Rockwell-automation 1492-CM800-LD007 Field Wire Conv. Module for Modic User Manual download pdf (Page 3)

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10000021878 (Version 00)

IV. Conversion Module Wiring Diagram (Continued)

Conversion: B821-108 to 1756-IC16 with 1492-CM800-LD007

1756-IC16

1492-CABLE003X

1492-CM800-LD007

B821-108 Swing Arm

Conversion Module Installation and Application Considerations



The voltage range of the B821-108 module is 10-60V DC and the 1756-IC16 is 30-60V DC. If the input source voltage is

less than 30V DC, use the 1756-IB16.



The input delay times for the B821-108 module versus 1756-IC16 module are as follows:

B821-108 1756-IC16

a) Off-to-On Delay 2.5ms (min),11ms (max) 1ms (plus selectable filter)

b) On-to-Off Delay 2.5ms (min),11ms (max) 2ms (plus selectable filter)



The B821-108 has 4 groups (allowing 4 separate power supplies) and the 1756-IC16 has 2 groups. This module/cable

combination ties Groups 1 & 2 from the B821-108 to Group 0 on the 1756-IC16 and it ties Groups 3 & 4 from the B821-108 to

Group 1 on the 1756-IC16. Field wiring modification must be made to accommodate this if multiple supplies were used. If 4

supplies were used, 2 must be removed. NOTE: To allow for multiple supplies in this conversion, the Inputs do not map directly

to the equivalent input. For example: Input 5 on the B821-108 maps to Input 8 on the 1756-IC16, the user needs to account for

this in the controller program.



Refer to your B821-108 and 1756-IC16 Installation Manual wiring schematics and diagrams for more details.

[Reference Doc: 41170-769 (Version 03)]

3 1

166

1715

16 18

Input 5

Input 7

Input 6

Input 8

Input 1

Input 3

Input 2

Input 4

Group 1 Common

Not Used

Group 2 Common

Group 3 Common

Group 4 Common

Group 1 Supply Volt

Group 2 Supply Volt

Group 3 Supply Volt

Group 4 Supply Volt

Not Used

GND-0

IN-0

IN-1

IN-2

IN-3

IN-4

IN-5

IN-6

IN-7

IN-8

IN-9

IN-10

IN-11

IN-12

IN-13

IN-14

IN-15

Black

White

Red

Green

Orange

Blue

White/Black

Red/Black

Green/Black

Orange/Black

Blue/Black

Black/White

Red/White

Green/White

Blue/White

Black/Red

White/Red

Orange/Red

Blue/Red

Red/Green

GND-1

GND-0

GND-1



There are several key application considerations and system specifications (bottom of drawing) when

using these components (conversion module, cable and output module). Read and understand these

considerations before installation.

WARNING

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