INPUT - COMMON = 0 V and
OUTPUT - COMMON = + 24 V DC
N-type inputs/outputs:
INPUT - COMMON = + 24 V DC and
OUTPUT - COMMON = 0 V
RS232 TxD, ASM RxD_P
RS232 RxD, ASM RxD_N
Wire color
Red/Orange
Black/brown
Default setting Meaning
Power supply
Power supply
TRG Trigger input
RDY Freely selectable output.
READ Freely selectable output.
TxD_N signal from ASM
interface
TxD_P signal from ASM
interface
Reference point, 0 V or
24 V for inputs.
Reference point, 0 V or
24 V for outputs.
Signal output for
connecting external
strobe lights
RS-232 TXD RS232 send line or
ASM RxD_P from ASM
interface
RS-232 RXD RS232 receive line or
ASM RxD_N from ASM
interface
Signal
24 V
0 V
SIMATIC MV420/SIMATIC MV440
A5E02370910-06, 04/2013