Watlow PM LEGACY
™
Limit Controller
•
17
•
Chapter 2 Install and Wire
V+
CH
SH
CL
V-
V+
CH
SH
CL
V-
DeviceNet™ power
Positive side of DeviceNet™ bus
Shield interconnect
Negative side of DeviceNet™ bus
DeviceNet™ power return
DeviceNet™ Communications
Slot B:
PM6[L,M] _ _ J-[H,5] AAAG_ _
Slot A
Slot B
Terminal Function
Configuration
Communications
(cont.)
EtherNet/IP™ and Modbus® TCP
E8
E7
E6
E5
E4
E3
E2
E1
E8
E7
E6
E5
E4
E3
E2
E1
EtherNet/IP™ and Modbus TCP unused
EtherNet/IP™ and Modbus TCP unused
EtherNet/IP™ and Modbus TCP receive -
EtherNet/IP™ and Modbus TCP unused
EtherNet/IP™ and Modbus TCP unused
EtherNet/IP™ and Modbus TCP r
EtherNet/IP™ and Modbus TCP transmit -
EtherNet/IP™ and Modbus TCP tr
Slot B:
PM6[L,M] _ _ J-[G,3] AAAG_ _
Profibus DP Commu
nications
VP
B
A
DG
trB
B
A
trA
VP
B
A
DG
trB
B
A
trA
Voltage Potential
EIA-485 T+/R+
EIA-485 T-/R-
Digital ground (common)
Termination resistor B
EIA-485 T+/R+
EIA-485 T-/R-
Termination resistor A
Slot B:
PM6[L,M] _ _ J-[J,6] AAAG_ _
Terminal Definitions for Slot C
Slot C
Terminal Function
Configuration
Power
98
99
Power input: ac or dc+
Power input: ac or dc-
all
Standard Bus or Modbus EIA-485
CC
CA
CB
Standard Bus or Modbus RTU EIA-485 Common
Standard Bus or Modbus RTU EIA-485 T-/R-
Standard Bus or Modbus RTU EIA-485 T+/R+
Standard Bus or Modbus
PM6[L,M] _ _ J-[E,1] A_ _ G_ _
Standard Bus EIA-232/485
CF
CD
CE
Standard Bus EIA-485 common
Standard Bus EIA-485 T-/R-
Standard Bus EIA-485 T+/R+
PM _ _ _ _ _-[A, 2 or 3] _ _ _ AAA
2 - Digital I/O Points
B5
D6
D5
Digital input-output common
Digital input or output 6
Digital input or output 5
PM6[L,M] [2,4] _ J-[F,2] A_ _G_ _
Wiring (cont.)