Catalog Number Explanation - Allen-Bradley 857 Quick Start Manual

Catalog Number Explanation

1
857 – 3
a
Nom Phase Current (A) / Nom DI7-28 Activation Voltage
3 1 A/5 A / 24V
6 1 A/5 A / 110V
7 1 A/5 A / 220V
Nom Earth-fault Current I/O1 and I/O2 [A]
C 1 A and 5 A
D 0.2 A and 1 A
Additional I/O (X8 Terminal)
6 None
7 Eight standard inputs, four TCS Hybrid inputs/outputs
8 Ten outputs
9 Eight standard inputs and four outputs
(1) Some options not UL Listed. Check with your Rockwell Automation® representative.
Supply Voltage [V]
A 40...265Vac/dc
B 18...36 Vdc
C 40...265Vac/dc + Arc Protection Option
D 18...36 Vdc + Arc Protection Option
E 40...265Vac/dc + DI19, DI20 + arc channel, Optional
F 18...36 Vdc + DI19, DI20 + arc channel, Optional
2 3
C 6
b c
a
b
c
(1)
d
Rockwell Automation Publication 857-QS001B-EN-P - April 2017
Position
4 5
A A
d e
Optional Hardware (Communication port 1)
Code
A TTL/RS-232 (VCM TTL)
B Plastic/Plastic serial fiber interface (VCM FIBRE PP)
C N/A
D RS-485 interface (4-wire, VCM 485-4)
Glass/Glass dual serial fiber interface for 857-RAD (857-VCMFIBRE
E
(1)
GG)
F Rx Plastic/Tx Glass serial fiber interface (VCM FIBRE PG)
G Rx Glass/Tx Plastic serial fiber interface (VCM FIBRE GP)
I RJ45 connection (RS-232, VCM 232)
M ST 100-Mbps Ethernet dual fiber interface inc. IEC 61850
N RTD glass fiber interface for 857-RAA (857-VCMRTD)
(1) Required for connection to 857-RAD Enhanced RTD Scanner. Only available in this location.
(2) Required for connection to the 857-RAA scanner only.
Optional Hardware (Communication port 2)
A None
C RJ45 connection (RS-232, 857-VCM232)
D RS-485 interface (2-wire, 857-VCM485-2)
L Built-in RJ45 10 Mbps Ethernet interface
M Built-in RJ45 10 Mbps Ethernet interface inc. IEC 61850
N RTD interface for 857-RAA (Glass fiber, 857-VCMRTD)
(1) Cannot order in combination with the following optional Communication PORT 1:
(M) ST 100-Mbps Ethernet fiber interface with IEC 61850.
(2) Required for connection to the 857-RAA scanner only.
Ingress Protection Rating
- IP30 (Standard)
I IP54 (Optional)
C Ip30 (standard case) with conformal coated boards
K IP54 (dust-tight case) with conformal coated boards
Overview Chapter 1
6 7
A –__
f g
e
Description
(2)
f
(1)
(1)
(2)
g
11